Mss Sp 130 (13)

MSS SP-130-2013

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Bellows Seals for Instrument Valves

Standard Practice Developed and Approved by the Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. 127 Park Street, NE Vienna, Virginia 22180-4602 Phone: (703) 281-6613 Fax: (703) 281-6671 E-mail: [email protected]

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MSS

®

www.mss-hq.org

MSS

STANDARD PRACTICE

SP-130

This MSS Standard Practice was developed under the consensus of the MSS Technical Committee 115 and the MSS Coordinating Committee. The content of this Standard Practice is the resulting efforts of competent and experienced volunteers to provide an effective, clear, and non-exclusive standard that will benefit the industry as a whole. This MSS Standard Practice describes minimal requirements and is intended as a basis for common practice by the manufacturer, the user, and the general public. The existence of an MSS Standard Practice does not in itself preclude the manufacture, sale, or use of products not conforming to the Standard Practice. Mandatory conformance to this Standard Practice is established only by reference in other documents such as a code, specification, sales contract, or public law, as applicable. MSS has no power, nor does it undertake, to enforce or certify compliance with this document. Any certification or other statement of compliance with the requirements of this Standard Practice shall not be attributable to MSS and is solely the responsibility of the certifier or maker of the statement. “Unless indicated otherwise within this MSS Standard Practice, other standards documents referenced to herein are identified by the date of issue that was applicable to this Standard Practice at the date of approval of this MSS Standard Practice (see Annex B). This Standard Practice shall remain silent on the validity of those other standards of prior or subsequent dates of issue even though applicable provisions may not have changed.” By publication of this Standard Practice, no position is taken with respect to the validity of any potential claim(s) or of any patent rights in connection therewith. MSS shall not be held responsible for identifying any patent rights. Users are expressly advised that determination of patent rights and the risk of infringement of such rights are entirely their responsibility. In this Standard Practice, all text, notes, annexes, tables, figures, and references are construed to be essential to the understanding of the message of the standard, and are considered normative unless indicated as “supplemental”. All appendices, if included, that appear in this document are construed as “supplemental”. Note that supplemental information does not include mandatory requirements. U.S. customary units in this Standard Practice are the standard; the SI (metric) units are for reference only. Substantive changes in this 2013 edition are “flagged” by parallel bars as shown on the margins of this paragraph. The specific detail of the change may be determined by comparing the material flagged with that in the previous edition. Non-toleranced dimensions in this Standard Practice are nominal unless otherwise specified. Excerpts of this Standard Practice may be quoted with permission. Credit lines should read ‘Extracted from MSS SP-130-2013 with permission of the publisher, Manufacturers Standardization Society of the Valve and Fittings Industry.'. Reproduction and/or electronic transmission or dissemination is prohibited under copyright convention unless written permission is granted by the Manufacturers Standardization Society of the Valve and Fittings Industry Inc. All rights reserved. Originally Approved: September 2003 Originally Published: November 2003 Current Version Approved: May 2013 Current Version Published: May 2013 MSS is a registered trademark of Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. Copyright ©, 2013 by Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. Printed in U.S.A.

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MSS

STANDARD PRACTICE

SP-130

TABLE OF CONTENTS SECTION 1 2 3 4 5

PAGE

SCOPE .................................................................................................................................................. 1 DESIGN ................................................................................................................................................ 1 INSPECTION AND TEST ................................................................................................................... 3 SHIPPING INFORMATION ................................................................................................................ 4 ORDERING INFORMATION ............................................................................................................. 4

TABLE 1 2

Bellows Cycle-Life Categories ................................................................................................................ 2 Bellows Leak-Rate Categories ................................................................................................................ 4

FIGURE 1

Typical Bellows Assembly ................................................................................................................. 3

ANNEX A B

Definitions ........................................................................................................................................... 5 Referenced Standards and Applicable Dates ....................................................................................... 6

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MSS

STANDARD PRACTICE

SP-130

BELLOW SEALS FOR INSTRUMENT VALVES 1. SCOPE specification shall apply to the bellows seal assembly.

