Control Valve Sizing Handbook Supplement
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8/95
Table of Contents
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27.
10000 Series 10000 Series 21000 Series 21000 Series 21000 Series 25000 Series 25000 Series 2600 Series 2600 Series 28000 Series 28000 Series 30000 Series 30000 Series 35002 Series 35002 Series 36000 Series 37002 Series 39002 Series 41000 Series 41000 Series 41000 Series 41000 Series 41000 Series 77000 Series 78200 Series 89000 Series 89000 Series
V-port Trim .......................................................... 3 Contoured Trim ................................................... 4 Contoured Trim Linear ........................................ 5 Contoured Trim Equal Percentage...................... 6 LO-DB Anti-cavitation Trim ................................. 6 Contoured Trim Linear ........................................ 7 Contoured Trim Equal Percentage...................... 8 Standard Trim Equal Percentage........................ 9 Standard Trim Linear .......................................... 9 Standard 1" Varipak ............................................ 10 Varilog Anti-cavitation 1" ..................................... 10 Standard Trim...................................................... 11 LO-DB Trim ......................................................... 12 Linear .................................................................. 13 Plug Rotation....................................................... 14 Valve Function of Capacity ................................. 14 ............................................................................ 15 ............................................................................ 16 Single Stage Linear and Equal Percentage ........ 17-18 Multi-Stage Linear ............................................... 18 LO-DB Anti-cavitation Single Stage Linear ......... 19 LO-DB Double Stage .......................................... 20 VRT Type S Linear and Modified Percentage..... 20 ............................................................................ 21 ............................................................................ 21 Combining Service .............................................. 22 Diverting Service ................................................. 23
Foreword The Masoneilan Control Valve Sizing Handbook presents equations for sizing control valves based on recognized standards. The factors that are related to specific valves are presented in this supplement to the valve sizing handbook. These factors are: Cv FL xT Kc
valve flow coefficient liquid pressure recovery factor pressure drop ratio factor coefficient of incipient cavitation
8/95
Cv, FL, xT and Kc versus Travel 10000 Series V-port Trim ANSI Class: 150 through 1500 Sizes: 2" through 16" Flow Direction: Flow passing into the seats Percent of Plug Travel
10
FL
0.96
xT Kc Valve Size (in.)
Flow Characteristics: EQUAL PERCENTAGE
20
30
40
50
60
70
0.96
0.96
0.96
0.95
0.94
0.94
0.93
0.91
0.90
0.77
0.77
0.77
0.77
0.76
0.74
0.74
0.73
0.70
0.68
0.72
0.72
0.72
0.72
0.71
0.69
0.69
0.68
0.65
0.63
Orifice Diameter (in.) Upper Travel Lower (in.)
80
90
100
Rated Cv
1.438 1.355
.8
.6
1.1
1.5
2.0
2.8
4.2
5.5
8.5
12.3
19
2.000 1.906
.8
1.4
2.8
3.8
5.3
7.2
10.5
13.9
21.6
31.2
48
1.876 1.782
1.5
1.3
2.6
3.5
4.8
6.6
9.7
12.8
19.8
28.6
44
2.625 2.531
1.5
3.3
6.6
8.8
12.1
16.5
24.2
31.9
49.5
71.5
110
2.376 2.282
1.5
2.3
4.7
6.2
8.6
11.7
17.2
22.6
35.1
50.7
78
3.500 3.406
1.5
5.8
11.7
15.6
21.4
29.2
42.9
56.5
87.7
126
195
3.500 3.406
2
5
11
14
20
27
40
52
81
117
180
5.250 5.156
2
14
27
36
50
68
99
130
202
292
450
4.626 4.531
2.5
9
18
24
33
45
66
87
135
195
300
7.000 6.875
2.5
23
45
60
83
112
165
217
337
487
750
5.250 5.156
2.5
14
28
37
51
69
101
133
207
299
460
8.750 8.625
2.5
35
70
93
127
174
255
336
522
754
1160
6.375 6.250
3.5
20
39
52
72
98
143
189
293
423
650
10.500 10.375
3.5
49
97
130
178
243
356
469
729
1053
1620
14
12.251 12.126
4
60
120
160
220
300
440
580
900
1300
2000
16
14.000 13.860
4
77
153
207
281
384
563
742
1152
1664
2560
2
3
4
6
8
10
12
8/95
Cv, FL, xT and Kc versus Travel 10000 Series Contoured Trim ANSI Class: 150 through 1500 Sizes: 2" through 12" Flow Direction: Flow passing into the seats
Flow Characteristics: LINEAR
Percent of Plug Travel
10
20
30
40
50
60
70
80
90
100
FL
0.63
0.64
0.65
0.70
0.77
0.85
0.90
0.90
0.89
0.88
xT
0.33
0.34
0.36
0.41
0.50
0.61
0.68
0.68
0.67
0.65
Kc
0.31
0.32
0.33
0.38
0.46
0.56
0.63
0.63
0.62
0.61
Valve Size (in.)
2
3
4
6
8
10
12
Orifice Diameter (in.) Upper Travel Lower (in.)
Rated Cv
1.438 1.355
.8
1.9
3.8
5.7
7.6
2.000 1.906
.8
4.8
9.6
14.4
19.2
1.876 1.782
1.5
4.4
8.8
13.2
2.625 2.531
1.5
22
2.376 2.282
1.5
7.8
3.500 3.406
1.5
3.500 3.406
11.4
13.3
15.2
17.1
19
24
28.8
33.6
38.4
43.2
48
17.6
22
26.4
30.8
35.2
39.6
44
33
44
55
66
77
88
99
15.6
23.4
31.2
39
46.8
54.6
62.4
70.2
19.5
39
58.5
78
97.5
117
136
156
175
195
2
18
36
54
72
90
108
126
144
162
180
5.250 5.156
2
45
90
135
180
225
270
315
360
405
450
4.626 4.531
2.5
30
60
90
120
150
180
210
240
270
300
7.000 6.875
2.5
75
150
225
300
375
450
525
600
675
750
5.250 5.156
2.5
46
92
138
184
230
276
322
368
414
460
8.750 8.625
2.5
116
232
348
464
580
696
812
928
1044
1160
6.375 6.250
3.5
65
130
195
260
325
390
455
520
585
650
10.500 10.375
3.5
162
324
486
648
810
972
1134
1296
1458
1620
11
9.5
110 78
8/95
Cv, FL, xT and Kc versus Travel 21000 Series Contoured Trim ANSI Class: 150 through 600 Sizes: 3/4" through 4" Percent of Plug Travel FL xT Kc
Valve Size (inches)
Orifice Diameter (inches)
.250
0.8
.375 .500 .812 1.250
0.8 0.8 0.8 0.8
.250
0.8
.375 .500 .812 1.250 1.625
0.8 0.8 0.8 0.8 0.8
11/2
3
4
10 0.93 0.73 0.68
20 0.93 0.73 0.68
30 0.92 0.71 0.66
40 0.92 0.71 0.66
Travel (inches)
3/4 & 1
2
Flow Characteristic: LINEAR
.250
0.8
.375 .500 .812 1.250 1.625 1.250 1.625 2.625 1.625 2.625 3.500
0.8 0.8 0.8 0.8 0.8 1.5 1.5 1.5 1.5 1.5 1.5
50 0.91 0.70 0.65
60 0.91 0.70 0.65
70 0.91 0.70 0.65
80 0.90 0.68 0.63
90 0.90 0.68 0.63
100 0.90 0.68 0.63
Rated Cv 0.01 0.03 0.05 0.15 0.34 0.54 1.08 1.44 0.01 0.03 0.05 0.15 0.34 0.54 1.17 2.25 3.15 0.01 0.03 0.05 0.15 0.34 0.54 1.35 2.34 4.14 2.79 4.23 9.90 4.41 10.17 17.55
0.02 0.06 0.11 0.31 0.68 1.08 2.16 2.88 0.02 0.06 0.11 0.31 0.68 1.08 2.34 4.50 6.30 0.02 0.06 0.11 0.31 0.68 1.08 2.70 4.68 8.28 5.58 8.46 19.80 8.82 20.34 35.10
0.03 0.08 0.16 0.44 0.99 1.56 3.12 4.16 0.03 0.08 0.16 0.44 0.99 1.56 3.38 6.50 9.10 0.03 0.08 0.16 0.44 0.99 1.56 3.90 6.76 11.96 8.06 12.22 28.60 12.74 29.38 50.70
0.04 0.11 0.21 0.59 1.33 2.10 4.20 5.60 0.04 0.11 0.21 0.59 1.33 2.10 4.55 8.75 12.25 0.04 0.11 0.21 0.59 1.33 2.10 5.25 9.10 16.10 10.85 16.45 38.50 17.15 39.55 68.25
0.05 0.06 0.07 0.08 0.10 0.13 0.17 0.20 0.23 0.27 0.27 0.34 0.40 0.46 0.53 0.76 0.95 1.12 1.31 1.50 1.71 2.13 2.51 2.93 3.34 2.70 3.36 3.96 4.62 5.28 5.40 6.72 7.92 9.24 10.56 7.20 8.96 10.56 12.32 14.08 0.05 0.06 0.07 0.08 0.10 0.13 0.17 0.20 0.23 0.27 0.27 0.34 0.40 0.46 0.53 0.76 0.95 1.12 1.31 1.50 1.71 2.13 2.51 2.93 3.34 2.70 3.36 3.96 4.62 5.28 5.85 7.28 8.58 10.01 11.44 11.25 14.00 16.50 19.25 22.00 15.75 19.60 23.10 26.95 30.80 0.05 0.06 0.07 0.08 0.10 0.13 0.17 0.20 0.23 0.27 0.27 0.34 0.40 0.46 0.53 0.76 0.95 1.12 1.31 1.50 1.71 2.13 2.51 2.93 3.34 2.70 3.36 3.96 4.62 5.28 6.75 8.40 9.90 11.55 13.20 11.70 14.56 17.16 20.02 22.88 20.70 25.76 30.36 35.42 40.48 13.95 17.36 20.46 23.87 27.28 21.15 26.32 30.76 38.89 41.02 49.50 61.60 72.00 84.00 96.00 22.05 27.44 32.07 37.42 42.76 50.42 63.16 74.17 86.92 99.09 87.00 109.00 128.00 150.00 171.00
0.11 0.30 0.60 1.7 3.8 6 12
16 0.11 0.30 0.60 1.7 3.8 6 13 25
35 0.11 0.30 0.60 1.7 3.8 6 15 26
46 31 47
110 49 113
195
8/95
Cv, FL, xT and Kc versus Travel 21000 Series Contoured Trim ANSI Class: 150 through 600 Sizes: 3/4" through 4" Percent of Plug Travel FL xT Kc
Valve Size (inches) 3/4 & 1
11/2
2
3
4
Orifice Diameter (inches) .375 .500 .812 .375 .500 .812 1.250 .375 .500 .812 1.250 1.625 1.250 1.625 2.625 1.625 2.625 3.500
0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1.5 1.5 1.5 1.5 1.5 1.5
FL xT Kc
3/4
&1
11/2
Orifice Diameter (inches)
Travel (inches)
1.250
0.8
1.250
0.8
1.250
0.8
2.000
0.8
3
2.625
1.5
4
3.500
1.5
2
20 0.93 0.73 0.68
30 0.93 0.73 0.68
40 0.93 0.73 0.68
Travel (inches)
LO-DB®/Anti-cavitation Trim ANSI Class: 150 through 600 Sizes: 3/4" through 4" Percent of Travel
Valve Size (inches)
10 0.93 0.73 0.68
Flow Characteristic: 50 60 70 0.93 0.92 0.92 0.73 0.71 0.71 0.68 0.66 0.66
EQUAL PERCENTAGE 80 90 100 0.91 0.91 0.90 0.70 0.70 0.68 0.65 0.65 0.63
Rated Cv 0.09 0.15 0.30 0.09 0.15 0.32 0.62 0.09 0.15 0.37 0.65 1.15 0.77 1.17 2.75 1.22 2.82 4.87
10 0.93 0.73 0.81
0.15 0.24 0.48 0.15 0.24 0.52 1.00 0.15 0.24 0.60 1.04 1.84 1.24 1.88 4.40 1.96 4.52 7.80
20 0.93 0.73 0.81
0.28 0.45 0.90 0.28 0.45 0.97 1.87 0.28 0.45 1.12 1.95 3.45 2.32 3.52 8.25 3.67 8.26 14.62
0.45 0.72 1.44 0.45 0.72 1.56 3.00 0.45 0.72 1.80 3.12 5.52 3.72 5.64 13.20 5.88 13.56 23.40
0.61 0.96 1.92 0.61 0.96 2.08 4.00 0.61 0.96 2.40 4.16 7.36 4.96 7.52 17.60 7.84 18.08 31.20
0.87 1.38 2.76 0.87 1.38 2.99 5.75 0.87 1.38 3.45 5.98 10.58 7.13 10.81 25.30 11.27 25.99 44.85
1.18 1.86 3.72 1.18 1.86 4.03 7.75 1.18 1.86 4.65 8.06 14.26 9.61 14.57 34.10 15.19 35.03 60.45
1.71 2.55 2.70 4.02 5.40 8.04 1.71 2.55 2.70 4.02 5.85 8.71 11.25 16.75 1.71 2.55 2.70 4.02 6.75 10.05 11.70 17.42 20.70 30.82 13.95 20.77 21.15 31.49 49.50 73.70 22.05 32.83 50.42 75.33 87.00 130.00
3.8 6
30 0.93 0.73 0.81
40 0.93 0.73 0.81
50 0.93 0.73 0.81
60 0.93 0.73 0.81
Flow Characteristic: LINEAR 70 80 90 100 0.93 0.93 0.93 0.93 0.73 0.73 0.73 0.73 0.81 0.81 0.81 0.81
12 3.8 6 13
25 3.8 6 15 26
46 31 47
110 49 113
195
Rated Cv 0.20 0.39 0.60 0.20 0.39 0.60 1.13 0.20 0.39 0.60 1.13 2.25 2.90 5.63 4.70 7.50
0.42 0.83 1.28 0.42 0.83 1.28 2.40 0.42 0.83 1.28 2.40 4.80 6.10 12.00 10.10 16.00
0.63 1.25 1.92 0.63 1.25 1.92 3.60 0.63 1.25 1.92 3.60 7.20 9.10 18.00 15.10 24.00
0.86 1.72 2.64 0.86 1.72 2.64 4.95 0.86 1.72 2.64 4.95 9.90 12.50 24.70 20.80 33.00
1.09 2.18 3.36 1.09 2.18 3.36 6.30 1.09 2.18 3.36 6.30 12.60 15.95 31.50 26.46 42.00
1.39 2.77 4.24 1.39 2.77 4.24 7.95 1.39 2.77 4.24 7.95 15.90 20.17 39.80 33.39 53.00
1.67 3.33 5.12 1.67 3.33 5.12 9.60 1.67 3.33 5.12 9.60 19.20 24.30 48.00 40.32 64.00
1.90 3.80 5.84 1.90 3.80 5.84 10.95 1.90 3.80 5.84 10.95 21.90 27.77 54.80 45.99 73.00
2.21 4.42 6.81 2.21 4.42 6.81 12.75 2.21 4.42 6.81 12.75 25.50 32.33 63.80 53.55 85.00
2.6 5.2
8 2.6 5.2 8
15 2.6 5.2 8 15
30 38
75 63
100
8/95
Cv, FL, xT and Kc versus Travel 25000 Series Contoured Trim Sizes 1" through 4" Flow Direction: Flow to Open
Flow Characteristic: LINEAR
Percent of Plug Travel FL xT Kc
Valve Size (inches)
1
11/2
2
3 4
Orifice Diameter (inches) .500 .500 .500 1.250 1.250 1.250 1.250 1.250 1.250 1.750 1.250 1.250 1.250 1.750 1.875 1.875 3.500 1.875 3.500 3.750
10 0.94 0.74 0.69
20 0.94 0.74 0.69
30 0.93 0.73 0.68
40 0.93 0.73 0.68
Travel (inches) 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8
50 0.92 0.71 0.66
60 0.92 0.71 0.66
70 0.91 0.70 0.65
80 0.91 0.70 0.65
90 0.90 0.68 0.63
100 0.90 0.68 0.63
0.7 1.1 1.8 2.8 5.6 10.5 2.8 5.6 10.5 26.6 2.8 5.6 10.5 26.6 38.5 38.5 84.0 38.5 84.0 136.5
0.8 1.3 2.0 3.2 6.4 12.0 3.2 6.4 12.0 30.4 3.2 6.4 12.0 30.4 44.0 44.0 96.0 44.0 96.0 156.0
0.9 1.4 2.3 3.6 7.2 13.5 3.6 7.2 13.5 34.2 3.6 7.2 13.5 34.2 49.5 49.5 108.0 49.5 108.0 175.5
1.0 1.6 2.5 4 8
Rated Cv 0.1 0.2 0.3 0.4 0.8 1.5 0.4 0.8 1.5 3.8 0.4 0.8 1.5 3.8 5.5 5.5 12.0 5.5 12.0 19.5
0.2 0.3 0.5 0.8 1.6 3.0 0.8 1.6 3.0 7.6 0.8 1.6 3.0 7.6 11.0 11.0 24.0 11.0 24.0 39.0
0.3 0.5 0.8 1.2 2.4 4.5 1.2 2.4 4.5 11.4 1.2 2.4 4.5 11.4 16.5 16.5 36.0 16.5 36.0 58.5
0.4 0.6 1.0 1.6 3.2 6.0 1.6 3.2 6.0 15.2 1.6 3.2 6.0 15.2 22.0 22.0 48.0 22.0 48.0 78.0
0.5 0.8 1.3 2.0 4.0 7.5 2.0 4.0 7.5 19.0 2.0 4.0 7.5 19.0 27.5 27.5 60.0 27.5 60.0 97.5
0.6 1.0 1.5 2.4 4.8 9.0 2.4 4.8 9.0 22.8 2.4 4.8 9.0 22.8 33.0 33.0 72.0 33.0 72.0 117.0
Note: Cv values are averaged and can vary in accordance with ISA Standard S75.11.
