ASME B16.25 : 2012
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
BUTTWELDING ENDS
Available format(s)
Hardcopy , PDF
Superseded date
07-12-2018
Superseded by
Language(s)
English
Published date
20-12-2012
Publisher
Important note : Users cannot be edited or removed once added to your Multi user PDF.
This Standard covers the preparation of buttwelding ends of piping components to be joined into a piping system by welding. It includes requirements for welding bevels, for external and internal shaping of heavy-wall components, and for preparation of internal ends (including dimensions and tolerances). Coverage includes preparation for joints with the following: no backing rings; split or noncontinuous backing rings; solid or continuous backing rings; consumable insert rings; gas tungsten arc welding (GTAW) of the root pass.
| DocumentType |
Standard
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| ISBN |
9780791834954
|
| Pages |
32
|
| PublisherName |
American Society of Mechanical Engineers
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| ASTM F 1201 : 1988 : R2010 | Standard Specification for Fluid Conditioner Fittings in Piping Applications Above 0°F |
| ASTM F 1985 : 1999 | Standard Specification for Pneumatic-Operated, Globe-Syle, Control Valves |
| API 594 RUSSIAN : 2004 | CHECK VALVES: FLANGED, LUG, WAFER AND BUTT-WELDING |
| DIN EN 16767:2016-08 | INDUSTRIAL VALVES - STEEL AND CAST IRON CHECK VALVES |
| API 591 RUSSIAN : 2008 | PROCESS VALVE QUALIFICATION PROCEDURE |
| NBR 15827 : 2014 | INDUSTRIAL VALVES FOR INSTALLATIONS OF EXPLORATION, PRODUCTION, REFINING AND TRANSPORT OF PETROL PRODUCTS - REQUIREMENTS FOR DESIGN AND PROTOTYPE TEST |
| ISO 27509:2012 | Petroleum and natural gas industries Compact flanged connections with IX seal ring |
| EN ISO 17292:2015 | Metal ball valves for petroleum, petrochemical and allied industries (ISO 17292:2015) |
| API 608 RUSSIAN : 2012 | METAL BALL VALVES - FLANGED, THREADED AND WELDING ENDS |
| ASME B16.49 : 2017 | FACTORY-MADE, WROUGHT STEEL, BUTTWELDING INDUCTION BENDS FOR TRANSPORTATION AND DISTRIBUTION SYSTEMS |
| ASTM A 134 : 1996 | Standard Specification for Pipe, Steel, Electric-Fusion (Arc)-Welded (Sizes NPS 16 and Over) |
| ASTM F 1794 : 1997 : R2004 | Standard Specification for Hand-Operated, Globe-Style Valves for Gas (Except Oxygen Gas), and Hydraulic Systems |
| ASTM F 1006 : 1986 : R2014 : EDT 1 | Standard Specification for Entrainment Separators for Use in Marine Piping Applications |
| ASME B31.4 : 2016 | PIPELINE TRANSPORTATION SYSTEMS FOR LIQUIDS AND SLURRIES |
| BS EN ISO 27509:2012 | Petroleum and natural gas industries. Compact flanged connections with IX seal ring |
| ASTM F 1794 : 1997 | Standard Specification for Hand-Operated, Globe-Style Valves for Gas (Except Oxygen Gas), and Hydraulic Systems |
| MSS SP 105 : 2016 | INSTRUMENT VALVES FOR CODE APPLICATIONS |
| ASTM A 134 : 1996 : R2012 | Standard Specification for Pipe, Steel, Electric-Fusion (Arc)-Welded (Sizes NPS 16 and Over) |
| EN ISO 14723:2009 | Petroleum and natural gas industries - Pipeline transportation systems - Subsea pipeline valves (ISO 14723:2009) |
