PIPING

API STD 594

Check Valves: Flanged, Lug, Wafer and Butt-Welding

API STD 598

Valve Inspection and Testing

API STD 600

Steel Gate Valves - Flanged and Butt-Welding Ends, Bolted Bonnets

API STD 602

Steel Gate, Globe, and Check Valves for Sizes DN 100 and Smaller for the Petroleum and Natural Gas Industries

API STD 608

Metal Ball Valves - Flanged, Threaded, and Welding Ends

API STD 609

Butterfly Valves: Double-Flanged, Lug- and Wafer-Type

ASME B.16.1

Cast Iron Pipe Flanges and Flanged Fittings, Class 25, 125, 250, and 800

ASME B.16.5

Pipe Flanges and Flanged Fittings, Steel, Nickel Alloy and Other Special Alloys (NPS ½ through NPS 24)

ASME B16.9

Factory Made Wrought Steel Butt Welding Fittings

ASME  B16.10

Face to Face and End to End

ASME  B16.11

Forged Steel Fittings, Socket-  Welding and Threaded

ASME  B16.14

Ferrous Pipe Plugs, Bushings, and Locknuts with Pipe Threads

ASME  B16.20

Ring Joint Gaskets and Grooves For Steel Pipe Flanges

ASME  B16.21

Non-Metallic Flat Gaskets for Pipe Flanges

ASME  B16.25

Butt Welding Ends

ASME  B16.47

Large Diameter Steel Flanges

ASME  B1.20.1

Pipe Threads, General Purpose

ASME B31.1

Power Piping

ASME B31.2

Fuel Gas Piping

ASME B31.3

Chemical Plant and Petroleum Refinery Piping

ASME B31.5

Refrigeration Piping

ASME B31.11

Slurry Transportation Piping Systems

ASME B36.10

Welded and Seamless Wrought Pipe

ASME B36.19

Stainless Steel Pipe

MSS SP-6

Standard Finishes for Contact Faces Pipe Flanges and Connecting End Flanges of Valves and Fittings

MSS SP-25

Standard Marking System for Valves, Fittings, Flanges and Union

MSS SP-53

Quality Standards for Steel Castings and Forgings for Valves, Flanges and Fittings and Other Piping Components - Mag. Particle

MSS SP-54

Quality Standards for Steel Castings and for Valves, Flanges and Fittings and Other Piping Components - Radiographic