Sp-p-001_specification For Strainer.docx

SPECIFICATION FOR STRAINER

1 0

16.05.2020 27.08.2015

Revised First Issue

SC NV

VB US

SJG SVK

Rev.

Date

Revision Description

Issued By

Checked By

Approved By

TABLE OF CONTENTS 1.0

GENERAL..................................................................................................................................................3

1.1

SCOPE.......................................................................................................................................................3

1.2

REFERENCES.............................................................................................................................................4

2

SUBMITAL REQUIREMENTS........................................................................................................................4

3

SUBSTITUTION............................................................................................................................................5

4

MATERIALS..................................................................................................................................................5

4.1

GENERAL..................................................................................................................................................5

4.2

HARDNESS CONTROL...............................................................................................................................5

5

SPECIAL REQUIREMENTS – AUSTENITIC STAINLESS STEEL..........................................................................6

5.1

FERRITE CONTROL....................................................................................................................................6

5.2

CORROSION SEND TESTS..........................................................................................................................6

6

FLANGES AND FLANGE FINISH....................................................................................................................7

6.1

FACING SURFACE FINISH..........................................................................................................................7

6.2

RING JOINT FLANGES................................................................................................................................7

7

END PREPARATION.....................................................................................................................................7

7.1

BUTT WELD..............................................................................................................................................7

7.2

PIPE THREADS..........................................................................................................................................7

8

WELDING....................................................................................................................................................8

9

TESTING AND EXAMINATION...................................................................................................................8

10

INSPECTION AND REPORTS.......................................................................................................................9

11

PAINTING..................................................................................................................................................9

12

IDENTIFICATION........................................................................................................................................9

13

SPARE PARTS...........................................................................................................................................10

14

SHIPPING PREPARATION.........................................................................................................................10

APPENDIX A – INSPECTION CHECKLIST

Change Log Summary

Comments Rev 0: Prepared for “First Issue”. Rev 1: Revised for company logo & for proper formatting.

Revision

Rev 1

Date

16/05/2020

Completed by

SC

Checked by

VB

Approved by 1.0

GENERAL

1.1

SCOPE

SJG

1.1.1 This standard provides additional purchasing requirements for strainers. It supplements the abbreviated descriptions used in individual purchase requisitions and purchase orders pertaining to strainers. The abbreviated descriptions are here after referenced in this standard as purchase descriptions. 1.1.2 In the event of a conflict between this standard, purchase description, referenced codes and standards, the most stringent requirements, as determined by the Purchaser, shall prevail. All conflicts shall be reported to the Purchaser in the vendor's proposal.

1.2

REFERENCES

1.2.1

All codes, standards, and specifications referred to herein form a part of the requirements of

this standard. Editions of these documents and of the material standards specified in the purchase descriptions shall be in accordance with those referenced in Appendix K in ANSI B31.3 and Appendix F in ANSI B31.1. 1.2.2

The following codes and standards are, referenced herein American National Standards Institute

2

B2.1-

Pipe Threads

B16.5-

Steel Pipe Flanges and Flanged Fittings

B16.11-

Forged Steel Fittings, Socket welding and Thread

B16.20-

Ring Joint Gasketed and Grooves for Steel Pipe Flanges

B16.25-

Butt welding Ends.

SUBMITAL REQUIREMENTS

2.1 The appropriate documents shall be submitted in accordance with purchase description of

the

individual components in the purchase documents as supplemented by this standard. All

data,

drawings, certification, test reports, procedures, and other information required by this standard shall be in English and metric Units.

2.2 Complete descriptive data shall be submitted by the bidders. This shall include complete dimensional data, cross section drawings, complete material description (ASTM designations) of all components, pressure-temperature ratings and total strainer weight. 2.3 All submittals and data must be clearly identified with the order number, the item

number within

the order, and the unique strainer identification code used in the purchase description. 2.4 All strainers and strainer components not in accordance with the requirements of this standard shall be identified as an alternate offering in the quotation. Deviations from, or exceptions to, the requirements of this standard and purchase description must be clearly identified. Complete information shall be submitted for any alternate proposal to permit proper evaluation. This shall include cross sectional drawings, dimensional data, materials of construction, chemical and mechanical properties, applicable codes, fabrication methods. 2.5 Failure to provide complete information for proper evaluation shall be cause for rejection of the quotation.

