Reference standards

ASME B16.5 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24

ASME B16.47 Large Diameter Steel Flanges: NPS 26 Through NPS 60

ASME B16.48 Line blanks

ASME B16.36 Orifice Flanges

MSS SP-6 Standard Finishes for Contact Faces of Pipe Flanges and Connecting-End Flanges of Valves and Fittings

ASME B16.20 Metallic Gaskets for Pipe Flanges: Ring-Joint, Spiral-Wound, and Jacketed

ASME B16.21 Nonmetallic Flat Gaskets for Pipe Flanges

ASME B18.2.1 Square and Hex Bolts and Screws, (Inch Series)

ASME B18.2.2 Square And Hex Nuts (inch Series)

ASTM A193 Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications

ASTM A194 Standard Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both

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EN 1092 Flanges and their joints — Circular flanges for pipes, valves, fittings and accessories, PN designated —

Part 1: Steel flanges;

Part 2: Cast iron flanges;

Part 3: Copper alloy flanges;

Part 4: Aluminum alloy flanges.

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GB/T 9112-2010 Types and parameters for steel pipe flanges

GB/T 9113-2010 Integral steel pipe flanges

GB/T 9114-2010 Hubbed screwed steel pipe flanges

GB/T 9115-2010 Steel pipe welding neck flanges

GB/T 9116-2010 Hubbed slip-on-welding steel pipe flanges

GB/T 9117-2010 Hubbed socket welding steel pipe flanges

GB/T 9118-2010 Loose hubbed steel pipe flanges with welding neck collor

GB/T 9119-2010 Slip-on-welding plate steel pipe flanges

GB/T 9120-2010 Loose plate steel pipe flanges with weld-neck collar and with weld ring neck

GB/T 9121-2010 Loose plate steel pipe flanges with weld-on collar

GB/T 9122-2010 Loose plate steel pipe flanges with lapped pipe end and pressed collar with long neck

GB/T 9123-2010 Steel pipe blank flanges

GB/T 9124-2010 Specification for steel pipe flanges

GB/T 13402-2010 Large diameter steel pipe flanges