The full name of neck flat welding flange is neck flat welding steel pipe flange, which is a flange that extends steel pipes, fittings, etc. into the flange and connects them to equipment or pipelines through fillet welds.

function

The neck flat welding flange, like the plate flat welding flange, is also a flange that extends steel pipes, fittings, etc. into the flange and connects them to equipment or pipelines through fillet welds.

sealing form

The sealing surface forms with neck flat welding flanges include:

RF, FM, M, T, G, FF.

Diameter range with neck flat welding flange: DN10~DN600。

scope of application

PN series PN2.5~PN40; Class Series Class150~Class1500

Flange materials: carbon steel, chromium molybdenum steel, 304, 316, 304L, 316L, 321, 347 CF8C。