Classification of elbows

Flexure elbow clamp type elbow with side elbow quick assembly elbow with seat elbow flange elbow 180° elbow double elbow single elbow.

Socket elbow reduced diameter elbow seamless elbow butt welding elbow 90° elbow 45° elbow combination three-way internal thread elbow punching elbow, push elbow, high-pressure elbow wear-resisting elbow, mechanical elbow flange elbow groove elbow three-dimensional elbow thread elbow special elbow waterproof elbow.

Execution standard for elbow

The Japanese standards

Description of Standard Number

Steel butt welded pipe fittings for general purpose

Steel butt welded pipe fittings

Butt welded pipe fittings made of steel plate

Steel socket welding pipe fittings

American Standard for pipe fitting execution standard:

ASME/ANSI B16.9 factory-made wrought steel butt welded pipe fittings

ASME/ANSI B16.11 socket welded and threaded forged pipe fittings

ASME/ANSI B16.28 Steel butt welded small radius elbows and backbends

ASME B16.5 Pipe flanges and flange fittings

MSS SP-43 forged stainless steel butt welded pipe fittings

MSS SP-79 socket welding reducer insert

MSS SP-83 socket welding and threaded connector

MSS SP-97 socket, thread and butt weld end integral reinforcement

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