15 4 8 15
38 4 8 15 38
55 55
120 55 120
195
8/95
Cv, FL, xT and Kc versus Travel 25000 Series Contoured Trim Sizes 1" through 4" Flow Direction: Flow to Open
Flow Characteristic: EQUAL PERCENTAGE
Percent of Plug Travel FL xT Kc
Valve Size (inches)
1
11/2
2
3 4
Orifice Diameter (inches) .500 .500 .500 1.250 1.250 1.250 1.250 1.250 1.250 1.750 1.250 1.250 1.250 1.750 1.875 1.875 3.500 1.875 3.500 3.750
10 0.94 0.74 0.69
20 0.94 0.74 0.69
30 0.94 0.74 0.69
40 0.94 0.74 0.69
Travel (inches) 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8
50 0.94 0.74 0.69
60 0.93 0.73 0.68
70 0.92 0.71 0.66
80 0.91 0.70 0.65
90 0.91 0.70 0.65
0.31 0.50 0.78 1.24 2.48 4.65 1.24 2.48 4.65 11.78 1.24 2.48 4.65 11.78 17.05 17.05 37.20 17.05 37.20 60.45
0.45 0.67 0.72 1.07 1.13 1.68 1.80 2.68 3.60 5.36 6.75 10.05 1.80 2.68 3.60 5.36 6.75 10.05 17.10 25.46 1.80 2.68 3.60 5.36 6.75 10.05 17.10 25.46 24.75 36.85 24.75 36.85 54.00 80.40 24.75 36.85 54.00 80.40 87.75 130.65
100 0.90 0.68 0.63
Rated Cv 0.03 0.04 0.07 0.10 0.20 0.38 0.10 0.20 0.38 0.95 0.10 0.20 0.38 0.95 1.38 1.38 3.00 1.38 3.00 4.88
0.04 0.07 0.10 0.16 0.32 0.60 0.16 0.32 0.60 1.52 0.16 0.32 0.60 1.52 2.20 2.20 4.80 2.20 4.80 7.80
0.08 0.12 0.19 0.30 0.60 1.13 0.30 0.60 1.13 2.85 0.30 0.60 1.13 2.85 4.13 4.13 9.00 4.13 9.00 14.63
0.12 0.19 0.30 0.48 0.96 1.80 0.48 0.96 1.80 4.56 0.48 0.96 1.80 4.56 6.60 6.60 14.40 6.60 14.40 23.40
0.16 0.26 0.40 0.64 1.28 2.40 0.64 1.28 2.40 6.08 0.64 1.28 2.40 6.08 8.80 8.80 19.20 8.80 19.20 31.20
0.23 0.37 0.58 0.92 1.84 3.45 0.92 1.84 3.45 8.74 0.92 1.84 3.45 8.74 12.65 12.65 27.60 12.65 27.60 44.85
Note: Cv values are averaged and can vary in accordance with ISA Standard S75.11.
1.0 1.6 2.5 4 8
15 4 8 15
38 4 8 15 38
55 55
120 55 120
195
8/95
Cv, FL, xT and Kc versus Travel 2600 Series Standard Trim ANSI Class: 150 through 600 Sizes: 1/2" through 10" Flow Direction: Flow to Open/Air to Close 10 0.90 0.68 0.63
Percent of Travel FL - Flow to Open xT - Flow to Open Kc - Flow to Open
Valve Size (inches) 1
/2 /4 1 11/2 2 3 4 3
300 ANSI
6
300 ANSI 600 ANSI
8 10
Orifice Diameter (inches) .500 .625 .812 1.250 1.625 2.625 3.500 4.625 4.250 4.500 6.250 8.000
Flow Characteristic: EQUAL PERCENTAGE 20 0.90 0.68 0.63
30 0.89 0.67 0.62
40 0.89 0.67 0.62
Travel (inches) .75 .75 .75 1.50 1.50 2.50 2.50 2.50 2.50 3.00 5.00 5.00
50 0.89 0.67 0.62
60 0.87 0.64 0.59
Valve Size (inches) 1
/2 /4 1 11/2 2 3 4 3
300 ANSI
6
300 ANSI 600 ANSI
8 10
Orifice Diameter (inches) .500 .625 .812 1.250 1.625 2.625 3.500 4.625 4.250 4.500 6.250 8.000
.10 .15 .30 .62 1.15 2.75 4.87 10.00 6.87 10.00 16.00 25.00
.16 .24 .48 1.00 1.84 4.40 7.80 16.00 11.00 16.00 25.60 40.00
.30 .48 .64 .92 .45 .72 .96 1.38 .90 1.44 1.92 2.76 1.87 3.00 4.00 5.75 3.45 5.52 7.36 10.50 8.25 13.20 17.60 25.30 14.60 23.40 31.20 44.80 30.00 48.00 64.00 92.00 20.60 33.00 44.00 63.20 30.00 48.00 64.00 92.00 48.00 76.80 102.00 147.00 75.00 120.00 160.00 230.00
1.24 1.86 3.72 7.75 14.20 34.10 60.40 124.00 85.20 124.00 198.00 310.00
1.80 2.70 5.40 11.20 20.70 49.50 87.70 180.00 123.00 180.00 288.00 450.00
90 0.78 0.51 0.48
100 0.75 0.47 0.44
10 0.90 0.68 0.63
2.70 4 4.02 6 8.04 12 16.70 25 30.80 46 73.70 110 130.00 195 268.00 400 184.00 275 268.00 400 428.00 640 670.00 1000
Flow Characteristic: LINEAR 20 0.88 0.65 0.61
30 0.87 0.64 0.59
40 0.84 0.59 0.55
Travel (inches) .75 .75 .75 1.50 1.50 2.50 2.50 2.50 2.50 3.00 5.00 5.00
80 0.83 0.58 0.54
Rated Cv
Standard Trim ANSI Class: 150 through 600 Sizes: 1/2" through 10" Flow Direction: Flow to Open/Air to Close Percent of Travel FL - Flow to Open xT - Flow to Open Kc - Flow to Open
70 0.86 0.62 0.58
50 0.82 0.56 0.53
60 0.79 0.52 0.49
70 0.78 0.51 0.48
80 0.77 0.50 0.46
2.64 3.96 7.92 16.50 30.30 72.60 128.00 264.00 181.00 264.00 422.00 660.00
3.08 4.62 9.24 19.20 35.40 84.70 150.10 308.00 211.00 308.00 492.00 770.00
90 0.76 0.49 0.45
100 0.75 0.47 0.44
Rated Cv .36 .72 1.04 .54 1.08 1.56 1.08 2.16 3.12 2.25 4.50 6.50 4.14 8.28 11.90 9.90 19.80 28.60 17.50 35.10 50.70 36.00 72.00 104.00 24.70 49.50 71.50 36.00 72.00 104.00 57.60 115.00 166.00 90.00 180.00 260.00
1.40 2.10 4.20 8.75 16.10 38.50 68.20 140.00 96.20 140.00 224.00 350.00
1.80 2.70 5.40 11.20 20.70 49.50 87.70 180.00 123.00 180.00 288.00 450.00
2.24 3.36 6.72 14.00 25.70 61.60 109.00 224.00 154.00 224.00 358.00 560.00
3.52 4 5.28 6 10.56 12 22.00 25 40.40 46 96.80 110 171.00 195 352.00 400 242.00 275 352.00 400 563.00 640 880.00 1000
8/95
Cv, FL, xT and Kc versus Travel 28000 Series
Standard 1" VariPak Flow Coefficient Cv
Trim
FL
xT
Kc
No.
Min.
9
0.0016 0.002
0.0024 0.0028 0.0032 0.0036 0.004
0.85
0.61
0.56
8
0.004
0.005
0.006
0.007
0.008
0.009
0.010
0.85
0.61
0.56
7
0.010
0.013
0.016
0.019
0.021
0.023
0.025
0.85
0.61
0.56
6
0.020
0.025
0.030
0.035
0.040
0.045
0.050
0.85
0.61
0.56
5
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.85
0.61
0.56
4
0.10
0.13
0.16
0.19
0.21
0.25
0.90
0.68
0.63
3
0.25
0.30
0.35
0.40
0.45
0.50
0.55
0.60
0.90
0.68
0.63
2
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
0.92
0.71
0.66
1
0.9
1.1
1.3
1.5
1.7
1.9
2.1
2.3
0.92
0.71
0.66
0
1.5
1.9
2.3
2.6
2.9
3.2
3.5
3.8
0.92
0.71
0.66
FL
xT
Intermediate Cv
Max.
0.23
Varilog Anti-cavitation 1" (ANSI Class 1500) Flow Coefficient Cv
Trim No.
Min.
Max.
Intermediate Cv
Kc
6
0.02
0.025
0.03
0.035
0.04
0.045
0.05
0.98
0.81
0.96
5
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.98
0.81
0.96
4
0.10
0.13
0.16
0.19
0.21
0.25
0.98
0.81
0.96
3
0.25
0.30
0.35
0.40
0.45
0.98
0.81
0.96
0.23 0.50
0.55
0.60
8/95
Cv, FL, xT and Kc versus Travel 30000 Series - Standard Trim
Rated Flow Coefficient Cv Valve Size (in.)
Actuator Adjustment Flow Direction
Full Area Trim
Flashing Service Trim
2
3x2x3
3
4x3x4
4
6x4x6
6
8x6x8
8
10 x 8 x 10
10
12 x 10 x 12
12
16 x 12 x 16
16
-
A
Flow to Open Flow to Close Flow to Open Flow to Close Flow to Open Flow to Close Flow to Open Flow to Close Flow to Open Flow to Close Flow to Open Flow to Close Flow to Open Flow to Close Flow to Open Flow to Close
67 58 150 140 275 250 595 550 1100 950 1800 1600 2600 2400 4830 4460
B
C
62 53 140 130 245 225 545 510 1010 890 1670 1450 2235 2140 4150 3975
54 49 125 115 215 205 500 460 920 800 1430 1295 1875 1810 3485 3365
D①
E
45 43 110 105 185 185 435 405 805 705 1155 1110 1540 1520 2860 2825
35 35 92 92 155 160 365 355 675 620 910 935 1260 1260 2340 2340
F
G
28 29 75 79 125 140 290 315 540 545 730 785 1005 1035 1865 1925
20 21 58 60 91 105 215 240 395 420 535 610 750 805 1395 1495
① When no specific adjustment is indicated on the specification sheet, the Varimax will be delivered: Set at mid band setting or "D" adjustment and Flow to Close
Valve FL, xT, Kc
(Standard Trim - Open Position)
Flow Direction
Actuator Adjustment
Factor FL xT Kc FL xT Kc
Flow to Open
Flow to Close
A
B
C
0.77 0.50 0.46 0.79 0.52 0.49
0.80 0.54 0.50 0.81 0.55 0.51
D
0.80 0.54 0.50 0.81 0.55 0.51
0.81 0.55 0.51 0.81 0.55 0.51
E
F
0.83 0.58 0.54 0.82 0.57 0.53
0.86 0.62 0.58 0.84 0.59 0.55
G 0.89 0.67 0.62 0.85 0.61 0.56
Percent Rated Cv Versus Percentage Plug Rotation Percent Normal Rotation
Flow Direction
10
20
30
40
50
60
70
80
90
Flow to Open Flow to Close
3.0 2.5
11.0 8.0
20.0 15.5
30.0 24.0
40.5 34.0
52.0 45.0
63.0 57.0
75.0 70.5
87.0 84.5
100 100.0 100.0
8/95
Cv, FL, xT and Kc versus Travel 30000 Series - LO-DB Trim Rated Flow Coefficient Cv Actuator Adjustment Valve Size (in.)
A
B
C
D
E
Stand. High Stand. High Stand. High Stand. High Cap. Cap. Cap. Cap. Cap. Cap. Cap. Cap.
