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Piping Codes and Standards

Piping codes and standards

The following codes and standards shall be used together with this standard specification for
materials, design and dimensional requirements.
American National Standard Institute (ANSI)
American Society of Mechanical Engineers (ASME)
ASME B 31.1 Power piping
ASME B 31.3 Process Piping for Petroleum refineries, Chemical,
Pharmaceutical, Textile, Paper, Semiconductor & Cryogenic plant
ASME B 31.4 Piping generally used for transporting & distributing liquid Hydrocarbons & other liquids
ASME B 31.5 Refrigeration piping.
ASME B 31.8 Piping generally used for transporting & distributing Gases.
ASME B 31.9 Building services
ASME B 31.11 Slurry transportation piping system
ASME B 16.5 Pipe Flanges and Flanged Fittings NPS ½ Trough NPS 24
ASME B 16.9 Factory-Made Wrought Steel Buttwelding Fittings
ASME B 16.10 Face-to-Face and End-to-End Dimensions of Valves
ASME B 16.11 Forged Fittings, Socket- Welding and Threaded.
ANSI B 16.14 Ferrous Pipe Plugs, Bushing and Locknuts with Pipe Threads
ASME B 16.20 Metallic Gaskets for Pipe Flanges- Ring-Joint, Spiral- Wound, and Jacketed
ASME B 16.21 Nonmetallic Flat Gaskets for Pipe Flanges
ASME B 16.25 Buttwelding Ends
ASME B 16.28 Wrought Steel Buttwelding Short Radius Elbows
ASME B 16.34 Valves – Flanged, Threaded, and Welding End
ASME B 16.36 Orifice Flanges.
ASME B 16.47a Large Diameter Steel Flanges NPS 26 Through NPS 60
ANSI B 18.2.1 Square and Hex Bolts and Screws (Inch Series)
ANSI B 18.2.2 Square and Hex nuts (Inch Series)
ASME B 36.10M Welded and Seamless Wrought Steel Pipe
ASME B 36.19M Stainless Steel Pipe

American Petroleum Institute (API)
API SPEC 5L Specification for Line Pipe
API STD 594 Check Valves: Wafer, Wafer-Lug, and Double Flanged Type
API STD 598 Valve Inspection and Testing
API STD 600 Steel Gate Valves- Flanged and Butt-welding Ends,
Bolted and Pressure Seal Bonnets
API STD 602 Compact Steel Gate Valves- Flanged, Threaded, Welding, and Extended- Body Ends
API STD 609 Butterfly Valves: Double Flanged, Lug-and wafer Type
Manufacturers standardizations society-standard practice
MSS SP-6 Standard Finishes for Contact Faces of Pipe Flanges and
Connecting-End Flanges of Valves and Fittings
MSS SP-25 Standard Marking Systems for Valves, Fittings, Flanges & Union
MSS SP-45 Bypass and Drain Connections
MSS SP-61 Pressure Testing of Steel Valves
MSS SP-67 Butterfly Valves
MSS SP-75 Specification for High Test Wrought Butt Welding Fittings
MSS SP-82 Valve Pressure Testing Methods
MSS SP-95 Swadged Nipples and Bull Plugs
MSS SP-97 Integrally Reinforced Forged Branch Outlet Fittings-
Socket welding, Threaded and Buttwelding Ends
American Society for Testing and Materials (ASTM)
ASTM Section II A Volume 1 & 2
ASTM Section V
ASTM Section VIII Division 1 & 2
British Standards (BS)
BS 5351-Steel ball valves for petroleum, petrochemical & allied industries
BS 5352-Specifications for steel wedge gate, globe & check valves 50 mm& smaller for petroleum, petrochemical & allied industries
BS 5353-Steel plug valves
BS 1873-Steel globe & globe stop & check valves (Flanged & butt-weldedends) for petroleum, petrochemical & allied industries
BS 6755 (Part 1&2)-Testing of Valves

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One comment

  1. Arista Yudistira

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