3

SUBSTITUTION

3.1 Substitution of cast material where forged material is specified is not permitted. However, forged material is an acceptable substitution whoever cast material is specified. 3.2 The following material substitutions are allowed: 3.2.1 In lieu of Type 304 stainless steels, Type 316 SS material is acceptable. 3.2.2 In lieu of Type 321 stainless steels, Type 347 SS material is acceptable. 3.3Substitutions allowed above & not require written approval; however, these specific substitutions must be clearly indicated in the quotation.

4

MATERIALS

4.1

GENERAL

4.1.1

Materials shall be as follows unless otherwise specified in purchase descriptions. STRAINER TYPE

MATERIALS

Pump, plate type

Carbon steel

Compressor basket type

Type 316 stainless steel

Pump, basket type

Type 316 stainless steel

Tee-type (body)

As

Tee-type (internals)

Type 316 stainless steel

Y-type (body)

As

Y-type (internals)

Type 316 stainless steel

specified

in

–purchase

description

specified

in

purchase

description

4.1.2 Where austenitic stainless steel, Types 304, 316, 321, and 347 are specified, the minimum carbon steel content shall be 0.04 percent. Forgings of ASTM A182-F321 and F347 material shall be solution annealed per supplemental \requirement S9 of ASTM A182. Stainless steel castings produced under ASTM A351 shall be solution-heat treated following completion of all weld repairs.

4.2

HARDNESS CONTROL

4.2.1 Strainers in sour service are identified by NACE-MR-01-75 in the purchase descriptions; These strainers must be tested and certified by the manufacturer that they fully comply with the requirements of NACE-MR-01-75 for the body, and basket material specified, except that all materials, welds, weld repairs, and heat affected zones must be below the following maximum Brinell hardness for the material groups listed. The Rockwell C limitations in MR-01-75 are not acceptable for these materials. The maximum acceptable Brinell hardness is 187-248 for ASTM A182-F5a material. Higher values listed in A182 are not acceptable. 4.2.2 The hardness limits specified above shall also apply to strainers in NON-NACE service. For carbon steel components in NON-NACE service, the manufacturer shall furnish certification that he conforms to these hardness limits, as determined by his normal quality control methods. For ferritic chrome alloy in NON-NACE service, the manufacturer shall test and certify that the hardness limits are met. Testing shall be per paragraph 4.2.3. 4.2.3 Brinell hardness testing methods shall be as defined in ASTM A370. Brinell hardness tests on cast or forged material shall be made on a minimum of 10 percent (minimum of 1) of each lot of strainers. A lot of material is defined as strainers of the same material type and grade, from the same heat, and heat-treated at the same time in the same furnace or oven.

All fabricated butt welds on tee-strainers shall be hardness tested.

5

SPECIAL REQUIREMENTS – AUSTENITIC STAINLESS STEEL

5.1

FERRITE CONTROL

5.1.1 Ferrite control is required for all cast austenitic stainless-steel strainers, and for all deposited austenitic stainless-steel weld metal. Ferrite test results shall be reported in the material certificates required for stainless steel material. 5.1.2 Ferrite content shall be limited to the range of 3 to 10 percent for all austenitic stainless-steel weld deposits and castings. 5.1.3 The ferrite content shall be calculated from the casting or weld deposit chemistry by use of the Schaeffler Diagram or may be measured by either a Severn gage (use for weld deposits only) or by a Ferrite Scope. 5.1.4 Ferrite tests shall be conducted on 10 percent of the strainers from each lot. They shall consist of one test near each end of the strainer and one test midway between the ends. 

Test shall be performed after all required heat treatment of the strainers.



A lot consists of strainers of the same material type, produced from the same heat of material.



Ferrite tests shall be conducted on all deposited austenitic stainless-steel weld metal of assembly or repair welds.