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1.1 This Standard Practice provides requirements for design, materials, fabrication, installation, qualification, examination, testing, and shipment of convoluted metal bellows or bellows assemblies to be installed in linear, actuated valves and manifolds. It covers steel and alloy valves of NPS 1 and smaller and pressure ratings of 10,000 psi (70 MPa) and lower at 100 °F (38 °C). This Standard Practice is not intended to define or limit designs, construction, performance, envelope dimensions, or valve types.

2.2

2.2.1 Bellows seals shall comply with the same pressure-temperature requirements as those listed for valves in ASME B16.34, ASME B31.1, ASME B31.3, MSS SP-99, MSS SP-105, or other parent specifications. The bellows shall cycle satisfactorily at the parent valve 100 °F (38 °C) rating. The valve manufacturer shall have the option to de-rate the bellows seal to some lower pressure scheme at elevated temperature than the pressure-temperature rating of the parent valve. The manufacturer shall have the option to apply an elevated temperature limit due to the bellows limitations. The valve manufacturer shall provide published ratings when a de-rated pressure-temperature scheme for the bellows applies.

1.2 The application of valve type, size, rating, materials of construction, and suitability for the service is the responsibility of the purchaser and is outside the scope of this Standard Practice. 1.3 The manufacturer shall provide pressure ratings for temperatures above 100 °F (38 °C). This temperature is the temperature of the pressure-containing shell of the component. In general the temperature is the same as that of the contained fluid. Use of a pressure rating corresponding to a temperature other than that of the contained fluid is the responsibility of the user, subject to the requirements of applicable codes and regulations.

2.3 2.3.1

Materials Acceptable bellows materials are:

a) Stainless Steel Types 321, 316, 316L: ASTM A240 and A312/A312M b) Stainless Steel Types 304 and 304L: ASTM A240 and A312/A312M

2. DESIGN 2.1

Pressure-Temperature Ratings

c) Stainless Steel Type 347: ASTM A240 and A312/A312M

General

d) Alloy 600: ASTM B168 and B167

2.1.1 The purpose of the bellows seal is to provide a metal barrier between the stem at its point of entry through the pressure boundary and the process fluid within the valve to reduce stem leakage to nearly undetectable limits. The bellows seal shall be designed to act as a pressure seal equivalent to conventional pressure boundary components such as packings or O-rings.

e) Alloy 625: ASTM B443 f)

Alloy 718: ASTM B670

g) Alloy 400: ASTM B127 and B165 h) Alloy C22: ASTM B575 and B622 i)

Alloy C276: ASTM B575 and B622

NOTE: Other materials than those listed above are acceptable for use as agreed upon by the manufacturer and user.

2.1.2 Except as specifically noted herein, the rules governing the design of all other valve components found in the parent-valve

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STANDARD PRACTICE 2.5

2.3.2 Acceptable materials for the bellows end attachment, including rings, caps or flanges (if utilized) are:

2.5.2 The bellows or an intermediate component welded to the end of the bellows at the moving end shall be attached to the stem by welding. A mechanical connection between the stem and the bellows is not permitted.

b) Stainless Steel Types 304 and 304L: ASTM A276 and A479/A479M c) Stainless Steel Type 347: ASTM A276 and A479/A479M d) Alloy 600: ASTM B564

2.6

e) Alloy 625: ASTM B446 Alloy 718: ASTM B637

Alloy C276: ASTM B574

2.7

NOTE: Other materials than those listed above are acceptable for use as agreed upon by the manufacturer and user.

Bellows Axial Movement

2.7.1 Appropriate stops shall be included in the valve design by the valve manufacturer to prevent compression or extension of the bellows beyond that qualified by the cyclelife test.

2.3.3 The bellows, bellows end attachment, and stem-attachment point shall be weld compatible and have no negative effect on the bellows' corrosion resistance. 2.4

Fixed Connection

2.6.1 The bellows' fixed end shall be welded to the body, to the bonnet, or to a flange clamped or welded between the body and the bonnet. A mechanical connection to the bellows is not permitted.

g) Alloy 400: ASTM B164 and B564 h) Alloy C22: ASTM B574 i)

Stem Connection

2.5.1 Torsional loads to the bellows shall be minimized or prevented.

a) Stainless Steel Types 321, 316, and 316L: ASTM A276 and A479/A479M

f)

2.8

Bellows Fabrication

Bellows Cycle-Life

2.8.1 A cycle is defined as fully opened, to fully closed, to fully open. The bellows design shall be qualification tested in accordance with the following table, unless otherwise specified by the valve manufacturer and user.