F
Stand. High Cap. Cap.
G
Stand. High Stand. High Cap. Cap. Cap. Cap.
3
55
-
50
-
44
-
39
-
33
-
28
-
22
-
4
90
-
80
-
72
-
63
-
54
-
45
-
36
-
6
210
260
190
220
170
185
145
125
105
85
8
360
435
325
370
290
310
250
215
180
145
10
620
745
560
645
495
535
435
370
310
250
12
1000
1200
900
1035
800
865
700
600
500
400
16
1750
2100
1575
1810
1400
1510
1225
1050
875
700
Valve FL, xT
(LO-DB Trim - Nominal Travel)
LO-DB Plug Standard Capacity High Capacity
Actuator Adjustment
Factor FL xT FL xT
A
B
C
D
E
F
G
0.85 0.61 0.80 0.54
0.83 0.58 0.80 0.54
0.82 0.57 0.80 0.54
0.81 0.55 0.81 0.55
0.81 0.55 0.81 0.55
0.81 0.55 0.81 0.55
0.81 0.55 0.81 0.55
Percent Rated Cv Versus Percentage Plug Rotation Flow Direction
LO-DB Trim Type
Percent Nominal Opening Actuator Adjustment
10
20
30
40
50
60
70
A
8.3
16.7
25.0
33.3
41.7
50.0
58.3
B
8.7
17.4
26.1
34.8
43.5
52.3
C
9.2
18.5
27.7
36.9
46.2
10.0
20.0
30.0
40. 0
50.0
80
90
100
72.2
86.1
100.0
61.0
71.0
85.5
100.0
55.4
64.6
73.8
84.6
100.0
60.0
70.0
80.0
90.0
100.0
D E F G
8/95
Cv, FL, xT and Kc versus Travel 35002 Series ANSI Class: 150 through 600 ** Sizes: 1" through 16" Flow Direction: Flow to Close or Flow to Open Percent of Plug Rotation Flow to Open FL Flow to Close Flow to Open xT Flow to Close Flow to Open Kc Flow to Close Valve Orifice Actuator Size Diameter Stem (in.) (in.) Travel (in.)
1
11/2
2
3
4
6
8
10
12
14
16
.321 .500 .579 .718 .503 .750 .907 1.125 .643 1.000 1.159 1.437 1.500 1.874 2.324 2.000 2.419 3.000 3.000 3.629 4.500 3.797 4.840 6.000 4.746 6.050 7.500 5.780 7.460 9.250 6.811 8.799 10.748 8.534 10.437 13.500
3.50 3.50 3.50 3.50 3.50 3.50 3.50 3.50 3.50 3.50 3.50 3.50 5.75 5.75 5.75 5.75 5.75 5.75 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 10.00 10.00 10.00
10 0.96 0.94 0.77 0.74 0.72 0.69
20 0.93 0.91 0.73 0.70 0.68 0.65
30 0.91 0.88 0.70 0.65 0.65 0.61
Flow Characteristics: LINEAR 40 0.89 0.83 0.67 0.58 0.62 0.54
50 0.88 0.80 0.65 0.54 0.61 0.50
60 0.87 0.77 0.64 0.50 0.59 0.46
70 0.87 0.74 0.64 0.46 0.59 0.43
80 0.86 0.72 0.62 0.44 0.58 0.41
90 0.86 0.70 0.62 0.41 0.58 0.38
2.2 4.2 6.4 11.0 4.8 9.0 13.7 24.0 8.0 15 23 40 40 59 96 68 99 163 147 216 355 241 372 638 369 569 975 497 767 1310 667 1030 1759 1037 1600 2732
2.4 4.8 7.2 12.0 5.2 10.0 15.5 26.0 8.8 17 26 44 45 68 113 77 115 192 168 252 418 279 423 723 426 647 1110 574 872 1490 771 1171 2001 1197 1819 3108
2.6 5.3 7.9 13.0 5.8 11.0 17.0 29.0 9.6 19 28 48 50 75 126 86 130 214 186 282 465 316 472 795 481 722 1220 648 971 1640 870 1304 2202 1352 2025 3421
100 0.85 0.68 0.61 0.39 0.56 0.36
Rated Cv * 0.2 0.4 0.6 0.8 0.4 1.0 1.3 1.8 0.6 1.6 2.1 3.0 4.9 5.7 8.1 8.3 9.7 14 18 21 30 24 32 43 36 52 72 49 70 100 66 94 134 102 146 209
0.4 0.9 1.3 2.1 0.9 1.9 2.9 4.5 1.5 3.2 4.8 7.5 9.2 12.2 18 16 21 30 34 45 65 44 61 111 68 94 169 91 126 228 122 169 306 190 263 476
0.7 1.2 1.5 1.4 2.0 2.7 2.1 3.2 4.3 3.6 5.8 7.7 1.6 2.4 3.4 3.0 4.3 5.9 4.5 6.8 9.2 7.8 12.0 17.0 2.6 4.2 5.6 5.0 7.2 9.8 7.8 11.2 15.3 13.0 21 28 14.0 20 26 19.4 28 37 31 45 61 24 34 45 33 47 63.5 53 76 104 52 74 98 72 102 138 115 165 225 71 107 148 112 179 247 200 319 434 109 164 226 172 273 378 306 488 663 147 221 305 231 368 509 411 656 893 197 297 410 310 494 684 552 881 1199 307 461 636 482 768 1062 857 1368 1863
1.9 3.5 5.4 9.5 4.0 7.6 11.6 20.0 6.8 13 19 34 33 48 78 57 81 133 124 177 290 197 311 544 302 476 832 406 641 1120 545 861 1504 847 1337 2336
* Cv values shown are for flow to open ** ANSI Class: 150-300 Size: 14" and 16" Caution: Cv values shown are based on ideal flow characteristics. Values are averaged and may vary.
2.8 5.6 8.4
14 6 12 18
30 10 20 30
50 54 81
135 92 138
230 200 300
500 340 510
850 520 780
1300 700 1050
1750 940 1410
2350 1460 2190
3650
8/95
Cv, FL, xT and Kc versus Travel 35002 Series Plug Rotation versus Signal Percent of Signal Span
0
10
20
30
40
50
60
70
80
90
100
0
3.8
7.6
12.0
16.8
22.5
29.4
39.0
54.0
74.5
100
0
10
20
30
40
50
60
70
80
90
100
Percent of Rotation Percentage Cam Percent of Rotation Linear Cam
36000 Series
Percent (%) of Max. Opening . Cv Percent (%) of Max.
10
20
30
40
50
60
70
80
90
100
1
5
8.5
15
24
34
46
60
78
100
Valve Size inches
Rated Cv
(mm)
2
(50)
1.1
5.3
8.9
15.8
3
(80)
2.5
12.5
21
38
4
(100)
5.1
26
43
77
6
(150)
10.3
52
88
155
8
(200)
18.3
92
156
275
10
(250)
29
145
247
435
12
(300)
43
213
361
638
16
(400)
63
313
531
938
25
36
48
63
82
105
60
85
115
150
195
250
122
173
235
306
398
510
247
350
474
618
803
1030
439
622
842
1098
1427
1830
696
986
1334
1740
2262
2900
1020
1445
1955
2550
3315
4250
1500
2125
2875
3750
4875
6250
Valve FL, xT, Kc as a Function of Capacity Percent (%) of Max. Cv
10
20
30
40
50
60
70
80
90
100
FL
0.88
.086
0.82
0.78
0.73
0.68
0.65
0.63
0.61
0.60
xT
0.65
0.62
0.56
0.51
0.45
0.39
0.35
0.33
0.31
0.30
Kc
0.61
0.58
0.53
0.48
0.42
0.36
0.33
0.31
0.29
0.28
8/95
Cv, FL, xT and Kc versus Travel 37002 Series
Maximum Rated Flow Coefficients (Cv) at Maximum Opening (75˚)
Valve Size (in.) 2 3 4 6 8 10 12
Cv ① 90 280 480 1330 2370 3700 5300
① Cv rating per ISA Test Procedure SP 39.2
Flow Coefficients (Cv) as a % of Maximum Opening (75˚)
% Max. Opening
10
20
30
40
50
60
70
80
90
100
% Max. Cv
1.2
2.5
5
9
14
23
34
51
72
100
60
70
80
90
100
Valve FL, xT, Kc as a Function of Capacity % Max. Cv
10
20
30
40
50
FL
0.80
0.78
0.76
0.75
0.73
0.71
0.69
0.67
0.66
0.65
xT
0.54
0.51
0.49
0.47
0.45
0.42
0.40
0.38
0.37
0.36
Kc
0.50
0.48
0.45
0.44
0.42
0.39
0.37
0.35
0.34
0.33
8/95
Cv, FL, xT and Kc versus Travel 39002 Series
Maximum Rated Flow Coefficients (Cv) at Maximum Opening (75˚) Cv Valve Size
ANSI Class 150
①
ANSI Class 300
ANSI Class 600
(in.)
(mm)
3
(80)
161
151
147
4
(100)
320
295
275
6
(150)
785
705
695
8
(200)
1465
1290
1270
10
(250)
2500
2160
1950
12
(300)
3435
2995
2765
14
(350)
4635
3855
------
16
(400)
6280
5575
------
18
(450)
8095
6570
------
20
(500)
9800
7210
------
24
(600)
14910
11430
------
① Cv rating per ISA Control Valve Capacity Test Procedure S75.02
Flow Coefficients (Cv) as a % of Maximum Opening (75˚)
% Max. Opening % Max. Cv
10
20
30
40
50
60
70
80
90
100
1
5
10
16
24
35
49
65
82
100
Valve FL, xT, Kc as a Function of Capacity
% Max. Cv
10
20
30
40
50
60
70
80
90
100
FL
0.85
0.81
0.78
0.75
0.72
0.70
0.68
0.66
0.64
0.62
xT
0.61
0.55
0.51
0.47
0.44
0.41
0.39
0.37
0.34
0.32
Kc
0.56
0.51
0.48
0.44
0.41
0.38
0.36
0.34
0.32
0.30
8/95
Cv, FL, xT and Kc versus Travel 41000 Series Standard Trim (Single Stage) Models 41311①, 41411, 41511, 41611 & 41911 Percent of Travel 10 20 30 40 50 60
70
80
90
100
0.92
0.91
0.91
0.90
0.90
0.71
0.71
0.70
0.70
0.68
0.68
0.66
0.66
0.65
0.65
0.63
0.63
12.5 30 23 56 45 115 71 184 93 305 250 495 290 770 450 1080 730 1930
14 35 26 65 51 134 81 208 119 345 310 550 370 860 570 1200 900 2150
15.5 38 29 72 59 148 93 226 142 375 365 600 440 940 680 1320 1050 2350
16 40 30 75 60 155 95 240 165 400 415 640 510 1000 770 1400 1280 2500
FL
0.94
0.94
0.93
0.93
0.92
xT
0.74
0.74
0.73
0.73
Kc
0.69
0.69
0.68
0.68
Valve Size (in.)
ANSI Class
Orifice Diameter Travel (in.) (in.)
2
900-2500
1.84
0.8
2 3 3 4 4 6 6 8 8
300,600 2500 300-1500 2500 300-1500 2500 150-1500 2500 150-1500
2.50
1.5
3.50
2.0
4.38
2.0
5.12
10
150-1500
8.00
12
150-1500
9.75
16
150-1500
13.00
0.8 2.0 1.5 2.5 1.5 3.0 2.0 3.8 2.5 5.0
6.50
Flow Characteristic: LINEAR
Rated Cv 1.4 2 2.7 4 5.4 8 9 12 6 20 15 30 20 50 30 70 30 130
2.7 4.9 5.1 8 10 17 16 32 16 54 40 85 50 130 70 180 130 335
4.2 8.3 7.9 14 16 28 25 55 26 90 75 145 80 230 140 320 230 580
6 13 11 22 23 46 36 86 42 145 110 235 130 370 200 520 298 930
8 19 15 34 30 70 47 122 58 205 145 330 180 510 270 710 410 1280
10 25 19 46 38 95 60 156 74 260 190 415 230 650 350 910 548 1630
Standard Trim (Single Stage) Models 41321①, 41421, 41521, 41621 & 41921 Flow Characteristic: EQUAL PERCENTAGE
Valve Size (in.)
Percent of Travel
10
20
30
40
50
60
70
80
90
100
FL
0.94
0.94
0.94
0.94
0.94
0.94
0.93
0.92
0.92
0.90
xT
0.74
0.74
0.74
0.74
0.74
0.74
0.73
0.71
0.71
0.68
Kc
0.69
0.69
0.69
0.69
0.69
0.69
0.68
0.66
0.66
0.63
ANSI Class
Orifice Diameter Travel (in.) (in.)
0.4 0.6 0.9 0.9 1.4 2.6 2 300,600 2.50 1.5 0.8 1.1 1.7 3 2500 1.5 2.5 5 3 300-1500 3.50 2.0 1.5 2.5 3.5 4 2500 4 6 11 4 300-1500 4.38 2.0 3 4 6 6 2500 6 9 17 6 150-1500 5.12 2.0 4 6 9 8 2500 10 15 25 8 150-1500 6.50 2.5 7 10 15 15 25 45 10 150-1500 8.00 3.0 10 15 25 20 40 70 12 150-1500 9.75 3.8 15 20 35 30 50 100 16 150-1500 13.00 5.0 30 40 60 60 90 170 ① Valve size 2"-4" only. See page 30 for valve size 6"-16". 2
900-2500
1.84
0.8
Rated Cv 1.3 4.2 2.5 8 5.5 17 9 27 14 45 22 70 35 110 50 150 90 270
2.0 5.6 3.7 10.5 8 22 13 36 20 60 32 90 50 140 70 200 130 360
2.9 8.0 5.4 15 11.5 32 19 52 30 85 48 130 75 210 105 290 190 520
4.3 10.9 8.0 20 17.5 43 28 70 44 110 71 180 110 280 155 390 280 700
6.4 9.5 14 15.8 23.5 35 11.9 17.6 26 29 44 65 25.5 38 56 63 94 140 41 61 90 101 151 225 66 97 144 160 240 360 105 155 230 260 385 575 165 245 360 410 600 900 230 340 500 570 840 1260 410 610 900 1010 1510 2250
8/95
Cv, FL, xT and Kc versus Travel 41000 Series 41300 Series (Single Stage) Model 41311 Percent of Travel
Flow Characteristic: LINEAR
10
20
30
40
50
60
70
80
90
100
FL
0.94
0.94
0.93
0.93
0.92
0.92
0.91
0.91
0.90
0.90
xT
0.74
0.74
0.73
0.73
0.71
0.71
0.70
0.70
0.68
0.68
0.69
0.69
0.68
0.68
0.66
0.66
0.65
0.65
0.63
0.63
Kc Valve Size (in.)
Orifice Diameter Travel (in.) (in.)