5.2

CORROSION SEND TESTS

5.2.1 An inter granular corrosion bend test is required for each lot of Type 321 and 347 stainless steel pipe and wrought fittings used in fabricated strainers. 5.2.2 The test shall be made on one fitting or representative test piece per lot of fitting. The test sample shall be taken from one finished pipe from each lot used in fabrication of the strainers after any required heat treatment. A lot shall be defined as the following lengths of pipe of the same size and wall thickness from any one heat of material.

5.2.3

NOMINAL SIZE

LENGTHS OF PIPE IN FEET

Below 2 inch

100 or fraction thereof

2 to 5 inch

100 or fraction thereof

6 and over

100 or fraction thereof

Acceptance criteria for this test shall be as follows:

5.2.3.1 Test results of the Rapid Screening showing acceptable each-structures in the test samples shall be the basis for acceptance of the material lot represented by the sample.

5.2.3.2 Failure of the test sample to pass the Rapid Screening Test shall be resolved as follows: The lot of material may be re-heat treated and the Rapid Screening Test repeated on a sample of the lot. The material is acceptable if the test results show an acceptable each-structure. 5.2.3.3 In lieu of 5.2.3.2, the vendor may elect to perform the copper, copper-sulfate, sulfuric acid bend test per Practice E. Material is acceptable on satisfactory completion of the bend test. Material is not acceptable if it fails to pass the bend test.

6

FLANGES AND FLANGE FINISH

6.1

FACING SURFACE FINISH

Conical and flanged Y-type and tee-type strainers shall be specified with the facing surface finish per the line class in which they are to be installed.

6.2

RING JOINT FLANGES

Where ring joint flanges are specified, flanged blow-off caps must also be ring joint. All ring joint grooves shall be flat bottom in accordance with ANSI 16.20.

7

END PREPARATION

7.1

BUTT WELD

7.1.1 The preparation of butt weld ends for all strainer components shall be in accordance with ANSI B16.25. 7.1.2 The inside contour of butt-weld ends shall not be as formed but shall be counter bored or taper bored from the welding end at a slope not exceeding 1:3. 7.1.3

Undressed flame cut bevels are not permitted.

7.2

PIPE THREADS

All threaded components shall have taper pipe threads in accordance with ANSI B2.1.

8

WELDING

8.1 All fabrication, assembly, and repair welding shall be performed by welders and welding operators qualified under the requirements of ANSI B31.3. All welding procedures shall be qualified as required by ANSI B31.3. 8.2 The vendor shall maintain a List of currently qualified welders and welding operators. This list shall always be available to the Purchasers, Inspectors. 8.3 Fabrication, assembly, and repair welding shall be by processes using filler metal. The filler metal shall match the chemistry of the strainer body or component.

8.4 Welding on conventional strainers and strainers specified to NACE MR-01-75 shall use WPS and PQR's that have been qualified to the Brinell hardness requirements of Section 4 paragraph 4.2 of this standard. 8.5 NDE examinations shall be performed after any required heat treatment. Weld repairs on ferritic chrome alloy pipe and components shall be made prior to heat treatment. If weld repairs are found to be necessary after heat treatment, the material shall be re-heat treated after completion of repairs.

9

TESTING AND EXAMINATION

9.1

Strainers shall be tested and inspected by vendor as per project requirement.

9.2

Shell Hydrostatic testing and test media for T-type and Y-type strainers shall conform to the following: a) Fresh water with less than 3000 parts per million (ppm) total salt content shall be used for hydrostatic testing of carbon steel and ferritic chrome alloy steel strainers. b) Demineralized water with less than 10 ppm total chlorides shall be used for hydrostatic testing of austenitic stainless-steel strainers. c) Strainers shall be drained immediately after completion of the hydrostatic tests and mopped or wiped dry. Water shall not be allowed to collect in pockets and dry by evaporation. Pockets that cannot be reached for mopping or wiping shall be blown dry with oil-free air at ambient temperatures. d) The vendor shall submit the hydro test report and water analysis for approval prior to performing any hydrostatic tests.

