ANSI & 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