ANSI Class
6
150-2500
4.12
3.00
15
Rated Cv 39
69
111
153
195
231
258
282
300
8
150-2500
5.50
4.00
27
70
124
200
275
351
416
464
508
540
10
150-1500
6.60
4.00
45
117
207
333
459
585
693
728
846
900
12
150-1500
9.30
5.00
68
175
310
500
688
878
1040
116
127
1350
16
150-1500
11.50
6.00
100
260
460
740
1020
1300
1540
1720
1880
2000
41300 Series (Single Stage) Model 41321
Flow Characteristic: EQUAL PERCENTAGE
Percent of Travel
10
20
30
40
50
60
70
80
90
100
FL
0.94
0.94
0.94
0.94
0.94
0.94
0.93
0.92
0.92
0.90
xT
0.74
0.74
0.74
0.74
0.74
0.74
0.73
0.71
0.71
0.68
0.69
0.69
0.69
0.69
0.69
0.69
0.68
0.66
0.66
0.63
Kc Valve Size (in.)
Orifice Diameter Travel (in.) (in.)
ANSI Class
6
150-2500
4.12
3.0
8
11
19
27
37
56
82
122
180
265
8
150-2500
5.50
4.0
14
18
32
46
64
96
141
209
309
455
10
150-1500
6.60
4.0
23
31
54
76
107
161
237
352
520
765
12
150-1500
9.30
5.0
31
41
71
102
143
214
316
469
694
1020
16
150-1500
11.50
6.0
51
68
120
170
238
357
527
782
1155
1700
Rated Cv
VRT® Type C Multi-stage Anti-cavitation Models 41318 & 41618 Flow Direction:
Flow to Open
Flow Characteristic: LINEAR
5
Percent of Travel FL
10
20
30
40
50
60
70
80
90
100
.984 .983 .982 .982 .979 .977 .976 .974 .973 .971 .970
Kc
0.97
Orifice Min① Diameter Operable Cv (in.)
0.97 0.96 0.96 0.96 0.96 0.95 0.95 0.95 0.94 0.94
Valve Size (in.)
ANSI Class
1.50
0.5
1.5
0.5
1
2
3
2
300, 600
1.75
0.5
2.0
1.2
2.5
5
7.5
900,1500
1.50
0.6
1.5
0.5
1
2
3
3
300-1500
2.40
1.0
2.5
2.5
5
10
4
300-1500
3.40
1.4
2.5
3.5
7
14
6
150-1500
4.30
2.4
3.5
6
12
24
Travel (in.)
Rated Cv 4
5
6
7
8
9
10
10
12.5
15
17
20
22.5
25
4
5
6
7
8
9
10
15
20
25
30
35
40
45
50
21
28
35
42
49
56
63
70
36
48
60
72
84
96
108
120
① Throttling at less than minimum operable CV levels for extended period of time can result in trim damage.
8/95
Cv, FL, xT and Kc versus Travel 41000 Series
LO-DB® /Anti-cavitation (Single Stage) Models ①
Flow Characteristic: LINEAR
Percent of Travel
10
20
30
40
50
60
70
80
90
100
FL
0.94
0.94
0.94
0.94
0.94
0.94
0.94
0.94
0.94
0.94
xT
0.74
0.74
0.74
0.74
0.74
0.74
0.74
0.74
0.74
0.74
0.83
0.83
0.83
0.83
0.83
0.83
0.83
0.83
0.83
0.83
Kc
①
41412 41512 41612 41912 41413 41513 41613 41913
Valve Size (in.)
Orifice Diameter Travel (in.) (in.)
ANSI Class
2
900-2500
2
300,600
3
2500
3
300-1500
4
2500
4
300-1500
6
2500
6
150-1500
8
2500
8
150-1500
6.50
3.0
10
150-1500
8.00
3.5
12
150-1500
9.75
5.0
16
150-1500
13.00
6.0
1.84
0.8
2.50
1.5
3.50
2.0
4.38
2.0
5.12
2.5
Rated Cv 1.2 2.5 3 2.5 5 7 5 10 12 7 15 20 11 21 30 16 32 50 25 50 65 35 70 110 60 120 180
2.4 5 6 5 10 13 9 19 24 14 29 40 21 42 60 31 63 100 50 100 130 70 145 220 120 240 360
3.6 7.5 9 7.5 15 20 14 29 36 21 44 60 32 63 90 47 95 150 75 150 195 110 215 330 180 360 540
4.8 10 12 10 20 26 18 38 48 28 58 80 42 84 120 62 126 200 100 200 260 145 290 440 240 480 720
6.0 7.2 8.4 9.6 10.8 12 12.5 15 17.5 20 22.5 25 15 18 21 24 27 30 12.5 15 17.5 20 22.5 25 25 30 35 40 45 50 33 39 46 52 59 65 23 27 32 36 41 45 48 57 67 76 86 95 60 72 84 96 108 120 35 42 49 56 63 70 73 87 102 116 131 145 100 115 135 155 175 195 53 63 74 84 95 105 105 126 147 168 189 210 150 180 210 240 270 300 78 93 109 124 140 155 156 189 221 252 284 315 250 300 350 400 450 500 125 150 175 200 225 250 250 300 350 400 450 500 325 390 455 520 585 650 180 215 250 290 325 360 360 435 505 580 650 725 550 660 770 880 990 1100 300 360 420 480 540 600 600 720 840 960 1080 1200 900 1080 1260 1440 1620 1800
Where diffuser is added on high capacity trim overall Cv is reduced as much as 15%.
8/95
Cv, FL, xT and Kc versus Travel 41000 Series LO-DB® Double Stage Models 41514, 41614 & 41914 Flow Direction: Flow to Open
Flow Characteristic: LINEAR
Percent of Travel
10
20
30
40
50
60
70
80
90
100
xT
0.76
0.76
0.76
0.76
0.76
0.76
0.76
0.76
0.76
0.76
70 105 147 245 357 626
80 120 168 280 408 716
90 135 189 315 459 805
100 150 210 350 510 895
Valve Size (in.)
ANSI Class
Nominal Orifice Diameter (in.)
4 6 8 10 12 16
300-1500 150-1500 150-1500 150-1500 150-1500 150-600
3.50 4.38 5.12 6.50 8.00 9.75
Travel (in.) 2.0 2.5 3.0 3.5 5.0 6.0
Rated Cv
10 15 21 35 51 89
20 30 42 70 102 179
30 45 63 105 153 268
40 60 84 140 204 358
50 75 105 175 255 447
60 90 126 210 306 537
VRT® Type S Anti-cavitation Model 41317 Full Stack Flow Direction: Flow to Open
Flow Characteristic: LINEAR
10
Percent of Travel
20
30
40
50
60
70
80
90
100
FL
.999 .999 .999 .998 .997 .996 .994 .992 .990 .988
Kc
0.99 0.99 0.99 0.99 0.99 0.99 0.99 0.98 0.98 0.98
Orifice Min.① Diameter Operable Cv (in.)
Valve Size (in.)
ANSI Class
8
300-1500
3.12
3.0
4.0
12
24
36
10
300-1500
4.25
4.5
4.0
19
38
57
12
300-1500
5.00
4.5
4.0
27
54
81
Travel (in.)
Rated Cv
48
60
72
84
96
100
120
76
95
114
133
152
171
190
108
135
162
189
216
243
270
VRT® Type S Anti-cavitation Model 41337 Partial Stack Flow Direction: Flow to Open
Flow Characteristic: MODIFIED PERCENTAGE
10
Percent of Travel
Valve Size (in)
ANSI Class
20
30
40
50
60
70
80
90
100
FL
0.99 0.99 0.98 0.96 0.93 0.92 0.92 0.92 0.92 0.92
Kc
0.98 0.98 0.96 0.87 0.66 0.66 0.66 0.66 0.66 0.66
Min① Orifice Diameter Operable Cv (in.)
Travel (in.)
Rated Cv
4 6
300-2500
3.12
2.7
2.25
3
8
13
22
35
54
70
88
105
120
300-2500
4.12
3.0
3.0
6
13
21
35
54
82
120
160
200
240
8
300-2500
5.50
7.5
4.0
10
25
50
75
135
210
270
330
400
460
10
300-1500
7.62
9.5
4.0
20
45
75
120
200
280
375
475
590
700
12
300-1500
9.25
12.0
5.0
22
44
75
138
248
412
583
748
924 1100
16
300-1500
11.50
18.0
6.0
40
100
200
350
600
900
1150 1350 1600 1800
① Throttling at less than minimum operable CV levels for extended period of time can result in trim damage.
8/95
Cv, FL, xT and Kc versus Travel 77000 Series Flow Coefficients (Rated Cv) Trim Size Body Size Inlet x Outlet (in.)
B
A
Plug Travel (in.)
Trim Expansion Ratio
xT
Cv
Trim Expansion Ratio
Cv
2x3
1
/4
4:1
15
2:1
25
2x4
1
/4
4:1
15
2:1
25
3x3
3
/8
4:1
35
2:1
50
3x4
3
/8
4:1
35
2:1
50
3x6
3
/8
4:1
35
2:1
50
4x4
1
/2
4:1
60
2:1
80
4x6
1
/2
4:1
60
2:1
80
4x8
1
/2
4:1
60
2:1
80
6x6
1
/2
4:1
85
2:1
125
6x8
1
/2
4:1
85
2:1
125
0.76
78200/18200 Series
Flow Coefficients Rated Cv and Minimum Controllable Cv Standard Capacity Trim Size (in.)
Orifice Diameter (in.)
3 Stage Travel (in.)
C
4 Stage
Cv
FL
Min. Cont. Cv
A
6 Stage
B
C
Cv
FL
Cv
FL
Cv
A
B
C
FL
Min. Cont. Cv
Cv
FL
Cv
FL
Cv
FL
Min. Cont. Cv
1
.70
.25
2.0
.98
.05
1.0
.996
1.4
.994
1.7
.991
.04
.80
.998
1.0
.997
1.4
.994
.03
11/2
1.00
.25
3.8
.98
.10
1.9
.996
2.5
.994
3.2
.991
.08
1.4
.998
1.8
.997
2.5
.994
.05
2
1.50
.38
9.0
.98
.15
4.5
.996
6.0
.994
7.5
.991
.12
3.5
.998
4.5
.997
6.0
.994
.08
3
2.25
.62
20.0
.98
.25
10.0
.996
13.0
.994
16.5
.991
.20
7.5
.998
9.5
.997
13.0
.994
.13
4
2.88
.75
34.0
.98
.43
16.5
.996
22.0
.994
28.0
.991
.35
12.0
.998
16.0
.997
22.0
.994
.22
6
4.12
1.00
65.0
.98
.56
34.0
.996
45.0
.994
56.0
.991
.46
25.0
.998
35.0
.997
45.0
.994
.30
8
5.38
1.25
135.0
.98
1.0
70.0
.996
90.0
.994
115.0
.991
.80
50.0
.998
65.0
.997
91.0
.994
.65
8/95
Cv, FL, xT and Kc versus Travel 89000 Series Combining Service
Sizes: 1" through 6" Flow Direction: Common Port is Outlet in Combining Service
Percent of Plug Travel FL xT Kc Valve Size (inches)
Orifice Diameter (inches)
1
1.250
11/2
1.750
2
2.250
3
3.375
4
4.375
6
6.500
Plug up 0 0.90 0.68 0.63
Flow Characteristic: LINEAR
10
20
30
40
50
60
70
80
90
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
Flow Path
Plug down 100 0.90 0.68 0.63
Rated Cv
L to C
19.1
18.4
17.1
15.4
13.3
11.0
8.5
5.6
3.0
1.0
0.0
U to C
0.0
1.2
3.2
5.8
8.2
10.1
11.5
12.2
12.7
13.1
13.4
L to C
42.4
40.9
38.1
34.3
29.6
24.4
18.9
12.4
6.6
2.3
0.0
U to C
0.0
2.7
7.3
13.2
18.7
22.9
26.1
27.8
28.9
29.7
30.4
L to C
74.0
71.0
67.0
60.0
52.0
43.0
33.0
22.0
11.5
4.0
0.0
U to C
0.0
4.7
13.0
23.0
33.0
40.0
46.0
49.0
51.0
52.0
53.0
L to C
156.0
150.0
140.0
126.0
109.0
90.0
70.0
45.0
24.0
8.5
0.0
U to C
0.0
10.6
29.1
52.5
74.0
90.0
103.0
110.0
114.0
118.0
120.0
L to C
270.0
260.0
242.0
218.0
188.0
155.0
120.0
79.0
41.0
14.0
0.0
U to C
0.0
18.9
52.0
93.0
131.0
161.0
184.0
195.0
203.0
209.0
214.0
L to C
608.0
585.0
545.0
491.0
423.0
350.0
271.0
178.0
94.0
33.0
0.0
U to C
0.0
42.0
116.0
209.0
296.0
362.0
414.0
440.0
458.0
472.0
482.0
U = Upper
L = Lower
C = Common
8/95
Cv, FL, xT and Kc versus Travel 89000 Series Diverting Service
Sizes: 1" through 6" Flow Direction: Common Port is Inlet in Diverting Service
Percent of Plug Travel FL xT Kc Valve Size (inches)
Orifice Diameter (inches)
1
1.250
11/2
1.750
2
2.250
3
3.375
4
4.375
6
6.500
Plug up 0 0.90 0.68 0.63
Flow Characteristic: LINEAR
10
20
30
40
50
60
70
80
90
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
Flow Path
Plug down 100 0.90 0.68 0.63
Rated Cv
C to L
14.3
13.8
13.7
13.1
12.0
10.3
8.3
5.7
3.2
1.2
0.0
C to U
0.0
1.2
3.5
5.9
7.8
9.3
10.4
11.3
12.0
12.4
12.6
C to L
32.0
31.0
31.0
29.0
27.0
23.0
19.0
13.0
7.0
2.7
0.0
C to U
0.0
2.7
7.9
13.4
17.8
21.0
23.6
25.7
27.2
28.0
28.6
C to L
57.0
55.0
54.0
52.0
48.0
41.0
33.0
22.0
12.0
4.7
0.0
C to U
0.0
4.7
14.0
23.0
31.0
37.0
41.0
45.0
48.0
49.0
50.0
C to L
128.0
124.0
123.0
117.0
108.0
93.0
75.0
51.0
28.0
10.0
0.0
C to U
0.0
10.7
31.0
53.0
70.0
83.0
93.0
102.0
108.0
111.0
113.0
C to L
228.0
220.0
218.0
209.0
192.0
165.0
133.0
91.0
51.0
19.0
0.0
C to U
0.0
19.0
55.8
94.8
125.3
148.2
166.7
181.5
192.0
197.8
202.0
C to L
514.0
495.0
492.0
470.0
431.0
371.0
299.0
204.0
114.0
42.0
0.0
C to U
0.0
42.0
125.0
213.0
282.0
333.0
375.0
408.0
432.0
445.0
454.0
U = Upper
L = Lower
C = Common
Table of Contents
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27.