9.3

Examination – NDE

9.3.1 In addition to the requirements of section 9.1 above, all cast carbon steel, stainless steel and ferritic chrome alloy strainers shall be radio graphically examined and magnetic particle or liquid penetrate examined per Table I and II in Attachment A. 9.3.2 In addition to the requirements of section 9.1 above, all forged carbon steel, stainless steel, and ferritic chrome alloy strainers shall be magnetic particle or liquid penetrate examined per Table II in Attachment A.

10

INSPECTION AND REPORTS

10.1All piping materials shall be inspected at the Vendor's plant in accordance with the "Inspection Checklist” Appendix A of this standard. The Checklist lists all specific requirements which are applicable to the items covered by this standard, including requirements for submittal of test results, reports, procedures, etc. The Purchaser’s Inspector requires written notification of items available for inspection a minimum of 15 to 20 working day & prior to shipment.

10.2 Shipment of materials shall not be made until all requirements of the checklist have been met. 10.3 Material certificates shall be supplied for all carbon steel, alloy, and stainless-steel strainers body and bonnet materials. The certificates shall include chemical composition, mechanical properties, and any tensile, bending, hardness, or other tests required by the applicable material standards. The above certificates also apply to strainer screens.

11

PAINTING

The exterior surfaces of carbon steel, ductile iron and ferritic chrome alloy strainers shall be prime painted prior to shipment as follows: a) Surface Preparation - white metal blast clean per SSPC-SP5. b) Prime - self curing inorganic zinc paint applied in one coat of 3 mills minimum thickness. c) The following paints are acceptable: Carboline Carbo Zinc #11 Amercoat Dimtcote EZ 11 Mobil zinc 7 13-F-12 Sherwin Williams Zinc Clad 8, B69A 48 International/Interzine QHA 110 /QHA 111 Silicate

Napko 52, No 1377 Porter Zinc-Lock 351 Prufcoat Zinc prime 500 d) Paint as delivered to the vendor shall be in the manufacturer's original containers bearing the manufacturers name and brand number and be applied in strict accord with the manufacturer’s recommendation.

12

IDENTIFICATION

The stamp shall include the following information: Size, Strainer Letter Symbol, Pressure Class Material Facing Surface Finish Manufacturing Number Manufacturer Unique Identification Code (as given in the purchase description) All strainers shall have permanent flow direction arrow on the strainer body.

13

SPARE PARTS

13.1 The vendor must furnish with his quotation a completed "Spare Parts Interchangeability Record" (SPIR) form together with cross-sectional drawings and parts list for each model or type of strainer supplied. 13.2 Each spare part will be assigned an owner's stock number which will be sent to the vendor before they ship their order. The stock numbers may be assigned at a later date and are not required when placing the spare parts purchase order.

14

*

SHIPPING PREPARATION

Strainer Type C

=

Compressor (Witches Hat / Pilgrim Hat)

PB

=

Pump (basket)

PP

=

Pump (Flat Type Plate)

T

=

Tee-Type

Y

=

Y-Type

APPENDIX A – INSPECTION CHECKLIST 1.0

GENERAL

1.1

SCOPE

This appendix provides a checklist for the extent of inspection at the Vendor's plant for strainers.It defines the responsibilities of the Vendor or sub vendors ' Inspection personnel, and defines the items that the Purchaser's inspection personnel review and witness, either random or 100 percent. Conflicts between this checklist, and the reference codes and standards must be resolved before submittal of final quotations. 1.2

EXTENT OF INSPECTION

1.2.1The Vendor is responsible for full compliance with all requirements of this standard, the purchase description, the referenced codes and material standards. The checklist requires monitoring of certain of these requirements. The Vendor shall comply with all requirements of the documents, codes, and standards not specifically included in the checklist. The Purchasers inspector will monitor the Vendors compliance with all requirements and is not limited to those items listed in the checklists. 1.2.2The extent of inspection shall consist of one strainer of each size, pressure rating and material, plus one additional strainer for each quantity over 50 of each size, pressure rating and material for the following items: a) 4-inch and larger sizes, in all materials, for pressure classes 150# to 600# shall be inspected. b) All sizes, in all materials, for pressure classes 900# and over shall be inspected. 1.2.3

