We have many kinds of flat welding flanges, such as ASME B16.5, ASME B16.47, DIN 2634, DIN 2635, DIN 2630, DIN 2636, DIN2631 and DIN 2637 etc. The flange is the part for connecting pipe and pipe at pipe end. There are holes on the flange, use bolt to connect two flanges, and use gasket to seal two flanges. The flat welding flanges are suitable for connecting steel pipes that the nominal pressure is not larger than 2.5MPa. The sealing surface of flat welding flange should be smooth, concave-convex and tongue-and-groove etc.
Slip on weld flange: 3/8"～40"
American Series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500
European Series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400
FLANGE FACING TYPES
American Series:Flat Face (FF), Groove (G), Ring Joints Face(R)
We are the main manufacture of welding neck flange in China. The company was established in 2001. It has passed the certification of ISO9001:2000. We have great variety products, such as industrial flange, industrial pipe and industrial pipe fittings for your selection. Our products meet the standard of ASME B16.9, ISO, EN, DIN, BS, JIS and GB etc. Please contact us if you have requirement. Cangzhou Huaxin Pipe Industry Manufacture Co., Ltd is your best choice!