10000 Series 10000 Series 21000 Series 21000 Series 21000 Series 25000 Series 25000 Series 2600 Series 2600 Series 28000 Series 28000 Series 30000 Series 30000 Series 35002 Series 35002 Series 36000 Series 37002 Series 39002 Series 41000 Series 41000 Series 41000 Series 41000 Series 41000 Series 77000 Series 78200 Series 89000 Series 89000 Series
V-port Trim .......................................................... 3 Contoured Trim ................................................... 4 Contoured Trim Linear ........................................ 5 Contoured Trim Equal Percentage...................... 6 LO-DB Anti-cavitation Trim ................................. 6 Contoured Trim Linear ........................................ 7 Contoured Trim Equal Percentage...................... 8 Standard Trim Equal Percentage........................ 9 Standard Trim Linear .......................................... 9 Standard 1" Varipak ............................................ 10 Varilog Anti-cavitation 1" ..................................... 10 Standard Trim...................................................... 11 LO-DB Trim ......................................................... 12 Linear .................................................................. 13 Plug Rotation....................................................... 14 Valve Function of Capacity ................................. 14 ............................................................................ 15 ............................................................................ 16 Single Stage Linear and Equal Percentage ........ 17-18 Multi-Stage Linear ............................................... 18 LO-DB Anti-cavitation Single Stage Linear ......... 19 LO-DB Double Stage .......................................... 20 VRT Type S Linear and Modified Percentage..... 20 ............................................................................ 21 ............................................................................ 21 Combining Service .............................................. 22 Diverting Service ................................................. 23
Foreword The Masoneilan Control Valve Sizing Handbook presents equations for sizing control valves based on recognized standards. The factors that are related to specific valves are presented in this supplement to the valve sizing handbook. These factors are: Cv FL xT Kc
valve flow coefficient liquid pressure recovery factor pressure drop ratio factor coefficient of incipient cavitation
8/95
Cv, FL, xT and Kc versus Travel 10000 Series V-port Trim ANSI Class: 150 through 1500 Sizes: 2" through 16" Flow Direction: Flow passing into the seats Percent of Plug Travel
10
FL
0.96
xT Kc Valve Size (in.)
Flow Characteristics: EQUAL PERCENTAGE
20
30
40
50
60
70
0.96
0.96
0.96
0.95
0.94
0.94
0.93
0.91
0.90
0.77
0.77
0.77
0.77
0.76
0.74
0.74
0.73
0.70
0.68
0.72
0.72
0.72
0.72
0.71
0.69
0.69
0.68
0.65
0.63
Orifice Diameter (in.) Upper Travel Lower (in.)
80
90
100
Rated Cv
1.438 1.355
.8
.6
1.1
1.5
2.0
2.8
4.2
5.5
8.5
12.3
19
2.000 1.906
.8
1.4
2.8
3.8
5.3
7.2
10.5
13.9
21.6
31.2
48
1.876 1.782
1.5
1.3
2.6
3.5
4.8
6.6
9.7
12.8
19.8
28.6
44
2.625 2.531
1.5
3.3
6.6
8.8
12.1
16.5
24.2
31.9
49.5
71.5
110
2.376 2.282
1.5
2.3
4.7
6.2
8.6
11.7
17.2
22.6
35.1
50.7
78
3.500 3.406
1.5
5.8
11.7
15.6
21.4
29.2
42.9
56.5
87.7
126
195
3.500 3.406
2
5
11
14
20
27
40
52
81
117
180
5.250 5.156
2
14
27
36
50
68
99
130
202
292
450
4.626 4.531
2.5
9
18
24
33
45
66
87
135
195
300
7.000 6.875
2.5
23
45
60
83
112
165
217
337
487
750
5.250 5.156
2.5
14
28
37
51
69
101
133
207
299
460
8.750 8.625
2.5
35
70
93
127
174
255
336
522
754
1160
6.375 6.250
3.5
20
39
52
72
98
143
189
293
423
650
10.500 10.375
3.5
49
97
130
178
243
356
469
729
1053
1620
14
12.251 12.126
4
60
120
160
220
300
440
580
900
1300
2000
16
14.000 13.860
4
77
153
207
281
384
563
742
1152
1664
2560
2
3
4
6
8
10
12
8/95
Cv, FL, xT and Kc versus Travel 10000 Series Contoured Trim ANSI Class: 150 through 1500 Sizes: 2" through 12" Flow Direction: Flow passing into the seats
Flow Characteristics: LINEAR
Percent of Plug Travel
10
20
30
40
50
60
70
80
90
100
FL
0.63
0.64
0.65
0.70
0.77
0.85
0.90
0.90
0.89
0.88
xT
0.33
0.34
0.36
0.41
0.50
0.61
0.68
0.68
0.67
0.65
Kc
0.31
0.32
0.33
0.38
0.46
0.56
0.63
0.63
0.62
0.61
Valve Size (in.)
2
3
4
6
8
10
12
Orifice Diameter (in.) Upper Travel Lower (in.)
Rated Cv
1.438 1.355
.8
1.9
3.8
5.7
7.6
2.000 1.906
.8
4.8
9.6
14.4
19.2
1.876 1.782
1.5
4.4
8.8
13.2
2.625 2.531
1.5
22
2.376 2.282
1.5
7.8
3.500 3.406
1.5
3.500 3.406
11.4
13.3
15.2
17.1
19
24
28.8
33.6
38.4
43.2
48
17.6
22
26.4
30.8
35.2
39.6
44
33
44
55
66
77
88
99
15.6
23.4
31.2
39
46.8
54.6
62.4
70.2
19.5
39
58.5
78
97.5
117
136
156
175
195
2
18
36
54
72
90
108
126
144
162
180
5.250 5.156
2
45
90
135
180
225
270
315
360
405
450
4.626 4.531
2.5
30
60
90
120
150
180
210
240
270
300
7.000 6.875
2.5
75
150
225
300
375
450
525
600
675
750
5.250 5.156
2.5
46
92
138
184
230
276
322
368
414
460
8.750 8.625
2.5
116
232
348
464
580
696
812
928
1044
1160
6.375 6.250
3.5
65
130
195
260
325
390
455
520
585
650
10.500 10.375
3.5
162
324
486
648
810
972
1134
1296
1458
1620
11
9.5
110 78
8/95
Cv, FL, xT and Kc versus Travel 21000 Series Contoured Trim ANSI Class: 150 through 600 Sizes: 3/4" through 4" Percent of Plug Travel FL xT Kc
Valve Size (inches)
Orifice Diameter (inches)
.250
0.8
.375 .500 .812 1.250
0.8 0.8 0.8 0.8
.250
0.8
.375 .500 .812 1.250 1.625
0.8 0.8 0.8 0.8 0.8
11/2
3
4
10 0.93 0.73 0.68
20 0.93 0.73 0.68
30 0.92 0.71 0.66
40 0.92 0.71 0.66
Travel (inches)
3/4 & 1
2
Flow Characteristic: LINEAR
.250
0.8
.375 .500 .812 1.250 1.625 1.250 1.625 2.625 1.625 2.625 3.500
0.8 0.8 0.8 0.8 0.8 1.5 1.5 1.5 1.5 1.5 1.5
50 0.91 0.70 0.65
60 0.91 0.70 0.65
70 0.91 0.70 0.65
80 0.90 0.68 0.63
90 0.90 0.68 0.63
100 0.90 0.68 0.63
Rated Cv 0.01 0.03 0.05 0.15 0.34 0.54 1.08 1.44 0.01 0.03 0.05 0.15 0.34 0.54 1.17 2.25 3.15 0.01 0.03 0.05 0.15 0.34 0.54 1.35 2.34 4.14 2.79 4.23 9.90 4.41 10.17 17.55
0.02 0.06 0.11 0.31 0.68 1.08 2.16 2.88 0.02 0.06 0.11 0.31 0.68 1.08 2.34 4.50 6.30 0.02 0.06 0.11 0.31 0.68 1.08 2.70 4.68 8.28 5.58 8.46 19.80 8.82 20.34 35.10
0.03 0.08 0.16 0.44 0.99 1.56 3.12 4.16 0.03 0.08 0.16 0.44 0.99 1.56 3.38 6.50 9.10 0.03 0.08 0.16 0.44 0.99 1.56 3.90 6.76 11.96 8.06 12.22 28.60 12.74 29.38 50.70
0.04 0.11 0.21 0.59 1.33 2.10 4.20 5.60 0.04 0.11 0.21 0.59 1.33 2.10 4.55 8.75 12.25 0.04 0.11 0.21 0.59 1.33 2.10 5.25 9.10 16.10 10.85 16.45 38.50 17.15 39.55 68.25
0.05 0.06 0.07 0.08 0.10 0.13 0.17 0.20 0.23 0.27 0.27 0.34 0.40 0.46 0.53 0.76 0.95 1.12 1.31 1.50 1.71 2.13 2.51 2.93 3.34 2.70 3.36 3.96 4.62 5.28 5.40 6.72 7.92 9.24 10.56 7.20 8.96 10.56 12.32 14.08 0.05 0.06 0.07 0.08 0.10 0.13 0.17 0.20 0.23 0.27 0.27 0.34 0.40 0.46 0.53 0.76 0.95 1.12 1.31 1.50 1.71 2.13 2.51 2.93 3.34 2.70 3.36 3.96 4.62 5.28 5.85 7.28 8.58 10.01 11.44 11.25 14.00 16.50 19.25 22.00 15.75 19.60 23.10 26.95 30.80 0.05 0.06 0.07 0.08 0.10 0.13 0.17 0.20 0.23 0.27 0.27 0.34 0.40 0.46 0.53 0.76 0.95 1.12 1.31 1.50 1.71 2.13 2.51 2.93 3.34 2.70 3.36 3.96 4.62 5.28 6.75 8.40 9.90 11.55 13.20 11.70 14.56 17.16 20.02 22.88 20.70 25.76 30.36 35.42 40.48 13.95 17.36 20.46 23.87 27.28 21.15 26.32 30.76 38.89 41.02 49.50 61.60 72.00 84.00 96.00 22.05 27.44 32.07 37.42 42.76 50.42 63.16 74.17 86.92 99.09 87.00 109.00 128.00 150.00 171.00
0.11 0.30 0.60 1.7 3.8 6 12
16 0.11 0.30 0.60 1.7 3.8 6 13 25
35 0.11 0.30 0.60 1.7 3.8 6 15 26
46 31 47
110 49 113
195
8/95
Cv, FL, xT and Kc versus Travel 21000 Series Contoured Trim ANSI Class: 150 through 600 Sizes: 3/4" through 4" Percent of Plug Travel FL xT Kc
Valve Size (inches) 3/4 & 1
11/2
2
3
4
Orifice Diameter (inches) .375 .500 .812 .375 .500 .812 1.250 .375 .500 .812 1.250 1.625 1.250 1.625 2.625 1.625 2.625 3.500
0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1.5 1.5 1.5 1.5 1.5 1.5
FL xT Kc
3/4
&1
11/2
Orifice Diameter (inches)
Travel (inches)
1.250
0.8
1.250
0.8
1.250
0.8
2.000
0.8
3
2.625
1.5
4
3.500
1.5
2
20 0.93 0.73 0.68
30 0.93 0.73 0.68
40 0.93 0.73 0.68
Travel (inches)
LO-DB®/Anti-cavitation Trim ANSI Class: 150 through 600 Sizes: 3/4" through 4" Percent of Travel
Valve Size (inches)
10 0.93 0.73 0.68
Flow Characteristic: 50 60 70 0.93 0.92 0.92 0.73 0.71 0.71 0.68 0.66 0.66
EQUAL PERCENTAGE 80 90 100 0.91 0.91 0.90 0.70 0.70 0.68 0.65 0.65 0.63
Rated Cv 0.09 0.15 0.30 0.09 0.15 0.32 0.62 0.09 0.15 0.37 0.65 1.15 0.77 1.17 2.75 1.22 2.82 4.87
10 0.93 0.73 0.81
0.15 0.24 0.48 0.15 0.24 0.52 1.00 0.15 0.24 0.60 1.04 1.84 1.24 1.88 4.40 1.96 4.52 7.80
20 0.93 0.73 0.81
0.28 0.45 0.90 0.28 0.45 0.97 1.87 0.28 0.45 1.12 1.95 3.45 2.32 3.52 8.25 3.67 8.26 14.62
0.45 0.72 1.44 0.45 0.72 1.56 3.00 0.45 0.72 1.80 3.12 5.52 3.72 5.64 13.20 5.88 13.56 23.40
0.61 0.96 1.92 0.61 0.96 2.08 4.00 0.61 0.96 2.40 4.16 7.36 4.96 7.52 17.60 7.84 18.08 31.20
0.87 1.38 2.76 0.87 1.38 2.99 5.75 0.87 1.38 3.45 5.98 10.58 7.13 10.81 25.30 11.27 25.99 44.85
1.18 1.86 3.72 1.18 1.86 4.03 7.75 1.18 1.86 4.65 8.06 14.26 9.61 14.57 34.10 15.19 35.03 60.45
1.71 2.55 2.70 4.02 5.40 8.04 1.71 2.55 2.70 4.02 5.85 8.71 11.25 16.75 1.71 2.55 2.70 4.02 6.75 10.05 11.70 17.42 20.70 30.82 13.95 20.77 21.15 31.49 49.50 73.70 22.05 32.83 50.42 75.33 87.00 130.00
3.8 6
30 0.93 0.73 0.81
40 0.93 0.73 0.81
50 0.93 0.73 0.81
60 0.93 0.73 0.81
Flow Characteristic: LINEAR 70 80 90 100 0.93 0.93 0.93 0.93 0.73 0.73 0.73 0.73 0.81 0.81 0.81 0.81
12 3.8 6 13
25 3.8 6 15 26
46 31 47
110 49 113
195
Rated Cv 0.20 0.39 0.60 0.20 0.39 0.60 1.13 0.20 0.39 0.60 1.13 2.25 2.90 5.63 4.70 7.50
0.42 0.83 1.28 0.42 0.83 1.28 2.40 0.42 0.83 1.28 2.40 4.80 6.10 12.00 10.10 16.00
0.63 1.25 1.92 0.63 1.25 1.92 3.60 0.63 1.25 1.92 3.60 7.20 9.10 18.00 15.10 24.00
0.86 1.72 2.64 0.86 1.72 2.64 4.95 0.86 1.72 2.64 4.95 9.90 12.50 24.70 20.80 33.00
1.09 2.18 3.36 1.09 2.18 3.36 6.30 1.09 2.18 3.36 6.30 12.60 15.95 31.50 26.46 42.00
1.39 2.77 4.24 1.39 2.77 4.24 7.95 1.39 2.77 4.24 7.95 15.90 20.17 39.80 33.39 53.00
1.67 3.33 5.12 1.67 3.33 5.12 9.60 1.67 3.33 5.12 9.60 19.20 24.30 48.00 40.32 64.00
1.90 3.80 5.84 1.90 3.80 5.84 10.95 1.90 3.80 5.84 10.95 21.90 27.77 54.80 45.99 73.00
2.21 4.42 6.81 2.21 4.42 6.81 12.75 2.21 4.42 6.81 12.75 25.50 32.33 63.80 53.55 85.00
2.6 5.2
8 2.6 5.2 8
15 2.6 5.2 8 15
30 38
75 63
100
8/95
Cv, FL, xT and Kc versus Travel 25000 Series Contoured Trim Sizes 1" through 4" Flow Direction: Flow to Open
Flow Characteristic: LINEAR
Percent of Plug Travel FL xT Kc
Valve Size (inches)
1
11/2
2
3 4
Orifice Diameter (inches) .500 .500 .500 1.250 1.250 1.250 1.250 1.250 1.250 1.750 1.250 1.250 1.250 1.750 1.875 1.875 3.500 1.875 3.500 3.750
10 0.94 0.74 0.69
20 0.94 0.74 0.69
30 0.93 0.73 0.68
40 0.93 0.73 0.68
Travel (inches) 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8
50 0.92 0.71 0.66
60 0.92 0.71 0.66
70 0.91 0.70 0.65
80 0.91 0.70 0.65
90 0.90 0.68 0.63
100 0.90 0.68 0.63
0.7 1.1 1.8 2.8 5.6 10.5 2.8 5.6 10.5 26.6 2.8 5.6 10.5 26.6 38.5 38.5 84.0 38.5 84.0 136.5
0.8 1.3 2.0 3.2 6.4 12.0 3.2 6.4 12.0 30.4 3.2 6.4 12.0 30.4 44.0 44.0 96.0 44.0 96.0 156.0
0.9 1.4 2.3 3.6 7.2 13.5 3.6 7.2 13.5 34.2 3.6 7.2 13.5 34.2 49.5 49.5 108.0 49.5 108.0 175.5
1.0 1.6 2.5 4 8
Rated Cv 0.1 0.2 0.3 0.4 0.8 1.5 0.4 0.8 1.5 3.8 0.4 0.8 1.5 3.8 5.5 5.5 12.0 5.5 12.0 19.5
0.2 0.3 0.5 0.8 1.6 3.0 0.8 1.6 3.0 7.6 0.8 1.6 3.0 7.6 11.0 11.0 24.0 11.0 24.0 39.0
0.3 0.5 0.8 1.2 2.4 4.5 1.2 2.4 4.5 11.4 1.2 2.4 4.5 11.4 16.5 16.5 36.0 16.5 36.0 58.5
0.4 0.6 1.0 1.6 3.2 6.0 1.6 3.2 6.0 15.2 1.6 3.2 6.0 15.2 22.0 22.0 48.0 22.0 48.0 78.0
0.5 0.8 1.3 2.0 4.0 7.5 2.0 4.0 7.5 19.0 2.0 4.0 7.5 19.0 27.5 27.5 60.0 27.5 60.0 97.5
0.6 1.0 1.5 2.4 4.8 9.0 2.4 4.8 9.0 22.8 2.4 4.8 9.0 22.8 33.0 33.0 72.0 33.0 72.0 117.0
Note: Cv values are averaged and can vary in accordance with ISA Standard S75.11.