The Purchasers inspector may increase the level of inspection and may call for additional tests or

inspection to ensure that the products met all requirements. 1.3

DEFECTS

If any defect is found during a random witness, the minimum inspection percentage shall be doubled. In case of the discovery of further defects, 100-percent testing and/or inspection is to be carried out on the defective Lot. 2.0

FINAL INSPECTIONS

The following tests which are listed under Final Inspection shall include but shall not be limited to the following operations. 2.1

VISUAL CHECK

a) Materials, construction, etc. b) Overall appearance to ensure items is free of defects and all accessories are installed.

c) Painting. d) Flow Directional Arrows are provided on all strainers. e) Flange faces finish. 2.2

DIMENSION CHECK

a) Dimensions of strainers shall be checked against the referenced standards and approved drawings where applicable. b) Threads shall be inspected by means of thread gauges. 2.3

IDENTIFICATION CHECK

a) Color coding is correct. b) Nameplate data and marking is free from errors. c) Tag data is correct, and tags are securely attached. 2.4

ALLOY VERIFICATION

For all alloy steels, and stainless steel, the Vendor shall maintain an adequate alloy verification control procedure. All verification tests shall be performed by qualified personnel. The test results shall be submitted to the Purchaser. The Purchaser's inspector shall monitor the procedure and review the test results as indicated in the checklists. 3.0

SUBMITTALS

Submittal of documents, where required by this standard or checklist, shall be made to the Purchaser in accord with the purchasing instructions. The Purchaser's inspector shall verify that all submittals have been made, and that approvals where required, have been received by the Vendor.

4.0

ABBREVIATIONS

The abbreviations used in the tables of this standard are as follows: MT

Magnetic particle examination

NDE

Non-destructive examination

P

Purchaser

PT

Liquid penetrate examination

PQR

Welding Procedure qualification Record

R

Review records of test and/or inspection

RA

Review document and approval

RT

Radiography examination

S

Vendor submit documents

T

Vendor's own test/inspection

V

Vendor

W

Witness at 100 percent

WF

Witness first shipment and at 5 percent random (Note 1)

WPS

Welding Procedure Specification

NOTES: The following notes apply where referenced in the check lists. * As specified in this specification and/or applicable standard or code. Witness first shipment shall include, but not be limited to, review of procedures, certifications, test and NDE results, and performing inspection functions for the items that will be included in the first shipment. The inspections and reviews shall be conducted at appropriate times during fabrication, assembly, and testing.

MATERIAL Inspection Item

Carbon Steel

Alloy Steel and Stainless Remarks

Steel

V

F

V

P

S

R

S

R

S

RA

S

RA

1 Document 1.1 Vendor's Fabrication and Inspection Procedure for special design and fabrication of nonstandard strainers 1.2 Welding Procedures WPS and PQR

R 2 Material Certification 2.1 Chemical Composition (including ferrite control) 2.2 Mechanical Properties 2.3 Hardness Certification NACE & Alloy Other 2.4 Corrosion Bend Test Rapid Screening Test Bend Test

S

S

S T S

S R S R R

S

R

T

R

S S

S

R

R

R R R R

3 Test 3.1 NDE a. RT on Casting MT/PT on casting b. RT on Butt Welded Type c. MT/PT on Welded Area

4 Heat Treatment

R T T T -

R

T

R

T

-

T T

R T

T WF

5.1 Visual Inspection

WF

T

WF,R

S,T

-

T,S

WF

TS

WF

T

5.3 Hydrostatic Test 5.4 Alloy Verification 5.5 Identification Check 5.6 Repair Welding

6 Shipping-Preparation and Packaging

T T T,S T T

T

*

R

*

R R

R

* *

5 Final Inspection

5.2-Dimensional Inspection

R

T WF T

* WF

*

WF WF,R WF,R WF WF

WF

*

TABLE – I RADIOGRAPHIC EXAMINATION

MATERIAL

Carbon Steel

Ferritic Chrome Alloys

SERVICE

All

NOTE 150

300

600

900

1500

2500

(1)

1

1

1

1

1

1

(2) (2)