| ISO 15761:2002 | Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries |
| ASTM F 1793 : 1997 : R2004 | Standard Specification for Automatic Shut-Off Valves (Also Known as Excess Flow Valves, EFV) for Air Or Nitrogen Service |
| EN 13942:2009 | Petroleum and natural gas industries - Pipeline transportation systems - Pipeline valves (ISO 14313:2007 modified) |
| UNE 27486:2014 | Civil shipbuilding and ship repairing. Selective list. Pipes and accessories: Steel pipe reducers (ASTM-ANSI) |
| UNE 27485:2014 | Civil shipbuilding and ship repairing. Selective list. Pipes and accessories: Steel pipe elbows (ASTM-ANSI) |
| EN ISO 10434:2004 | Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries (ISO 10434:2004) |
| MSS SP 65 : 2012 | HIGH PRESSURE CHEMICAL INDUSTRY FLANGES AND THREADED STUBS FOR USE WITH LENS GASKETS |
| ASTM F 1985 : 1999 : R2005 | Standard Specification for Pneumatic-Operated, Globe-Style, Control Valves |
| DIN EN ISO 17292:2016-05 | METAL BALL VALVES FOR PETROLEUM, PETROCHEMICAL AND ALLIED INDUSTRIES (ISO 17292:2015) |
| ASTM F 1006 : 1986 : R1997 | Standard Specification for Entrainment Separators for Use in Marine Piping Applications |
| ASTM F 1985 : 1999 : R2011 | Standard Specification for Pneumatic-Operated, Globe-Style, Control Valves |
| MSS SP 118 : 2007 | COMPACT STEEL GLOBE & CHECK VALVES - FLANGED, FLANGELESS, THREADED & WELDING ENDS (CHEMICAL & PETROLEUM REFINERY SERVICE) |
| ASTM F 1007 : 1986 : R1996 : EDT 1 | Standard Specification for Pipe-Line Expansion Joints of the Packed Slip Type for Marine Application |
| ASTM F 1795 : 2000 : R2006 | Standard Specification for Pressure-Reducing Valves for Air or Nitrogen Systems |
| ASTM F 1199 : 1988 : R2004 | Standard Specification for Cast (All Temperatures and Pressures) and Welded Pipe Line Strainers (150 psig and 150°F Maximum) |
| ASTM F 1007 : 1986 : R2002 | Standard Specification for Pipeline Expansion Joints of the Packed Slip Type for Marine Application |
| NFPA 15 : 2017 | WATER SPRAY FIXED SYSTEMS FOR FIRE PROTECTION |
| EN 16767:2016 | Industrial valves - Steel and cast iron check valves |
| BS EN 12627:2017 | Industrial valves. Butt welding ends for steel valves |
| ASTM A 134 : 1996 : R2001 | Standard Specification for Pipe, Steel, Electric-Fusion (Arc)-Welded (Sizes NPS 16 and Over) |
| ASTM F 1791 : 2000 | Standard Specification for Filters Used in Air or Nitrogen Systems |
| ASME B16.34 : 2017 | VALVES - FLANGED, THREADED, AND WELDING END |
| MSS SP 95 : 2014 | SWAGE(D) NIPPLES AND BULL PLUGS |
| ASTM F 1793 : 1997 : R2016 : EDT 1 | Standard Specification for Automatic Shut-Off Valves (Also Known as Excess Flow Valves, EFV) for Air or Nitrogen Service |
| API 574 : 2016 | INSPECTION PRACTICES FOR PIPING SYSTEM COMPONENTS |
| ISO 17292:2015 | Metal ball valves for petroleum, petrochemical and allied industries |
| ASTM F 1199 : 1988 : R1998 | Standard Specification for Cast (All Temperatures and Pressures) and Welded Pipe Line Strainers (150 psig and 150°F Maximum) |
| MSS SP 88 : 2015 | DIAPHRAGM VALVES |
