Standard interpretation of pipe fittings

Pipe fittings: Parts that connect pipes into pipelines. According to the connection method, it can be divided into four categories: socket pipe fittings, threaded pipe fittings, flange pipe fittings and welded pipe fittings. Mostly made of the same material as the pipe. There are elbows (elbow tubes), tee tubes, four-way tubes (cross heads) and reducers (large and small heads), etc. Valves and pipe fittings include valves and pipe fittings, which are used in pipeline connections or control systems. Valves and pipe fittings cannot exist independently and complement each other.

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Standard introduction to pipe fittings Standard code Standard name GB 12459 Steel butt welding seamless pipe fittings GB/T 13401 Steel plate butt welding pipe fittings GB/T 14383 Forged steel socket welding pipe fittings GB/T 14626 Forged steel threaded pipe fittings SH 3408 Steel butt welding seamless pipe fittings SH 3409 Steel plate butt welding pipe fittings SH 3410 Forged steel socket welding pipe fittings HG/T21634 Forged steel socket welding pipe fittings HG/T21635 Carbon steel, low alloy steel seamless butt welding pipe fittings HG/T21631 Steel seamed butt welding pipe fittings GD 87-1101 Typical design manual for steam and water pipeline parts and components in thermal power plants DL/T 515 Power station elbow DL/T 695 Power station steel butt welding pipe fittings SY/T 0510 Steel butt welding fittings SY 5257 Steel elbows ISO 3419 Non-alloy and alloy steel butt welding fittings ISO 5251 Stainless steel butt welding fittings ASME B16.9 Factory made forged steel butt welding fittings ASME B16.11 Socket weld and threaded forged steel fittings ASME B16.28 Forged steel butt welding small radius elbows and return elbows MSS SP-43 Forged stainless steel butt welding pipe fittings MSS SP-75 Forged steel butt welding pipe fittings MSS SP-79 Socket welding reducing inserts MSS SP-83 Socket welding and threaded unions MSS SP-95 Reducers and round plugs MSS SP-97 Integral reinforced pipe seats for socket weld, threaded and butt welding ends JIS B2311 General purpose steel butt welding pipe fittings JIS B2312 Steel butt welding pipe fittings JIS B2313 Steel plate butt welding pipe fittings JIS B2316 Steel socket welding pipe fittings DIN 2605 Steel butt welding pipe fittings elbows and bends DIN 2615 Steel butt welding pipe fittings tees DIN 2616 Steel butt welding pipe fittings reducers DIN 2617 Steel butt welding pipe fittings caps GB/T 9112～9124 Steel pipe flanges GB/T 13402 Large diameter carbon steel pipe flange JB/T 74～90 Pipe flange and gasket HG 20592～20635 Steel pipe flange, gasket, fastener SH 3406 Petrochemical steel pipe flange ASME B16.5 Pipe flange and flange accessories ASME B16.47 Large diameter steel flange MSS SP-44 Steel pipe flange JIS B2220 Steel welded pipe flanges JIS B2238 General rules for steel pipe flanges BS 1560 Round flanges for pipes, valves and fittings BS 4504 Round flanges for pipes, valves and fittings DIN 2527, 2573, 2576, 2627～2638, 2673, 2552, 2653, 2655, 2656, 2641, 2642,2565～2569 German standard flange series

SH 3410 Forged steel socket welding pipe fittings HG/T21634 Forged steel socket welding pipe fittings HG/T21635 Carbon steel, low alloy steel seamless butt welding pipe fittings HG/T21631 Steel seamed butt welding pipe fittings GD 87-1101 Typical design manual for steam and water pipe parts and components in thermal power plants and other related standards!