5% -

5% -

5%

(1)

1

2

2

2

2

2

100%

(2)

5%

5%

5%

10%

10%

10%

Note-3

(1)

2

2

2

2

2

2

100%

(2)

10%

10%

10%

20%

20%

20%

Note-3

(1)

1

2

2

2

2

2

100%

(2)

5%

5%

5%

5%

5%

5%

Note-3

(1)

2

2

2

2

2

2

100%

(2)

5%

All

All

All

All

All

Note-3

General

Hydrogen Rich

General Stainless Steel

Hydrogen Rich

EXTENT OF EXAMINATION

ANSI PRESSURE CLASS

100%

Butt-weld ends-Random 100% 100% 100% Note-3

NOTES: 1. Indicates quantity of the initial castings from each foundry for each pressure class and material type. Select larger sizes. 2. Production castings. 3. Critical areas for strainers shall be as defined for special class valves in ANSI B16.34. Additional areas may be selected by the inspector based on the results of the 100% radiography of the initial castings

TABLE – II MAGNETIC PARTICLE / LIQUID PENETRATE EXAMINATION MATERIAL

SERVICE

Carbon Steel

All

Ferritic Chrome Alloys

Stainless Steel

NOTE

300

600

900

(1)

2

2

2

2

2

2

100% Magnetic Particle

(2)

5%

5%

5%

10%

10%

10%

100% Magnetic Particle

(1)

2

2

2

2

2

2

100% Magnetic Particle

(2)

5%

5%

5%

10%

10%

10%

100% Magnetic Particle

(1)

2

2

2

2

2

2

100% Magnetic Particle

(2)

10%

10%

10%

20%

20%

20%

100% Magnetic Particle

(1)

2

2

2

2

2

2

100% Magnetic Penetrate

(2)

5%

5%

5%

5%

5%

5%

3% Liquid Penetrate

(1)

2

2

2

2

2

2

100% liquid Penetrate

(2)

All

All

All

All

All

All

Butt-weld ends-liquid

General Hydrogen Rich

EXTENT OF EXAMINATION

150

General

Hydrogen Rich

ANSI PRESSURE CLASS 1500 2500

Penetrate (2)

5%

5%

5%

10%

10%

10%

100% liquid Penetrate

NOTES: 1) Indicates quantity of the initial castings from each foundry for each pressure class and material type. Select larger sizes. 2) Production castings. 3) Critical areas for strainers shall be as defined for special class valves in ANSI B16.34. Additional areas may be selected by the inspector based on the results of the 100% radiography of the initial castings.

TABLE – III TEMPORARY PUMP SUCTION STRAINER FOR RF FLANGES LINE SIZE

150#

D1

300# D1

150# & 300# D2

1½

3¼

3 5/8

1½

2

4

4¼

2

2½

4¾

5

2½

3

5¼

5 3/2

3

4

6 3/8

7

4

6

8 5/8

9¾

6

8

10 7/8

12

8

10

13 ¼

14 ½

10

12

15

16 ½

12

14

17 5/8

19

13 ¼

16

20 ½

21 ½

15 ¼

NOTES: 1) All dimensions are in Inches. 2) The strainers are to be fabricated from 3/32” thick perforated plate, 3/10” diameter holes staggered on 3/8” centers. Open area not to be less than 62% of plate. 3) Strainer to be Gasketed on both Sides. 4) The material of plate to be Carbon steel, unless specified otherwise in purchase description. 5) Type PB

TABLE – IV TEMPORARY PUMP SUCTION STRAINER FOR RTJ FLANGES LINE

150#

300#

SIZE

D

D

1½

2 3/16

2 5/16

2

2 7/8

2¾

2½

3 5/8

3 5/8

3

4 1/8

4 3/8

4

5½

5 3/8

6

7¼

7 13/16

8

9 3/8

10 1/8

10

11 5/8

12 ¼

12

14 5/8

14 ½

14

15 ¼

16

16

17 ½

18

NOTES: 1) All dimensions are in Inches. 2) The strainers are to be fabricated from 3/32” thick perforated plate, 3/10” diameter holes

staggered on 3/8” centers. Open area not to be less than 62% of plate. 3) Strainer to be Gasketed on both Sides. 4) The material of plate to be Carbon steel, unless specified otherwise in purchase description. 5) Type PB

NOTES: 1) Minimum face to face of flanges= A + 1” 2) A = Length of Strainer

1) Tab details for manufacturer's standard.