| ASTM F 1199 : 1988 : R2015 | Standard Specification for Cast (All Temperatures and Pressures) and Welded Pipe Line Strainers (150 psig and 150°F Maximum) |
| API 605 : 4ED 88 | LARGE-DIAMETER CARBON STEEL FLANGES (NOMINAL PIPE SIZES 26 THROUGH 60; CLASSES 75, 150, 300, 400, 600 AND 900) |
| UNE 27487:2014 | Civil shipbuilding and ship repairing. Selective list. Pipes and accessories: Steel T pipe pieces(ASTM-ANSI) |
| ASTM F 1120 : 1987 : R1998 | Standard Specification for Circular Metallic Bellows Type Expansion Joints for Piping Applications |
| API 608 : 2012 | METAL BALL VALVES - FLANGED, THREADED, AND WELDING ENDS |
| API 599 : 2013 | METAL PLUG VALVES - FLANGED, THREADED, AND WELDING ENDS |
| API 603 : 2013 | CORROSION-RESISTANT, BOLTED BONNET GATE VALVES - FLANGED AND BUTT-WELDING ENDS |
| API 623 : 2013 | STEEL GLOBE VALVES - FLANGED AND BUTT-WELDING ENDS, BOLTED BONNETS |
| ASTM F 1794 : 1997 : R2010 | Standard Specification for Hand-Operated, Globe-Style Valves for Gas (Except Oxygen Gas), and Hydraulic Systems |
| ASTM A 134 : 1996 : R2005 | Standard Specification for Pipe, Steel, Electric-Fusion (Arc)-Welded (Sizes NPS 16 and Over) |
| ASTM F 1200 : 1988 : R2004 | Standard Specification for Fabricated (Welded) Pipe Line Strainers (Above 150 psig and 150°F) |
| ASME PV CODE 1 : 2017 | BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF POWER BOILERS |
| MSS SP 131 : 2017 | METALLIC MANUALLY OPERATED GAS DISTRIBUTION VALVES |
| ASME B31.1 : 2016 | POWER PIPING |
| ASTM F 1793 : 1997 : R2010 | Standard Specification for Automatic Shut-Off Valves (Also Known as Excess Flow Valves, EFV) for Air Or Nitrogen Service |
| ASTM F 1007 : 1986 : R2007 | Standard Specification for Pipeline Expansion Joints of the Packed Slip Type for Marine Application |
| MSS SP 99 : 2016 | INSTRUMENT VALVES |
| MIL V 13803 : E | VALVE, GATE, DOUBLE DISC, CAST IRON OR STEEL |
| ASTM F 1120 : 1987 : R2004 | Standard Specification for Circular Metallic Bellows Type Expansion Joints for Piping Applications |
| MIL-DTL-20064 Revision F:2014 | Valve, Nonferrous, for Use with Halogenated Refrigerants |
| API STD 600 : 2015 | STEEL GATE VALVES - FLANGED AND BUTT-WELDING ENDS, BOLTED BONNETS |
| ASTM F 2934 : 2012 : R2018 | Standard Specification for Circular Metallic Bellows Type Expansion Joint for HVAC Piping Applications |
| ASTM F 1201 : 1988 : R1998 | Standard Specification for Fluid Conditioner Fittings in Piping Applications Above 0°F |
| ASTM F 1199 : 1988 : R2010 | Standard Specification for Cast (All Temperatures and Pressures) and Welded Pipe Line Strainers (150 psig and 150°F Maximum) |
| ASTM F 1006 : 1986 : R2004 | Standard Specification for Entrainment Separators for Use in Marine Piping Applications |
| ISO 18139:2017 | Ships and marine technology — Globe valves for use in low temperature applications — Design and testing requirements |
| ASTM F 1200 : 1988 : R2016 | Standard Specification for Fabricated (Welded) Pipe Line Strainers (Above 150 psig and 150°F) |
| ASTM F 1201 : 1988 : R2004 | Standard Specification for Fluid Conditioner Fittings in Piping Applications Above 0°F |