15 4 8 15
38 4 8 15 38
55 55
120 55 120
195
8/95
Cv, FL, xT and Kc versus Travel 25000 Series Contoured Trim Sizes 1" through 4" Flow Direction: Flow to Open
Flow Characteristic: EQUAL PERCENTAGE
Percent of Plug Travel FL xT Kc
Valve Size (inches)
1
11/2
2
3 4
Orifice Diameter (inches) .500 .500 .500 1.250 1.250 1.250 1.250 1.250 1.250 1.750 1.250 1.250 1.250 1.750 1.875 1.875 3.500 1.875 3.500 3.750
10 0.94 0.74 0.69
20 0.94 0.74 0.69
30 0.94 0.74 0.69
40 0.94 0.74 0.69
Travel (inches) 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8
50 0.94 0.74 0.69
60 0.93 0.73 0.68
70 0.92 0.71 0.66
80 0.91 0.70 0.65
90 0.91 0.70 0.65
0.31 0.50 0.78 1.24 2.48 4.65 1.24 2.48 4.65 11.78 1.24 2.48 4.65 11.78 17.05 17.05 37.20 17.05 37.20 60.45
0.45 0.67 0.72 1.07 1.13 1.68 1.80 2.68 3.60 5.36 6.75 10.05 1.80 2.68 3.60 5.36 6.75 10.05 17.10 25.46 1.80 2.68 3.60 5.36 6.75 10.05 17.10 25.46 24.75 36.85 24.75 36.85 54.00 80.40 24.75 36.85 54.00 80.40 87.75 130.65
100 0.90 0.68 0.63
Rated Cv 0.03 0.04 0.07 0.10 0.20 0.38 0.10 0.20 0.38 0.95 0.10 0.20 0.38 0.95 1.38 1.38 3.00 1.38 3.00 4.88
0.04 0.07 0.10 0.16 0.32 0.60 0.16 0.32 0.60 1.52 0.16 0.32 0.60 1.52 2.20 2.20 4.80 2.20 4.80 7.80
0.08 0.12 0.19 0.30 0.60 1.13 0.30 0.60 1.13 2.85 0.30 0.60 1.13 2.85 4.13 4.13 9.00 4.13 9.00 14.63
0.12 0.19 0.30 0.48 0.96 1.80 0.48 0.96 1.80 4.56 0.48 0.96 1.80 4.56 6.60 6.60 14.40 6.60 14.40 23.40
0.16 0.26 0.40 0.64 1.28 2.40 0.64 1.28 2.40 6.08 0.64 1.28 2.40 6.08 8.80 8.80 19.20 8.80 19.20 31.20
0.23 0.37 0.58 0.92 1.84 3.45 0.92 1.84 3.45 8.74 0.92 1.84 3.45 8.74 12.65 12.65 27.60 12.65 27.60 44.85
Note: Cv values are averaged and can vary in accordance with ISA Standard S75.11.
1.0 1.6 2.5 4 8
15 4 8 15
38 4 8 15 38
55 55
120 55 120
195
8/95
Cv, FL, xT and Kc versus Travel 2600 Series Standard Trim ANSI Class: 150 through 600 Sizes: 1/2" through 10" Flow Direction: Flow to Open/Air to Close 10 0.90 0.68 0.63
Percent of Travel FL - Flow to Open xT - Flow to Open Kc - Flow to Open
Valve Size (inches) 1
/2 /4 1 11/2 2 3 4 3
300 ANSI
6
300 ANSI 600 ANSI
8 10
Orifice Diameter (inches) .500 .625 .812 1.250 1.625 2.625 3.500 4.625 4.250 4.500 6.250 8.000
Flow Characteristic: EQUAL PERCENTAGE 20 0.90 0.68 0.63
30 0.89 0.67 0.62
40 0.89 0.67 0.62
Travel (inches) .75 .75 .75 1.50 1.50 2.50 2.50 2.50 2.50 3.00 5.00 5.00
50 0.89 0.67 0.62
60 0.87 0.64 0.59
Valve Size (inches) 1
/2 /4 1 11/2 2 3 4 3
300 ANSI
6
300 ANSI 600 ANSI
8 10
Orifice Diameter (inches) .500 .625 .812 1.250 1.625 2.625 3.500 4.625 4.250 4.500 6.250 8.000
.10 .15 .30 .62 1.15 2.75 4.87 10.00 6.87 10.00 16.00 25.00
.16 .24 .48 1.00 1.84 4.40 7.80 16.00 11.00 16.00 25.60 40.00
.30 .48 .64 .92 .45 .72 .96 1.38 .90 1.44 1.92 2.76 1.87 3.00 4.00 5.75 3.45 5.52 7.36 10.50 8.25 13.20 17.60 25.30 14.60 23.40 31.20 44.80 30.00 48.00 64.00 92.00 20.60 33.00 44.00 63.20 30.00 48.00 64.00 92.00 48.00 76.80 102.00 147.00 75.00 120.00 160.00 230.00
1.24 1.86 3.72 7.75 14.20 34.10 60.40 124.00 85.20 124.00 198.00 310.00
1.80 2.70 5.40 11.20 20.70 49.50 87.70 180.00 123.00 180.00 288.00 450.00
90 0.78 0.51 0.48
100 0.75 0.47 0.44
10 0.90 0.68 0.63
2.70 4 4.02 6 8.04 12 16.70 25 30.80 46 73.70 110 130.00 195 268.00 400 184.00 275 268.00 400 428.00 640 670.00 1000
Flow Characteristic: LINEAR 20 0.88 0.65 0.61
30 0.87 0.64 0.59
40 0.84 0.59 0.55
Travel (inches) .75 .75 .75 1.50 1.50 2.50 2.50 2.50 2.50 3.00 5.00 5.00
80 0.83 0.58 0.54
Rated Cv
Standard Trim ANSI Class: 150 through 600 Sizes: 1/2" through 10" Flow Direction: Flow to Open/Air to Close Percent of Travel FL - Flow to Open xT - Flow to Open Kc - Flow to Open
70 0.86 0.62 0.58
50 0.82 0.56 0.53
60 0.79 0.52 0.49
70 0.78 0.51 0.48
80 0.77 0.50 0.46
2.64 3.96 7.92 16.50 30.30 72.60 128.00 264.00 181.00 264.00 422.00 660.00
3.08 4.62 9.24 19.20 35.40 84.70 150.10 308.00 211.00 308.00 492.00 770.00
90 0.76 0.49 0.45
100 0.75 0.47 0.44
Rated Cv .36 .72 1.04 .54 1.08 1.56 1.08 2.16 3.12 2.25 4.50 6.50 4.14 8.28 11.90 9.90 19.80 28.60 17.50 35.10 50.70 36.00 72.00 104.00 24.70 49.50 71.50 36.00 72.00 104.00 57.60 115.00 166.00 90.00 180.00 260.00
1.40 2.10 4.20 8.75 16.10 38.50 68.20 140.00 96.20 140.00 224.00 350.00
1.80 2.70 5.40 11.20 20.70 49.50 87.70 180.00 123.00 180.00 288.00 450.00
2.24 3.36 6.72 14.00 25.70 61.60 109.00 224.00 154.00 224.00 358.00 560.00
3.52 4 5.28 6 10.56 12 22.00 25 40.40 46 96.80 110 171.00 195 352.00 400 242.00 275 352.00 400 563.00 640 880.00 1000
8/95
Cv, FL, xT and Kc versus Travel 28000 Series
Standard 1" VariPak Flow Coefficient Cv
Trim
FL
xT
Kc
No.
Min.
9
0.0016 0.002
0.0024 0.0028 0.0032 0.0036 0.004
0.85
0.61
0.56
8
0.004
0.005
0.006
0.007
0.008
0.009
0.010
0.85
0.61
0.56
7
0.010
0.013
0.016
0.019
0.021
0.023
0.025
0.85
0.61
0.56
6
0.020
0.025
0.030
0.035
0.040
0.045
0.050
0.85
0.61
0.56
5
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.85
0.61
0.56
4
0.10
0.13
0.16
0.19
0.21
0.25
0.90
0.68
0.63
3
0.25
0.30
0.35
0.40
0.45
0.50
0.55
0.60
0.90
0.68
0.63
2
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
0.92
0.71
0.66
1
0.9
1.1
1.3
1.5
1.7
1.9
2.1
2.3
0.92
0.71
0.66
0
1.5
1.9
2.3
2.6
2.9
3.2
3.5
3.8
0.92
0.71
0.66
FL
xT
Intermediate Cv
Max.
0.23
Varilog Anti-cavitation 1" (ANSI Class 1500) Flow Coefficient Cv
Trim No.
Min.
Max.
Intermediate Cv
Kc
6
0.02
0.025
0.03
0.035
0.04
0.045
0.05
0.98
0.81
0.96
5
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.98
0.81
0.96
4
0.10
0.13
0.16
0.19
0.21
0.25
0.98
0.81
0.96
3
0.25
0.30
0.35
0.40
0.45
0.98
0.81
0.96
0.23 0.50
0.55
0.60
8/95
Cv, FL, xT and Kc versus Travel 30000 Series - Standard Trim
Rated Flow Coefficient Cv Valve Size (in.)
Actuator Adjustment Flow Direction
Full Area Trim
Flashing Service Trim
2
3x2x3
3
4x3x4
4
6x4x6
6
8x6x8
8
10 x 8 x 10
10
12 x 10 x 12
12
16 x 12 x 16
16
-
A
Flow to Open Flow to Close Flow to Open Flow to Close Flow to Open Flow to Close Flow to Open Flow to Close Flow to Open Flow to Close Flow to Open Flow to Close Flow to Open Flow to Close Flow to Open Flow to Close
67 58 150 140 275 250 595 550 1100 950 1800 1600 2600 2400 4830 4460
B
C
62 53 140 130 245 225 545 510 1010 890 1670 1450 2235 2140 4150 3975
54 49 125 115 215 205 500 460 920 800 1430 1295 1875 1810 3485 3365
D①
E
45 43 110 105 185 185 435 405 805 705 1155 1110 1540 1520 2860 2825
35 35 92 92 155 160 365 355 675 620 910 935 1260 1260 2340 2340
F
G
28 29 75 79 125 140 290 315 540 545 730 785 1005 1035 1865 1925
20 21 58 60 91 105 215 240 395 420 535 610 750 805 1395 1495
① When no specific adjustment is indicated on the specification sheet, the Varimax will be delivered: Set at mid band setting or "D" adjustment and Flow to Close
Valve FL, xT, Kc
(Standard Trim - Open Position)
Flow Direction
Actuator Adjustment
Factor FL xT Kc FL xT Kc
Flow to Open
Flow to Close
A
B
C
0.77 0.50 0.46 0.79 0.52 0.49
0.80 0.54 0.50 0.81 0.55 0.51
D
0.80 0.54 0.50 0.81 0.55 0.51
0.81 0.55 0.51 0.81 0.55 0.51
E
F
0.83 0.58 0.54 0.82 0.57 0.53
0.86 0.62 0.58 0.84 0.59 0.55
G 0.89 0.67 0.62 0.85 0.61 0.56
Percent Rated Cv Versus Percentage Plug Rotation Percent Normal Rotation
Flow Direction
10
20
30
40
50
60
70
80
90
Flow to Open Flow to Close
3.0 2.5
11.0 8.0
20.0 15.5
30.0 24.0
40.5 34.0
52.0 45.0
63.0 57.0
75.0 70.5
87.0 84.5
100 100.0 100.0
8/95
Cv, FL, xT and Kc versus Travel 30000 Series - LO-DB Trim Rated Flow Coefficient Cv Actuator Adjustment Valve Size (in.)
A
B
C
D
E
Stand. High Stand. High Stand. High Stand. High Cap. Cap. Cap. Cap. Cap. Cap. Cap. Cap.