NOTES: 1) Dimensions for RF flange Type PB strainer, see Table-V 2) Dimensions for RTJ flange Type PB strainer, see Table-VI

TABLE – V 150# RF

300# RF

PIPE SIZE

A (NOTE 3)

D

3

9

1½

5¼

5¾

4

12

2

6¾

7

6

18

3

8 5/8

9¾

8

23

4

10 7/8

12

10

29

5

13 ¼

14 1/8

12

34

6

16

16 ½

14

35

8

17 5/8

19

16

38

10

20 1/8

21 1/8

18

41

12

21 ½

23 3/8

20

44

15

23 ¾

25 5/8

24

50

20

28 1/8

B

C (NOTE 2)

TO MATCH BORE

30 /8

NOTES: 1) All dimensions are in inches. 2) Dimension “C” shall be based on the bore schedule given in individual purchase description. The strainer shall fit shortly into the bore with ¼ Inch clearance between the bore and dimension “C”. 3) Dimension “A” is based on ISO percent minimum open area as compared to schedule 40 pipe.

TABLE – VI 150#RF

300#RF

600#RTJ

PIPE SIZE

A (NOTE 3)

D

3

4½

2

5¼

5¾

4

4½

2¾

6¾

7

6

6½

4

8 5/8

9¾

8

8

5 3/8

10 7/8

12

10

10

6¾

13 ¼

14 1/8

PER ANSI

12

12

8

16

16 ½

B16.20 (NOTE

14

12 ½

8 1/8

17 5/8

19

5)

16

14 ½

10 ¼

20 1/8

21 1/8

18

170

12

21 ½

23 3/8

20

18 ½

13

23 ¾

25 5/8

24

22 ½

16

28 1/8

B

C (NOTE 2)

TO MATCH BORE

30 /8

NOTES: 1) All dimensions are in inches. 2) Dimension “C” shall be based on the bore schedule given in individual purchase description. The strainer shall fit shortly into the bore with ¼ Inch clearance between the bore and dimension “c”. 3) Dimension “A” is based on ISO percent minimum open area as compared to schedule 40 pipe. 4) Dimension “B” for Ring joint construction shall equal the pitch diameter minus the groove width.

TABLE – VII PIPE SIZE

BODY OR FLANGE RATING 150#

300#

600#

150#

A (NOTE 3)

300#

600#

B (NOTE 3)

C (NOTE 4)

½

-

-

3 13/16

-

-

3½

½

¾

-

-

4 3/8

-

-

4¼

½

1

-

-

5 3/8

-

-

4 5/8

½

1½

-

-

6¼

-

-

5¾

½

2

8½

9

11

6 1/8

6 1/8

7 3/8

¾

3

11 13/15

12 9/16

13 ½

9

9

9¾

¾

4

14 ¼

14 5/8

17 15/16

11

11

13 3/8

¾

6

18 5/8

19 ¾

25 5/8

15 ½

15 ½

20

¾

8

24

25

31 ¾

16 ¼

16 ¼

24

¾

NOTES: 1) For details, see page 24. 2) All dimensions are in Inches. 3) Dimensions “A” and “B” are approximate and may be manufacturers standard. 4) Blow off connection “C” to be size indicated female (NPT) tapered pipe threads per ANSI B 2.11968, unless otherwise indicated in purchase description.

NOTES: 1) Tees and flanges shall be standard fittings. 2) Materials, wall thickness, flange and gasket type, and threadolet rating shall be specified in the individual purchase description. 3) Optional inlet and/or outlet flanges shall be provided as part of the tee-strainer assembly when specified in the individual purchase description. 4) Basket shall be type 316 Stainless Steel. Mesh opening per purchase description.

NOTE: 1) Optional hinge requirements will be given in the individual purchase descriptions.