| BS EN ISO 14723:2009 | Petroleum and natural gas industries. Pipeline transportation systems. Subsea pipeline valves |
| MIL-P-10388 Revision H:1990 | PIPE FITTING, ONE OR MORE ENDS GROOVED |
| ASTM F 1120 : 1987 : R2015 | Standard Specification for Circular Metallic Bellows Type Expansion Joints for Piping Applications |
| ASTM F 1200 : 1988 : R2010 | Standard Specification for Fabricated (Welded) Pipe Line Strainers (Above 150 psig and 150°F) |
| API 6D :2015 | SPECIFICATION FOR PIPELINE AND PIPING VALVES |
| API 599 RUSSIAN : 2013 | METAL PLUG VALVES - FLANGED, THREADED AND WELDING ENDS |
| ASTM F 1794 : 1997 : R2016 : EDT 1 | Standard Specification for Hand-Operated, Globe-Style Valves for Gas (Except Oxygen Gas) and Hydraulic Systems |
| NFPA 11 : 2016 | LOW-, MEDIUM-, AND HIGH-EXPANSION FOAM |
| ASTM F 1985 : 1999 : R2019 : EDT 1 | Standard Specification for Pneumatic-Operated, Globe-Style, Control Valves |
| BS EN ISO 10434:2004 | Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries |
| MIL-PRF-13803 Revision F:1996 | VALVE, GATE - DOUBLE-DISK, CAST-IRON OR STEEL |
| API 600 CHINESE : 2015 | STEEL GATE VALVES - FLANGED AND BUTT-WELDING ENDS, BOLTED BONNETS |
| ASTM F 1006 : 1986 : R2008 | Standard Specification for Entrainment Separators for Use in Marine Piping Applications |
| UNI EN 13942 : 2009 | PETROLEUM AND NATURAL GAS INDUSTRIES - PIPELINE TRANSPORTATION SYSTEMS - PIPELINE VALVES |
| ASTM F 1201 : 1988 : R2016 | Standard Specification for Fluid Conditioner Fittings in Piping Applications Above 0°F |
| EN 12627:2017 | Industrial valves - Butt welding ends for steel valves |
| BS EN 16767:2016 | Industrial valves. Steel and cast iron check valves |
| ISO 10631:2013 | Metallic butterfly valves for general purposes |
| UNE-EN 12627:1999 | Industrial valves - Butt welding ends for steel valves |
| BS EN ISO 17292:2015 | Metal ball valves for petroleum, petrochemical and allied industries |
| ASTM F 2934 : 2012 | Standard Specification for Circular Metallic Bellows Type Expansion Joint for HVAC Piping Applications |
| BS EN 13942:2009 | Petroleum and natural gas industries. Pipeline transportation systems. Pipeline valves |
| MSS SP 141 : 2012 | MULTI-TURN AND CHECK VALVE MODIFICATIONS |
| MIL-DTL-18436 Revision G:2017 | Valves, Check - Bronze -and Steel-Body |
| AWS G2.3M/G2.3 : 2012 | GUIDE FOR THE JOINING OF SOLID SOLUTION AUSTENITIC STAINLESS STEELS |
| ASTM F 1791 : 2000 : R2006 | Standard Specification for Filters Used in Air or Nitrogen Systems |
| ISO 10434:2004 | Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries |
| MSS SP 97 : 2012 | INTEGRALLY REINFORCED FORGED BRANCH OUTLET FITTINGS - SOCKET WELDING, THREADED, AND BUTTWELDING ENDS |
| ASTM F 1793 : 1997 | Standard Specification for Automatic Shut-Off Valves (Also Known as Excess Flow Valves, EFV) for Air Or Nitrogen Service |
| ASTM F 1120 : 1987 : R2010 | Standard Specification for Circular Metallic Bellows Type Expansion Joints for Piping Applications |
| UNE-EN ISO 17292:2016 | Metal ball valves for petroleum, petrochemical and allied industries (ISO 17292:2015) |
| BS ISO 7121:2016 | Steel ball valves for general-purpose industrial applications |