F
Stand. High Cap. Cap.
G
Stand. High Stand. High Cap. Cap. Cap. Cap.
3
55
-
50
-
44
-
39
-
33
-
28
-
22
-
4
90
-
80
-
72
-
63
-
54
-
45
-
36
-
6
210
260
190
220
170
185
145
125
105
85
8
360
435
325
370
290
310
250
215
180
145
10
620
745
560
645
495
535
435
370
310
250
12
1000
1200
900
1035
800
865
700
600
500
400
16
1750
2100
1575
1810
1400
1510
1225
1050
875
700
Valve FL, xT
(LO-DB Trim - Nominal Travel)
LO-DB Plug Standard Capacity High Capacity
Actuator Adjustment
Factor FL xT FL xT
A
B
C
D
E
F
G
0.85 0.61 0.80 0.54
0.83 0.58 0.80 0.54
0.82 0.57 0.80 0.54
0.81 0.55 0.81 0.55
0.81 0.55 0.81 0.55
0.81 0.55 0.81 0.55
0.81 0.55 0.81 0.55
Percent Rated Cv Versus Percentage Plug Rotation Flow Direction
LO-DB Trim Type
Percent Nominal Opening Actuator Adjustment
10
20
30
40
50
60
70
A
8.3
16.7
25.0
33.3
41.7
50.0
58.3
B
8.7
17.4
26.1
34.8
43.5
52.3
C
9.2
18.5
27.7
36.9
46.2
10.0
20.0
30.0
40. 0
50.0
80
90
100
72.2
86.1
100.0
61.0
71.0
85.5
100.0
55.4
64.6
73.8
84.6
100.0
60.0
70.0
80.0
90.0
100.0
D E F G
8/95
Cv, FL, xT and Kc versus Travel 35002 Series ANSI Class: 150 through 600 ** Sizes: 1" through 16" Flow Direction: Flow to Close or Flow to Open Percent of Plug Rotation Flow to Open FL Flow to Close Flow to Open xT Flow to Close Flow to Open Kc Flow to Close Valve Orifice Actuator Size Diameter Stem (in.) (in.) Travel (in.)
1
11/2
2
3
4
6
8
10
12
14
16
.321 .500 .579 .718 .503 .750 .907 1.125 .643 1.000 1.159 1.437 1.500 1.874 2.324 2.000 2.419 3.000 3.000 3.629 4.500 3.797 4.840 6.000 4.746 6.050 7.500 5.780 7.460 9.250 6.811 8.799 10.748 8.534 10.437 13.500
3.50 3.50 3.50 3.50 3.50 3.50 3.50 3.50 3.50 3.50 3.50 3.50 5.75 5.75 5.75 5.75 5.75 5.75 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 7.25 10.00 10.00 10.00
10 0.96 0.94 0.77 0.74 0.72 0.69
20 0.93 0.91 0.73 0.70 0.68 0.65
30 0.91 0.88 0.70 0.65 0.65 0.61
Flow Characteristics: LINEAR 40 0.89 0.83 0.67 0.58 0.62 0.54
50 0.88 0.80 0.65 0.54 0.61 0.50
60 0.87 0.77 0.64 0.50 0.59 0.46
70 0.87 0.74 0.64 0.46 0.59 0.43
80 0.86 0.72 0.62 0.44 0.58 0.41
90 0.86 0.70 0.62 0.41 0.58 0.38
2.2 4.2 6.4 11.0 4.8 9.0 13.7 24.0 8.0 15 23 40 40 59 96 68 99 163 147 216 355 241 372 638 369 569 975 497 767 1310 667 1030 1759 1037 1600 2732
2.4 4.8 7.2 12.0 5.2 10.0 15.5 26.0 8.8 17 26 44 45 68 113 77 115 192 168 252 418 279 423 723 426 647 1110 574 872 1490 771 1171 2001 1197 1819 3108
2.6 5.3 7.9 13.0 5.8 11.0 17.0 29.0 9.6 19 28 48 50 75 126 86 130 214 186 282 465 316 472 795 481 722 1220 648 971 1640 870 1304 2202 1352 2025 3421
100 0.85 0.68 0.61 0.39 0.56 0.36
Rated Cv * 0.2 0.4 0.6 0.8 0.4 1.0 1.3 1.8 0.6 1.6 2.1 3.0 4.9 5.7 8.1 8.3 9.7 14 18 21 30 24 32 43 36 52 72 49 70 100 66 94 134 102 146 209
0.4 0.9 1.3 2.1 0.9 1.9 2.9 4.5 1.5 3.2 4.8 7.5 9.2 12.2 18 16 21 30 34 45 65 44 61 111 68 94 169 91 126 228 122 169 306 190 263 476
0.7 1.2 1.5 1.4 2.0 2.7 2.1 3.2 4.3 3.6 5.8 7.7 1.6 2.4 3.4 3.0 4.3 5.9 4.5 6.8 9.2 7.8 12.0 17.0 2.6 4.2 5.6 5.0 7.2 9.8 7.8 11.2 15.3 13.0 21 28 14.0 20 26 19.4 28 37 31 45 61 24 34 45 33 47 63.5 53 76 104 52 74 98 72 102 138 115 165 225 71 107 148 112 179 247 200 319 434 109 164 226 172 273 378 306 488 663 147 221 305 231 368 509 411 656 893 197 297 410 310 494 684 552 881 1199 307 461 636 482 768 1062 857 1368 1863
1.9 3.5 5.4 9.5 4.0 7.6 11.6 20.0 6.8 13 19 34 33 48 78 57 81 133 124 177 290 197 311 544 302 476 832 406 641 1120 545 861 1504 847 1337 2336
* Cv values shown are for flow to open ** ANSI Class: 150-300 Size: 14" and 16" Caution: Cv values shown are based on ideal flow characteristics. Values are averaged and may vary.
2.8 5.6 8.4
14 6 12 18
30 10 20 30
50 54 81
135 92 138
230 200 300
500 340 510
850 520 780
1300 700 1050
1750 940 1410
2350 1460 2190
3650
8/95
Cv, FL, xT and Kc versus Travel 35002 Series Plug Rotation versus Signal Percent of Signal Span
0
10
20
30
40
50
60
70
80
90
100
0
3.8
7.6
12.0
16.8
22.5
29.4
39.0
54.0
74.5
100
0
10
20
30
40
50
60
70
80
90
100
Percent of Rotation Percentage Cam Percent of Rotation Linear Cam
36000 Series
Percent (%) of Max. Opening . Cv Percent (%) of Max.
10
20
30
40
50
60
70
80
90
100
1
5
8.5
15
24
34
46
60
78
100
Valve Size inches
Rated Cv
(mm)
2
(50)
1.1
5.3
8.9
15.8
3
(80)
2.5
12.5
21
38
4
(100)
5.1
26
43
77
6
(150)
10.3
52
88
155
8
(200)
18.3
92
156
275
10
(250)
29
145
247
435
12
(300)
43
213
361
638
16
(400)
63
313
531
938
25
36
48
63
82
105
60
85
115
150
195
250
122
173
235
306
398
510
247
350
474
618
803
1030
439
622
842
1098
1427
1830
696
986
1334
1740
2262
2900
1020
1445
1955
2550
3315
4250
1500
2125
2875
3750
4875
6250
Valve FL, xT, Kc as a Function of Capacity Percent (%) of Max. Cv
10
20
30
40
50
60
70
80
90
100
FL
0.88
.086
0.82
0.78
0.73
0.68
0.65
0.63
0.61
0.60
xT
0.65
0.62
0.56
0.51
0.45
0.39
0.35
0.33
0.31
0.30
Kc
0.61
0.58
0.53
0.48
0.42
0.36
0.33
0.31
0.29
0.28
8/95
Cv, FL, xT and Kc versus Travel 37002 Series
Maximum Rated Flow Coefficients (Cv) at Maximum Opening (75˚)
Valve Size (in.) 2 3 4 6 8 10 12
Cv ① 90 280 480 1330 2370 3700 5300
① Cv rating per ISA Test Procedure SP 39.2
Flow Coefficients (Cv) as a % of Maximum Opening (75˚)
% Max. Opening
10
20
30
40
50
60
70
80
90
100
% Max. Cv
1.2
2.5
5
9
14
23
34
51
72
100
60
70
80
90
100
Valve FL, xT, Kc as a Function of Capacity % Max. Cv
10
20
30
40
50
FL
0.80
0.78
0.76
0.75
0.73
0.71
0.69
0.67
0.66
0.65
xT
0.54
0.51
0.49
0.47
0.45
0.42
0.40
0.38
0.37
0.36
Kc
0.50
0.48
0.45
0.44
0.42
0.39
0.37
0.35
0.34
0.33
8/95
Cv, FL, xT and Kc versus Travel 39002 Series
Maximum Rated Flow Coefficients (Cv) at Maximum Opening (75˚) Cv Valve Size
ANSI Class 150
①
ANSI Class 300
ANSI Class 600
(in.)
(mm)
3
(80)
161
151
147
4
(100)
320
295
275
6
(150)
785
705
695
8
(200)
1465
1290
1270
10
(250)
2500
2160
1950
12
(300)
3435
2995
2765
14
(350)
4635
3855
------
16
(400)
6280
5575
------
18
(450)
8095
6570
------
20
(500)
9800
7210
------
24
(600)
14910
11430
------
① Cv rating per ISA Control Valve Capacity Test Procedure S75.02
Flow Coefficients (Cv) as a % of Maximum Opening (75˚)
% Max. Opening % Max. Cv
10
20
30
40
50
60
70
80
90
100
1
5
10
16
24
35
49
65
82
100
Valve FL, xT, Kc as a Function of Capacity
% Max. Cv
10
20
30
40
50
60
70
80
90
100
FL
0.85
0.81
0.78
0.75
0.72
0.70
0.68
0.66
0.64
0.62
xT
0.61
0.55
0.51
0.47
0.44
0.41
0.39
0.37
0.34
0.32
Kc
0.56
0.51
0.48
0.44
0.41
0.38
0.36
0.34
0.32
0.30
8/95
Cv, FL, xT and Kc versus Travel 41000 Series Standard Trim (Single Stage) Models 41311①, 41411, 41511, 41611 & 41911 Percent of Travel 10 20 30 40 50 60
70
80
90
100
0.92
0.91
0.91
0.90
0.90
0.71
0.71
0.70
0.70
0.68
0.68
0.66
0.66
0.65
0.65
0.63
0.63
12.5 30 23 56 45 115 71 184 93 305 250 495 290 770 450 1080 730 1930
14 35 26 65 51 134 81 208 119 345 310 550 370 860 570 1200 900 2150
15.5 38 29 72 59 148 93 226 142 375 365 600 440 940 680 1320 1050 2350
16 40 30 75 60 155 95 240 165 400 415 640 510 1000 770 1400 1280 2500
FL
0.94
0.94
0.93
0.93
0.92
xT
0.74
0.74
0.73
0.73
Kc
0.69
0.69
0.68
0.68
Valve Size (in.)
ANSI Class
Orifice Diameter Travel (in.) (in.)
2
900-2500
1.84
0.8
2 3 3 4 4 6 6 8 8
300,600 2500 300-1500 2500 300-1500 2500 150-1500 2500 150-1500
2.50
1.5
3.50
2.0
4.38
2.0
5.12
10
150-1500
8.00
12
150-1500
9.75
16
150-1500
13.00
0.8 2.0 1.5 2.5 1.5 3.0 2.0 3.8 2.5 5.0
6.50
Flow Characteristic: LINEAR
Rated Cv 1.4 2 2.7 4 5.4 8 9 12 6 20 15 30 20 50 30 70 30 130
2.7 4.9 5.1 8 10 17 16 32 16 54 40 85 50 130 70 180 130 335
4.2 8.3 7.9 14 16 28 25 55 26 90 75 145 80 230 140 320 230 580
6 13 11 22 23 46 36 86 42 145 110 235 130 370 200 520 298 930
8 19 15 34 30 70 47 122 58 205 145 330 180 510 270 710 410 1280
10 25 19 46 38 95 60 156 74 260 190 415 230 650 350 910 548 1630
Standard Trim (Single Stage) Models 41321①, 41421, 41521, 41621 & 41921 Flow Characteristic: EQUAL PERCENTAGE
Valve Size (in.)
Percent of Travel
10
20
30
40
50
60
70
80
90
100
FL
0.94
0.94
0.94
0.94
0.94
0.94
0.93
0.92
0.92
0.90
xT
0.74
0.74
0.74
0.74
0.74
0.74
0.73
0.71
0.71
0.68
Kc
0.69
0.69
0.69
0.69
0.69
0.69
0.68
0.66
0.66
0.63
ANSI Class
Orifice Diameter Travel (in.) (in.)
0.4 0.6 0.9 0.9 1.4 2.6 2 300,600 2.50 1.5 0.8 1.1 1.7 3 2500 1.5 2.5 5 3 300-1500 3.50 2.0 1.5 2.5 3.5 4 2500 4 6 11 4 300-1500 4.38 2.0 3 4 6 6 2500 6 9 17 6 150-1500 5.12 2.0 4 6 9 8 2500 10 15 25 8 150-1500 6.50 2.5 7 10 15 15 25 45 10 150-1500 8.00 3.0 10 15 25 20 40 70 12 150-1500 9.75 3.8 15 20 35 30 50 100 16 150-1500 13.00 5.0 30 40 60 60 90 170 ① Valve size 2"-4" only. See page 30 for valve size 6"-16". 2
900-2500
1.84
0.8
Rated Cv 1.3 4.2 2.5 8 5.5 17 9 27 14 45 22 70 35 110 50 150 90 270
2.0 5.6 3.7 10.5 8 22 13 36 20 60 32 90 50 140 70 200 130 360
2.9 8.0 5.4 15 11.5 32 19 52 30 85 48 130 75 210 105 290 190 520
4.3 10.9 8.0 20 17.5 43 28 70 44 110 71 180 110 280 155 390 280 700
6.4 9.5 14 15.8 23.5 35 11.9 17.6 26 29 44 65 25.5 38 56 63 94 140 41 61 90 101 151 225 66 97 144 160 240 360 105 155 230 260 385 575 165 245 360 410 600 900 230 340 500 570 840 1260 410 610 900 1010 1510 2250
8/95
Cv, FL, xT and Kc versus Travel 41000 Series 41300 Series (Single Stage) Model 41311 Percent of Travel
Flow Characteristic: LINEAR
10
20
30
40
50
60
70
80
90
100
FL
0.94
0.94
0.93
0.93
0.92
0.92
0.91
0.91
0.90
0.90
xT
0.74
0.74
0.73
0.73
0.71
0.71
0.70
0.70
0.68
0.68
0.69
0.69
0.68
0.68
0.66
0.66
0.65
0.65
0.63
0.63
Kc Valve Size (in.)
Orifice Diameter Travel (in.) (in.)