2.4.1 A bellows may be constructed by forming convolutions on butt welded tube or drawn tube. Forming of convolutions may be accomplished either mechanically or hydraulically, or by any other suitable manufacturing method.

TABLE 1 Bellows Cycle-Life Categories

2.4.2 Tube may be single or multi-ply. Butt welds on multi-ply bellows shall be equally spaced (180° for two-ply or 120° for three-ply). Precautions shall be taken in the fabrication of multi-ply bellows to prevent moisture or other contamination between the plies.

Category

2.4.3 Appropriate design features shall be included to prevent distortion of the bellows and to prevent localized contact between the bellows convolutions, valve body or stem, or both.

Minimum Cycle-Life

A

2,000

B

5,000

C

25,000

D

100,000

E

1,000,000

2.8.2 The suitability of the bellows assembly design shall be demonstrated by means of prototype testing upon representative samples, as qualified per Section 3.1. See Figure 1 for an illustration of a typical bellows assembly. 2

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SP-130

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MSS

MSS

STANDARD PRACTICE

SP-130

A change in overall length or number of convolutions may not require requalification provided that the percentage of bellows movement in both compression and extension is the same or less than that of originally qualified bellows where: Mc = (L1 – Lc) x 100 / L1 Me = (Le – L1) x 100 / L1 Where: Mc = the percent of movement in compression L1 = the live length Lc = the compressed length

FIGURE 1 Typical Bellows Assembly 2.9

Me = the percent of movement in extension Le = the extended length

Bellows Welding

2.9.1 All welding of the bellows and bellows attachments' shall be performed by qualified operators using qualified procedures. All welding qualifications shall be per ASME Boiler and Pressure Vessel Code, Section IX or ASME B31.3, Chapter X.

3.1.3 After welding a bellows to stem and fixed connections and prior to qualification testing, each bellows assembly shall be outboard helium leak-tested and shall not exceed 10-4 cc/sec He or as permitted by the parent valve specification.

2.9.2 Bellows welds and bellows attachment welds, if not attached directly to the valve body or bonnet, are excluded from heat treatment requirements of the parent specifications. Heat treatment may have a detrimental effect on the cycle life of the bellows.

3.1.4 Prior to cycle testing, each bellows assembly shall be hydrostatically pressure tested at 1.5 times the 100 °F (38 °C) valve design-pressure. Each bellows assembly shall be fixed at the length where the valve is in the opened position as required in normal valve shell tests. Water used for testing of stainless steel bellows assemblies shall contain less than 100 ppm chlorides. No visible leakage permitted.

2.9.3 The bellows material shall be free of weld repair. 3. INSPECTION AND TEST 3.1

3.1.5 Valves incorporating stem packings shall have the packing removed for purposes of the cycle life/leakage testing. If packings must be left in place, the leakage measurements shall be taken from a test port on the pressure side of the packing.

Bellows Design Qualification-Testing

3.1.1 The bellows assembly shall be cyclelife tested in an assembled valve at rated operating pressure and ambient temperature.

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3.1.2 Any variation that constitutes a change in basic design parameters that affects cycle life of the bellows shall require requalification by cycle testing (e.g., change in stroke, bellows supplier, material specification, number of plies, wall thickness, or dimensions.

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3.1.6 The frequency of cycling shall take into consideration excessive heat that can be generated by abnormally fast cycling.

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MSS

STANDARD PRACTICE 4. SHIPPING INFORMATION

3.1.7 Cycling shall be carried out at ambient temperature and at the 100 °F (38 °C) rated pressure of the bellows. The pressure shall be applied in a manner to simulate normal valve shell tests (see Table 1).

4.1 Each bellows assembly shall be cleaned, dried, and packaged to prevent moisture or contamination damage. 4.2 Each bellows assembly shall be individually packaged to minimize damage during handling or in transit.