| ASME B16.9 : 2012 | FACTORY-MADE WROUGHT BUTTWELDING FITTINGS |
| EN ISO 15761:2002 | Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries (ISO 15761:2002) |
| ASME B31.3:2016 | PROCESS PIPING |
| ISO 14313:2007 | Petroleum and natural gas industries — Pipeline transportation systems — Pipeline valves |
| BS ISO 18139:2017 | Ships and marine technology. Globe valves for use in low temperature applications. Design and testing requirements |
| ISO 14723:2009 | Petroleum and natural gas industries — Pipeline transportation systems — Subsea pipeline valves |
| ISO 7121:2016 | Steel ball valves for general-purpose industrial applications |
| DIN EN ISO 10434:2005-01 | BOLTED BONNET STEEL GATE VALVES FOR THE PETROLEUM, PETROCHEMICAL AND ALLIED INDUSTRIES |
| BS ISO 10631:2013 | Metallic butterfly valves for general purposes |
| API 6DSS CHINESE : 2009 | SPECIFICATION FOR SUBSEA PIPELINE VALVES |
| API 603 RUSSIAN : 2013 | CORROSION-RESISTANT, BOLTED BONNET GATE VALVES - FLANGED AND BUTT-WELDING ENDS |
| ASTM F 1200 : 1988 : R1998 | Standard Specification for Fabricated (Welded) Pipe Line Strainers (Above 150 psig and 150°F) |
| ASME B16.5 : 2017 | PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD |
| BS 1414:1975 | Specification for steel wedge gate valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries |
| ASTM F 1791 : 2000 : R2013 | Standard Specification for Filters Used in Air or Nitrogen Systems |
| API 6DSS : 2017-08 | SPECIFICATION FOR SUBSEA PIPELINE VALVES |
| ASTM F 1795 : 2000 : R2013 | Standard Specification for Pressure-Reducing Valves for Air or Nitrogen Systems |
| MSS SP 42 : 2013 | CORROSION-RESISTANT GATE, GLOBE, ANGLE, AND CHECK VALVES WITH FLANGED AND BUTT WELD ENDS (CLASSES 150, 300, & 600) |
| ASTM F 1007 : 1986 : R2014 | Standard Specification for Pipeline Expansion Joints of the Packed Slip Type for Marine Application |
| BS EN ISO 15761:2002 | Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries |
| UNE-EN 16767:2017 | Industrial valves - Steel and cast iron check valves |
| NFPA 14 : 2016 | INSTALLATION OF STANDPIPE AND HOSE SYSTEMS |
| API 594 : 2017 | CHECK VALVES: FLANGED, LUG, WAFER, AND BUTT-WELDING |
| MIL-V-10386 Revision E:1977 | SWING, CAST-IRON AND STEEL |
| API 574 CHINESE : 2009 | INSPECTION PRACTICES FOR PIPING SYSTEM COMPONENTS |
| ASME PTB 2 : 2009 | GUIDE TO LIFE CYCLE MANAGEMENT OF PRESSURE EQUIPMENT INTEGRITY |
| ASTM F 1795 : 2000 | Standard Specification for Pressure-Reducing Valves for Air or Nitrogen Systems |
| API 591 : 2014 | PROCESS VALVE QUALIFICATION PROCEDURE |
| PIP PNC00005 : 2016 | DESIGN OF ASME B31.3 - METALLIC PIPING SYSTEMS |
| I.S. EN ISO 10434:2004 | BOLTED BONNET STEEL GATE VALVES FOR THE PETROLEUM, PETROCHEMICAL AND ALLIED INDUSTRIES |
| I.S. EN ISO 15761:2003 | STEEL GATE, GLOBE AND CHECK VALVES FOR SIZES DN 100 AND SMALLER, FOR THE PETROLEUM AND NATURAL GAS INDUSTRIES |
| API 6DSS REDLINE : 2009 | SPECIFICATION FOR SUBSEA PIPELINE VALVES |
| ASME B16.38 : 2012 : R2017 | LARGE METALLIC VALVES FOR GAS DISTRIBUTION - MANUALLY OPERATED, NPS 2[1/2] (DN 65) TO NPS 12 (DN 300), 125 PSIG (8.6 BAR) MAXIMUM |
