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Welding Neck Flanges

A weld neck flange (also known as a high-hub flange[1] and tapered hub flange[2]) is a type of flange. There are two designs. The regular type is used with pipes. The long type is unsuitable for pipes and is used in process plant.[3] A weld neck flange consists of a circular fitting with a protruding rim around the circumference. Generally machined from a forging, these flanges are typically butt welded to a pipe. The rim has a series of drilled holes that permit the flange to be affixed to another flange with bolts.[4]

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  • GUOXIANG
Product Name
Flange
Material
F304/304L 304H F316/316L ,316H ,F321, F51, F53 ,F11,F22, F91, F9, Copper alloy,          Titanium alloy
Size
DN15~1500,1/2"~60"
Standard
ASME/ANSI B16.5 . EN/DIN2605.JIS,GB/T12459
Grade
150#~2500#,PN16~PN160
Brade
GUOXIANG
Packaging
plywood case with inside plastic bag or as per customer's requirement
Used
Petroleum, Chemical, Power, Gas, Metallurgy, Shipbuilding, Construction, Oil etc.

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