3.1.8 A minimum of seven bellows of each basic design and material selected at random from those produced using the typical production manufacturing processes shall be cycled to achieve the appropriate minimum cycle-life requirement designated in Section 2.8.1. This will give a reliability of 90% with a 50% confidence level.

4.3 Each bellows assembly, if practical, shall be marked to insure proper identification of the material. If it is impractical to mark each assembly, each package shall be so marked.

3.1.9 After completing the life-cycle tests, each bellows shall be outboard leak tested and exhibit no detectable leakage. Leak testing can be air-under-water at a minimum of 80 psig (5.5 kPa), or by an instrument with a sensitivity of 10-6 cc/sec He used in the sniffer mode and not exceeding 10-4 cc/sec He, or as permitted by the parent valve specification.

4.4 Material certification of conformance for the bellows and end attachments is required to be furnished by the bellows manufacturer for each shipment. 5. ORDERING INFORMATION 5.1 If the valve manufacturer needs a bellows seal that deviates from this Standard Practice, it is the valve manufacturer's responsibility to clearly define such deviation and to furnish information to permit the bellows manufacturer to complete the order.

3.1.10 For valves tested to comply with the Clean Air Act Fugitive Emissions Limitations, the leakage data shall be shown as methane equivalent ppm. Background leakage shall be recorded prior to testing valves per Table 2.

5.2 If no exceptions are to be taken to this Standard Practice, the bellows purchase order need only make reference to MSS SP-130 and specify the following items:

TABLE 2 Bellows Leak-Rate Categories Class

Allowable Leakage in PPM CH4

A

100 PPM

B

500 PPM

3.1.11 Cycle-life testing documented and available. 3.2

data

a) Pressure class or pressure-temperature rating (see Section 2.2.1). shall

b) Cycle-life category (see Section 2.8.1). c) Leak-rate category, if applicable (see Section 3.1.10).

be

Production Testing

d) Any special packaging requirements. e) Any special inspection requirements.

3.2.1 Bellows and bellows assemblies shall be leak tested by a suitable method and exhibit no detectable leakage.

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SP-130

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MSS

STANDARD PRACTICE

SP-130

ANNEX A Definitions

The following are definitions of terms used in this Standard Practice. Other definitions may be found in MSS SP-96. TERMS

DEFINITION

Bellows assembly

A combination of two or more components, one of which is the bellows and the other an end attachment and/or a stem.

Bellows end attachments

Rings, caps or flanges welded to either end of the bellows to provide attachment to the valve body or stem.

Bellows, hydraulically formed

Bellows made by applying hydraulic pressure internally to a tube, generally forming all convolutions simultaneously and collapsed between a series of dies.

Bellows, mechanically formed

Bellows corrugated individually and consecutively on a tube by rotating tools and/or elastomeric dies.

Convolution

A single corrugation formed on the tube. One or more convolutions form a bellows.

Cycle life

The estimated life of a bellows in terms of the number of movements it is capable of providing at a specific pressure, temperature and axial stroke without any sign of failure.

Live length

The pitch times the number of active convolutions.

Overall length

The total length of the bellows, including end attachments.

Stroke

Compression from free length plus extension from free length.

Wall thickness

The wall thickness of the original tube from which the bellows is formed. It is the total wall thickness for multi-ply bellows.

Free Length

Total end-to-end dimension of the complete unloaded bellows assembly.

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This Annex is an integral part of this Standard Practice and is placed after the main text for convenience.

MSS

STANDARD PRACTICE

SP-130

ANNEX B Referenced Standards and Applicable Dates

This Annex is an integral part of this Standard Practice and is placed after the main text for convenience. Standard Name

Description

ASME; ANSI/ASME

ASTM A240/A240M-12a A269-10 A276-10 A312/A312M-12a A479/A479M-12 A632-04(2009) B127-05(2009) B164-03(2008) B165-05(2009) B166-11 B167-11