| NASA SSTD 8070 0047 : 2016 | STANDARD FOR STAINLESS STEEL PIPING SYSTEMS AA, ACK1, ACK4, ACK6, B, BCK1, BCK3, BCK4, BCK6, BCK10, C, EE, G, H, JJ, K3, L1, L2, NCK1, NCK2, NCK3, NCK10, NCK11, P, R, T, AND Z |
| ASME B16.38 : 2012 | LARGE METALLIC VALVES FOR GAS DISTRIBUTION - MANUALLY OPERATED, NPS 2[1/2] (DN 65) TO NPS 12 (DN 300), 125 PSIG (8.6 BAR) MAXIMUM |
| API 608 CHINESE : 2012 | METAL BALL VALVES - FLANGED, THREADED, AND WELDING ENDS |
| PIP PLC00005 : 2016 | DESIGN OF ASME B31.8 METALLIC PIPELINE SYSTEMS WITHIN FACILITIES |
| I.S. EN ISO 17292:2015 | METAL BALL VALVES FOR PETROLEUM, PETROCHEMICAL AND ALLIED INDUSTRIES (ISO 17292:2015) |
| I.S. EN ISO 27509:2012 | PETROLEUM AND NATURAL GAS INDUSTRIES - COMPACT FLANGED CONNECTIONS WITH 9 SEAL RING (ISO 27509:2012) |
| ISA 75.08.04 : 2001 | FACE-TO-FACE DIMENSIONS FOR BUTTWELD-END GLOBE-STYLE CONTROL VALVES (CLASS 4500) |
| API 600 REDLINE : 2009 | STEEL GATE VALVES - FLANGED AND BUTT-WELDING ENDS, BOLTED BONNETS |
| API 594 REDLINE : 2010 | CHECK VALVES: FLANGED, LUG, WAFER, AND BUTT-WELDING |
| API 608 REDLINE : 2008 | METAL BALL VALVES - FLANGED, THREADED AND WELDING ENDS |
| PIP PNSM0110 : 2017 | PURCHASING REQUIREMENTS FOR VALVES |
| I.S. EN 12627:2017 | INDUSTRIAL VALVES - BUTT WELDING ENDS FOR STEEL VALVES |
| ASME B31.5 : 2016 | REFRIGERATION PIPING AND HEAT TRANSFER COMPONENTS |
| 12/30262118 DC | BS ISO 14313 - PETROLEUM AND NATURAL GAS INDUSTRIES - PIPELINE TRANSPORTATION SYSTEMS - PIPELINE VALVES |
| NASA SSTD 8070 0069 : 2008 | LOW PRESSURE VACUUM JACKETED PIPE |
| ISA 75.15 : 1994 | FACE-TO-FACE DIMENSIONS FOR BUTTWELD-END GLOBE-STYLE CONTROL VALVES (ANSI CLASSES 150, 300, 600, 900, 1500, AND 2500) |
| NASA SSTD 8070 0044 : 2012 | STANDARD FOR CARBON STEEL PIPING SYSTEMS |
| I.S. EN ISO 14723:2009 | PETROLEUM AND NATURAL GAS INDUSTRIES - PIPELINE TRANSPORTATION SYSTEMS - SUBSEA PIPELINE VALVES |
| PIP PNSM0115 : 2016 | PURCHASING REQUIREMENTS FOR PIPE |
| PIP PNSC0001 : 2014 | ASME B31.3 METALLIC PIPING FABRICATION AND EXAMINATION SPECIFICATION |
| PIP PNSM0116 : 2013 | PURCHASING REQUIREMENTS FOR FITTINGS AND FLANGES |
| ASME B31.12 : 2014 | HYDROGEN PIPING AND PIPELINES |
| API 594 CHINESE : 2004 | CHECK VALVES: FLANGED, LUG, WAFER AND BUTT-WELDING |
| I.S. EN 13942:2009 | PETROLEUM AND NATURAL GAS INDUSTRIES - PIPELINE TRANSPORTATION SYSTEMS - PIPELINE VALVES |
| I.S. EN 16767:2016 | INDUSTRIAL VALVES - STEEL AND CAST IRON CHECK VALVES |
| ASME B31.3 SPANISH : 2010 | PROCESS PIPING |
| API 591 REDLINE : 2008 | PROCESS VALVE QUALIFICATION PROCEDURE |
| ISA 75.08.04 : 2001 : R2007 | FACE-TO-FACE DIMENSIONS FOR BUTTWELD-END GLOBE-STYLE CONTROL VALVES (CLASS 4500) |
| API 600 RUSSIAN : 2009 | STEEL GATE VALVES - FLANGED AND BUTT-WELDING ENDS, BOLTED BONNETS |
| PFI ES 49 : 0 | GUIDELINES FOR INSTALLATION OF INTEGRALLY REINFORCED BRANCH CONNECTION OUTLET FITTINGS |
| API 574 REDLINE : 2009 | INSPECTION PRACTICES FOR PIPING SYSTEM COMPONENTS |
| ASME B16.28 : 1994 | WROUGHT STEEL BUTT-WELDING SHORT RADIUS ELBOWS AND RETURNS |
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