ASME B16.9

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ASME B16.9 Factory-made wrought buttwelding fittings

This standard covers overall dimensions, tolerances, ratings,testing,and markings for factory-made wrought buttwelding fittings in sizes NPS /2 through NPS 48 (DN 15 through DN 1200).

Types of BW fittings in ASME B16.9

Long Radius Elbows
Long Radius Reducing Elbows
Long Radius Returns
Short Radius Elbows
Short Radius Returns
3D Elbows
Straight Tees and Crosses
Reducing Outlet Tees and Reducing Outlet Crosses
Lap Joint Stub Ends
Caps
Reducers