B168-11 B443-00(2009) B446-03(2008)e1 B564-11 B574-10

Valves – Flanged, Threaded and Welding End Power Piping Process Piping Standard Specification for: Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications Seamless and Welded Austenitic Stainless Steel Tubing for General Service Stainless Steel Bars and Shapes Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service Nickel-Copper Alloy (UNS N04400) Plate, Sheet, and Strip Nickel-Copper Alloy Rod, Bar, and Wire Nickel-Copper Alloy (UNS N04400)* Seamless Pipe and Tube Nickel-Chromium-Iron Alloys (UNS N06600, N06601, N06603, N06690, N06693, N06025, N06045 and N06696)*, Nickel-Chromium-Cobalt-Molybdenum Alloy (UNS N06617), and Nickel-Iron-Chromium-Tungsten Alloy (UNS N06674) Rod, Bar, and Wire Nickel-Chromium-Iron Alloys (UNS N06600, NO6601, NO6603, NO66930, NO6693, NO6025, N06045, and N06696)*, Nickel-Chromium-Cobalt-Molybdenum Alloy UNS N06617), and Nickel-Iron-Chromium-Tungsten Alloy (UNS N06674) Seamless Pipe and Tube Nickel-Chromium-Iron Alloys (UNS N06600, N06601, N06603, N06690, N06693, N06025, N06045, and N06696), Nickel-Chromium-Cobalt-Molybdenum Alloy (UNS N06617), and Nickel-Iron-Chromium-Tungsten Alloy (UNS N06674) Plate, Sheet, and Strip Nickel-Chromium-Molybdenum-Columbium Alloy (UNS N06625) and Nickel-ChromiumMolybdenum-Silicon Alloy (UNS N06219)* Plate, Sheet, and Strip Nickel-Chromium-Molybdenum-Columbium Alloy (UNS N06625), Nickel-ChromiumMolybdenum-Silicon Alloy (UNS N06219), and Nickel-Chromium-MolybdenumTungsten Alloy (UNS N06650)* Rod and Bar Nickel Alloy Forgings Low-Carbon Nickel-Molybdenum-Chromium, Low-Carbon Nickel-ChromiumMolybdenum, Low Carbon Nickel-Molybdenum-Chromium-Tantalum, Low-Carbon Nickel-Chromium-Molybdenum-Copper, and Low-Carbon Nickel-ChromiumMolybdenum-Tungsten Alloy Rod 6

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B16.34-2013 B31.1-2012 B31.3-2012

MSS

STANDARD PRACTICE

SP-130

ANNEX B (Continued) Referenced Standards and Applicable Dates This Annex is an integral part of this Standard Practice and is placed after the main text for convenience. Standard Name ASTM B575-10

B622-10 B637-12e1 B670-07(2013) MSS SP-96-2011 SP-99-2010 SP-105-2010 SP-117-2011

Description Standard Specification for: Low-Carbon Nickel-Molybdenum-Chromium, Low-Carbon Nickel-ChromiumMolybdenum, Low-Carbon Nickel-Chromium-Molybdenum-Copper, Low-Carbon NickelMolybdenum-Chromium-Tantalum, Low-Carbon Nickel-Chromium-MolybdenumTungsten and Low-Carbon Nickel-Molybdenum-Chromium Alloy Plate, Sheet, and Strip Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High-Temperature Service Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for HighTemperature Service Guidelines on Terminology for Valves and Fittings Instrument Valves Instrument Valves for Code Applications Bellow Seals for Globe and Gate Valves

ANSI

American National Standards Institute, Inc. 25 West 43rd Street, Fourth Floor New York, NY 10036-7406

ASME

American Society of Mechanical Engineers (ASME International) Two Park Avenue New York, NY 10016-5990

ASTM

ASTM International 100 Barr Harbor Drive, P.O. Box C700 West Conshohocken, PA 19428-2959

MSS

Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. 127 Park Street, NE Vienna, VA 22180-4602

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The following organizations appear in the above list.