ANSI Class
6
150-2500
4.12
3.00
15
Rated Cv 39
69
111
153
195
231
258
282
300
8
150-2500
5.50
4.00
27
70
124
200
275
351
416
464
508
540
10
150-1500
6.60
4.00
45
117
207
333
459
585
693
728
846
900
12
150-1500
9.30
5.00
68
175
310
500
688
878
1040
116
127
1350
16
150-1500
11.50
6.00
100
260
460
740
1020
1300
1540
1720
1880
2000
41300 Series (Single Stage) Model 41321
Flow Characteristic: EQUAL PERCENTAGE
Percent of Travel
10
20
30
40
50
60
70
80
90
100
FL
0.94
0.94
0.94
0.94
0.94
0.94
0.93
0.92
0.92
0.90
xT
0.74
0.74
0.74
0.74
0.74
0.74
0.73
0.71
0.71
0.68
0.69
0.69
0.69
0.69
0.69
0.69
0.68
0.66
0.66
0.63
Kc Valve Size (in.)
Orifice Diameter Travel (in.) (in.)
ANSI Class
6
150-2500
4.12
3.0
8
11
19
27
37
56
82
122
180
265
8
150-2500
5.50
4.0
14
18
32
46
64
96
141
209
309
455
10
150-1500
6.60
4.0
23
31
54
76
107
161
237
352
520
765
12
150-1500
9.30
5.0
31
41
71
102
143
214
316
469
694
1020
16
150-1500
11.50
6.0
51
68
120
170
238
357
527
782
1155
1700
Rated Cv
VRT® Type C Multi-stage Anti-cavitation Models 41318 & 41618 Flow Direction:
Flow to Open
Flow Characteristic: LINEAR
5
Percent of Travel FL
10
20
30
40
50
60
70
80
90
100
.984 .983 .982 .982 .979 .977 .976 .974 .973 .971 .970
Kc
0.97
Orifice Min① Diameter Operable Cv (in.)
0.97 0.96 0.96 0.96 0.96 0.95 0.95 0.95 0.94 0.94
Valve Size (in.)
ANSI Class
1.50
0.5
1.5
0.5
1
2
3
2
300, 600
1.75
0.5
2.0
1.2
2.5
5
7.5
900,1500
1.50
0.6
1.5
0.5
1
2
3
3
300-1500
2.40
1.0
2.5
2.5
5
10
4
300-1500
3.40
1.4
2.5
3.5
7
14
6
150-1500
4.30
2.4
3.5
6
12
24
Travel (in.)
Rated Cv 4
5
6
7
8
9
10
10
12.5
15
17
20
22.5
25
4
5
6
7
8
9
10
15
20
25
30
35
40
45
50
21
28
35
42
49
56
63
70
36
48
60
72
84
96
108
120
① Throttling at less than minimum operable CV levels for extended period of time can result in trim damage.
8/95
Cv, FL, xT and Kc versus Travel 41000 Series
LO-DB® /Anti-cavitation (Single Stage) Models ①
Flow Characteristic: LINEAR
Percent of Travel
10
20
30
40
50
60
70
80
90
100
FL
0.94
0.94
0.94
0.94
0.94
0.94
0.94
0.94
0.94
0.94
xT
0.74
0.74
0.74
0.74
0.74
0.74
0.74
0.74
0.74
0.74
0.83
0.83
0.83
0.83
0.83
0.83
0.83
0.83
0.83
0.83
Kc
①
41412 41512 41612 41912 41413 41513 41613 41913
Valve Size (in.)
Orifice Diameter Travel (in.) (in.)
ANSI Class
2
900-2500
2
300,600
3
2500
3
300-1500
4
2500
4
300-1500
6
2500
6
150-1500
8
2500
8
150-1500
6.50
3.0
10
150-1500
8.00
3.5
12
150-1500
9.75
5.0
16
150-1500
13.00
6.0
1.84
0.8
2.50
1.5
3.50
2.0
4.38
2.0
5.12
2.5
Rated Cv 1.2 2.5 3 2.5 5 7 5 10 12 7 15 20 11 21 30 16 32 50 25 50 65 35 70 110 60 120 180
2.4 5 6 5 10 13 9 19 24 14 29 40 21 42 60 31 63 100 50 100 130 70 145 220 120 240 360
3.6 7.5 9 7.5 15 20 14 29 36 21 44 60 32 63 90 47 95 150 75 150 195 110 215 330 180 360 540
4.8 10 12 10 20 26 18 38 48 28 58 80 42 84 120 62 126 200 100 200 260 145 290 440 240 480 720
6.0 7.2 8.4 9.6 10.8 12 12.5 15 17.5 20 22.5 25 15 18 21 24 27 30 12.5 15 17.5 20 22.5 25 25 30 35 40 45 50 33 39 46 52 59 65 23 27 32 36 41 45 48 57 67 76 86 95 60 72 84 96 108 120 35 42 49 56 63 70 73 87 102 116 131 145 100 115 135 155 175 195 53 63 74 84 95 105 105 126 147 168 189 210 150 180 210 240 270 300 78 93 109 124 140 155 156 189 221 252 284 315 250 300 350 400 450 500 125 150 175 200 225 250 250 300 350 400 450 500 325 390 455 520 585 650 180 215 250 290 325 360 360 435 505 580 650 725 550 660 770 880 990 1100 300 360 420 480 540 600 600 720 840 960 1080 1200 900 1080 1260 1440 1620 1800
Where diffuser is added on high capacity trim overall Cv is reduced as much as 15%.
8/95
Cv, FL, xT and Kc versus Travel 41000 Series LO-DB® Double Stage Models 41514, 41614 & 41914 Flow Direction: Flow to Open
Flow Characteristic: LINEAR
Percent of Travel
10
20
30
40
50
60
70
80
90
100
xT
0.76
0.76
0.76
0.76
0.76
0.76
0.76
0.76
0.76
0.76
70 105 147 245 357 626
80 120 168 280 408 716
90 135 189 315 459 805
100 150 210 350 510 895
Valve Size (in.)
ANSI Class
Nominal Orifice Diameter (in.)
4 6 8 10 12 16
300-1500 150-1500 150-1500 150-1500 150-1500 150-600
3.50 4.38 5.12 6.50 8.00 9.75
Travel (in.) 2.0 2.5 3.0 3.5 5.0 6.0
Rated Cv
10 15 21 35 51 89
20 30 42 70 102 179
30 45 63 105 153 268
40 60 84 140 204 358
50 75 105 175 255 447
60 90 126 210 306 537
VRT® Type S Anti-cavitation Model 41317 Full Stack Flow Direction: Flow to Open
Flow Characteristic: LINEAR
10
Percent of Travel
20
30
40
50
60
70
80
90
100
FL
.999 .999 .999 .998 .997 .996 .994 .992 .990 .988
Kc
0.99 0.99 0.99 0.99 0.99 0.99 0.99 0.98 0.98 0.98
Orifice Min.① Diameter Operable Cv (in.)
Valve Size (in.)
ANSI Class
8
300-1500
3.12
3.0
4.0
12
24
36
10
300-1500
4.25
4.5
4.0
19
38
57
12
300-1500
5.00
4.5
4.0
27
54
81
Travel (in.)
Rated Cv
48
60
72
84
96
100
120
76
95
114
133
152
171
190
108
135
162
189
216
243
270
VRT® Type S Anti-cavitation Model 41337 Partial Stack Flow Direction: Flow to Open
Flow Characteristic: MODIFIED PERCENTAGE
10
Percent of Travel
Valve Size (in)
ANSI Class
20
30
40
50
60
70
80
90
100
FL
0.99 0.99 0.98 0.96 0.93 0.92 0.92 0.92 0.92 0.92
Kc
0.98 0.98 0.96 0.87 0.66 0.66 0.66 0.66 0.66 0.66
Min① Orifice Diameter Operable Cv (in.)
Travel (in.)
Rated Cv
4 6
300-2500
3.12
2.7
2.25
3
8
13
22
35
54
70
88
105
120
300-2500
4.12
3.0
3.0
6
13
21
35
54
82
120
160
200
240
8
300-2500
5.50
7.5
4.0
10
25
50
75
135
210
270
330
400
460
10
300-1500
7.62
9.5
4.0
20
45
75
120
200
280
375
475
590
700
12
300-1500
9.25
12.0
5.0
22
44
75
138
248
412
583
748
924 1100
16
300-1500
11.50
18.0
6.0
40
100
200
350
600
900
1150 1350 1600 1800
① Throttling at less than minimum operable CV levels for extended period of time can result in trim damage.
8/95
Cv, FL, xT and Kc versus Travel 77000 Series Flow Coefficients (Rated Cv) Trim Size Body Size Inlet x Outlet (in.)
B
A
Plug Travel (in.)
Trim Expansion Ratio
xT
Cv
Trim Expansion Ratio
Cv
2x3
1
/4
4:1
15
2:1
25
2x4
1
/4
4:1
15
2:1
25
3x3
3
/8
4:1
35
2:1
50
3x4
3
/8
4:1
35
2:1
50
3x6
3
/8
4:1
35
2:1
50
4x4
1
/2
4:1
60
2:1
80
4x6
1
/2
4:1
60
2:1
80
4x8
1
/2
4:1
60
2:1
80
6x6
1
/2
4:1
85
2:1
125
6x8
1
/2
4:1
85
2:1
125
0.76
78200/18200 Series
Flow Coefficients Rated Cv and Minimum Controllable Cv Standard Capacity Trim Size (in.)
Orifice Diameter (in.)
3 Stage Travel (in.)
C
4 Stage
Cv
FL
Min. Cont. Cv
A
6 Stage
B
C
Cv
FL
Cv
FL
Cv
A
B
C
FL
Min. Cont. Cv
Cv
FL
Cv
FL
Cv
FL
Min. Cont. Cv
1
.70
.25
2.0
.98
.05
1.0
.996
1.4
.994
1.7
.991
.04
.80
.998
1.0
.997
1.4
.994
.03
11/2
1.00
.25
3.8
.98
.10
1.9
.996
2.5
.994
3.2
.991
.08
1.4
.998
1.8
.997
2.5
.994
.05
2
1.50
.38
9.0
.98
.15
4.5
.996
6.0
.994
7.5
.991
.12
3.5
.998
4.5
.997
6.0
.994
.08
3
2.25
.62
20.0
.98
.25
10.0
.996
13.0
.994
16.5
.991
.20
7.5
.998
9.5
.997
13.0
.994
.13
4
2.88
.75
34.0
.98
.43
16.5
.996
22.0
.994
28.0
.991
.35
12.0
.998
16.0
.997
22.0
.994
.22
6
4.12
1.00
65.0
.98
.56
34.0
.996
45.0
.994
56.0
.991
.46
25.0
.998
35.0
.997
45.0
.994
.30
8
5.38
1.25
135.0
.98
1.0
70.0
.996
90.0
.994
115.0
.991
.80
50.0
.998
65.0
.997
91.0
.994
.65
8/95
Cv, FL, xT and Kc versus Travel 89000 Series Combining Service
Sizes: 1" through 6" Flow Direction: Common Port is Outlet in Combining Service
Percent of Plug Travel FL xT Kc Valve Size (inches)
Orifice Diameter (inches)
1
1.250
11/2
1.750
2
2.250
3
3.375
4
4.375
6
6.500
Plug up 0 0.90 0.68 0.63
Flow Characteristic: LINEAR
10
20
30
40
50
60
70
80
90
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
Flow Path
Plug down 100 0.90 0.68 0.63
Rated Cv
L to C
19.1
18.4
17.1
15.4
13.3
11.0
8.5
5.6
3.0
1.0
0.0
U to C
0.0
1.2
3.2
5.8
8.2
10.1
11.5
12.2
12.7
13.1
13.4
L to C
42.4
40.9
38.1
34.3
29.6
24.4
18.9
12.4
6.6
2.3
0.0
U to C
0.0
2.7
7.3
13.2
18.7
22.9
26.1
27.8
28.9
29.7
30.4
L to C
74.0
71.0
67.0
60.0
52.0
43.0
33.0
22.0
11.5
4.0
0.0
U to C
0.0
4.7
13.0
23.0
33.0
40.0
46.0
49.0
51.0
52.0
53.0
L to C
156.0
150.0
140.0
126.0
109.0
90.0
70.0
45.0
24.0
8.5
0.0
U to C
0.0
10.6
29.1
52.5
74.0
90.0
103.0
110.0
114.0
118.0
120.0
L to C
270.0
260.0
242.0
218.0
188.0
155.0
120.0
79.0
41.0
14.0
0.0
U to C
0.0
18.9
52.0
93.0
131.0
161.0
184.0
195.0
203.0
209.0
214.0
L to C
608.0
585.0
545.0
491.0
423.0
350.0
271.0
178.0
94.0
33.0
0.0
U to C
0.0
42.0
116.0
209.0
296.0
362.0
414.0
440.0
458.0
472.0
482.0
U = Upper
L = Lower
C = Common
8/95
Cv, FL, xT and Kc versus Travel 89000 Series Diverting Service
Sizes: 1" through 6" Flow Direction: Common Port is Inlet in Diverting Service
Percent of Plug Travel FL xT Kc Valve Size (inches)
Orifice Diameter (inches)
1
1.250
11/2
1.750
2
2.250
3
3.375
4
4.375
6
6.500
Plug up 0 0.90 0.68 0.63
Flow Characteristic: LINEAR
10
20
30
40
50
60
70
80
90
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
0.90 0.68 0.63
Flow Path
Plug down 100 0.90 0.68 0.63
Rated Cv
C to L
14.3
13.8
13.7
13.1
12.0
10.3
8.3
5.7
3.2
1.2
0.0
C to U
0.0
1.2
3.5
5.9
7.8
9.3
10.4
11.3
12.0
12.4
12.6
C to L
32.0
31.0
31.0
29.0
27.0
23.0
19.0
13.0
7.0
2.7
0.0
C to U
0.0
2.7
7.9
13.4
17.8
21.0
23.6
25.7
27.2
28.0
28.6
C to L
57.0
55.0
54.0
52.0
48.0
41.0
33.0
22.0
12.0
4.7
0.0
C to U
0.0
4.7
14.0
23.0
31.0
37.0
41.0
45.0
48.0
49.0
50.0
C to L
128.0
124.0
123.0
117.0
108.0
93.0
75.0
51.0
28.0
10.0
0.0
C to U
0.0
10.7
31.0
53.0
70.0
83.0
93.0
102.0
108.0
111.0
113.0
C to L
228.0
220.0
218.0
209.0
192.0
165.0
133.0
91.0
51.0
19.0
0.0
C to U
0.0
19.0
55.8
94.8
125.3
148.2
166.7
181.5
192.0
197.8
202.0
C to L
514.0
495.0
492.0
470.0
431.0
371.0
299.0
204.0
114.0
42.0
0.0
C to U
0.0
42.0
125.0
213.0
282.0
333.0
375.0
408.0
432.0
445.0
454.0
U = Upper
L = Lower
C = Common
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