SP-58-2009 SP-60-2012 SP-61-2013 SP-65-2012 SP-67-2011 SP-68-2011 SP-69-2003 SP-70-2011 SP-71-2011 SP-72-2010a SP-75-2008 SP-78-2011 SP-79-2011 SP-80-2013 SP-81-2013 SP-83-2006 SP-85-2011 SP-86-2009 SP-87-1991 SP-88-2010 SP-91-2009 SP-92-2012 SP-93-2008 SP-94-2008 SP-95-2006 SP-96-2011 SP-97-2012 SP-98-2012 SP-99-2010 SP-100-2009 SP-101-1989 SP-102-1989 SP-104-2012 SP-105-2010 SP-106-2012 SP-108-2012 SP-109-2012 SP-110-2010 SP-111-2012 SP-112-2010 SP-113-2012 SP-114-2007 SP-115-2010 SP-116-2011 SP-117-2011 SP-119-2010 SP-120-2011 SP-121-2006 SP-122-2012 SP-123-2013 SP-124-2012 SP-125-2010 SP-126-2013 SP-127-2001 SP-128-2012 SP-129-2003 SP-130-2013 SP-131-2010 SP-132-2010 SP-133-2010 SP-134-2012 SP-135-2010 SP-136-2007 SP-137-2013 SP-138-2009 SP-139-2010 SP-140-2012 SP-141-2012 SP-142-2012 SP-143-2012 SP-144-2013 SP-145-2013

Listing of MSS Standard Practices (as of May, 2013) Standard Finishes for Contact Faces of Pipe Flanges and Connecting-End Flanges of Valves and Fittings Spot Facing for Bronze, Iron, and Steel Flanges Standard Marking System for Valves, Fittings, Flanges, and Unions Corrosion-Resistant Gate, Globe, Angle, and Check Valves with Flanged and Butt Weld Ends (Classes 150, 300 & 600) Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications Steel Pipeline Flanges (incl. 2011 Errata Sheet) (R 2008) Bypass and Drain Connections Class 150LW Corrosion Resistant Flanges and Cast Flanged Fittings Quality Standard for Steel Castings and Forgings for Valves, Flanges, Fittings, and Other Piping Components – Magnetic Particle Examination Method Quality Standard for Steel Castings and Forgings for Valves, Flanges, Fittings, and Other Piping Components – Radiographic Examination Method Quality Standard for Steel Castings for Valves, Flanges, Fittings, and Other Piping Components – Visual Method for Evaluation of Surface Irregularities (ANSI-approved American National Standard) Pipe Hangers and Supports – Materials, Design, Manufacture, Selection, Application, and Installation (incorporates content of SP-69, 77, 89, and 90) (ANSI-approved American National Standard) Connecting Flange Joints between Tapping Sleeves and Tapping Valves Pressure Testing of Valves High Pressure Chemical Industry Flanges and Threaded Stubs for Use with Lens Gaskets Butterfly Valves High Pressure Butterfly Valves with Offset Design Pipe Hangers and Supports – Selection and Application (ANSI-approved American National Standard) Gray Iron Gate Valves, Flanged and Threaded Ends Gray Iron Swing Check Valves, Flanged and Threaded Ends (incl. 2013 Errata Sheet) Ball Valves with Flanged or Butt-Welding Ends for General Service Specification for High-Test, Wrought, Butt-Welding Fittings Gray Iron Plug Valves, Flanged and Threaded Ends Socket Welding Reducer Inserts Bronze Gate, Globe, Angle, and Check Valves Stainless-Steel or Stainless-Steel-Lined, Bonnetless, Knife Gate Valves with Flanged Ends Class 3000 Steel Pipe Unions Socket Welding and Threaded Gray Iron Globe & Angle Valves, Flanged and Threaded Ends Guidelines for Metric Data in Standards for Valves, Flanges, Fittings, and Actuators (Incl. 2011 Errata Sheet) (R 1996 – Reinstated 2011) Factory-Made Butt-Welding Fittings for Class I Nuclear Piping Applications Diaphragm Valves Guidelines for Manual Operation of Valves MSS Valve User Guide Quality Standard for Steel Castings and Forgings for Valves, Flanges, Fittings, and Other Piping Components – Liquid Penetrant Examination Method Quality Standard for Ferritic and Martensitic Steel Castings for Valves, Flanges, Fittings, and Other Piping Components – Ultrasonic Examination Method Swage(d) Nipples and Bull Plugs Guidelines on Terminology for Valves and Fittings Integrally Reinforced Forged Branch Outlet Fittings – Socket Welding, Threaded, and Buttwelding Ends Protective Coatings for the Interior of Valves, Hydrants, and Fittings Instrument Valves Qualification Requirements for Elastomer Diaphragms for Nuclear Service Diaphragm Valves (R 2001) Part-Turn Valve Actuator Attachment – Flange and Driving Component Dimensions and Performance Characteristics (R 2001) Multi-Turn Valve Actuator Attachment – Flange and Driving Component Dimensions and Performance Characteristics Wrought Copper Solder-Joint Pressure Fittings Instrument Valves for Code Applications Cast Copper Alloy Flanges and Flanged Fittings: Class 125, 150, and 300 Resilient-Seated Cast Iron Eccentric Plug Valves Weld-Fabricated Copper Solder-Joint Pressure Fittings (incl. 2012 Errata Sheet) Ball Valves Threaded, Socket-Welding, Solder Joint, Grooved and Flared Ends (incl. 2010 Errata Sheet) Gray-Iron and Ductile-Iron Tapping Sleeves Quality Standard for Evaluation of Cast Surface Finishes – Visual and Tactile Method. This SP must be used with a 10-surface, three dimensional Cast Surface Comparator, which is a necessary part of the standard. Additional Comparators available separately. Connecting Joints between Tapping Machines and Tapping Valves Corrosion Resistant Pipe Fittings Threaded and Socket Welding Class 150 and 1000 (ANSI-approved American National Standard) Excess Flow Valves, 1¼ NPS and Smaller, for Fuel Gas Service Service-Line Valves and Fittings for Drinking Water Systems Bellows Seals for Globe and Gate Valves Factory-Made Wrought Belled End Pipe Fittings for Socket-Welding Flexible Graphite Packing System for Rising Stem Valves – Design Requirements Qualification Testing Methods for Stem Packing for Rising Stem Steel Valves Plastic Industrial Ball Valves Non-Ferrous Threaded and Solder-Joint Unions for Use with Copper Water Tube Fabricated Tapping Sleeves Gray Iron and Ductile Iron In-Line, Spring-Loaded, Center-Guided Check Valves In-Line, Spring-Assisted, Center-Guided Check Valves (Carbon, Alloy Steel, Stainless Steel, & Nickel Alloys) Bracing for Piping Systems Seismic-Wind-Dynamic Design, Selection, Application Ductile Iron Gate Valves (R 2007) Copper-Nickel Socket-Welding Fittings and Unions Bellows Seals for Instrument Valves Metallic Manually Operated Gas Distribution Valves Compression Packing Systems for Instrument Valves Excess Flow Valves for Low Pressure Fuel Gas Appliances Valves for Cryogenic Service, including Requirements for Body/Bonnet Extensions High Pressure Knife Gate Valves Ductile Iron Swing Check Valves Quality Standard for Positive Material Identification of Metal Valves, Flanges, Fittings, and Other Piping Components Quality Standard Practice for Oxygen Cleaning of Valves & Fittings Copper Alloy Gate, Globe, Angle, and Check Valves for Low Pressure/Low Temperature Plumbing Applications Quality Standard Practice for Preparation of Valves and Fittings for Silicone-Free Service Multi-Turn and Check Valve Modifications Excess Flow Valves for Fuel Gas Service, NPS 1½ through 12 Live-Loaded Valve Stem Packing Systems Pressure Seal Bonnet Valves Metal Ball Valves for Low Pressure/Low Temperature Plumbing Applications

(R YEAR) Indicates year reaffirmed • Price List Available Upon Request • MSS is an ANSI-accredited American National Standards developer

Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. 127 Park Street, NE, Vienna, VA 22180-4620 • (703) 281-6613 • Fax # (703) 281-6671

Copyright MSS Provided by IHS under license with MSS No reproduction or networking permitted without license from IHS

MSS-IHS Licensee=BP SP-130-2013 International/5928366101 Not for Resale, 09/06/2013 10:48:37 MDT

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TITLE SP-6-2012 SP-9-2013 SP-25-2008 SP-42-2013 SP-43-2013 SP-44-2010 SP-45-2003 SP-51-2012 SP-53-2012 SP-54-2013 SP-55-2011