Butt welding flange refers to a flange with a neck and a round pipe transition and butt welding
connection with the pipe. We produce ASME B16.5 butt welding flanges, ASME B16.47 butt welding
flanges, DIN 2631 butt welding flanges Welding flanges, DIN 2637 butt welding flanges, DIN 2632 butt
welding flanges, DIN 2638 butt welding flanges, DIN 2633 butt welding flanges, etc. Welding flanges are
suitable for pipelines with large fluctuations in pressure or temperature or high temperature, High pressure
and low temperature pipelines are also used for pipelines that transport expensive, flammable and
explosive media. Butt welding flanges are not easily deformed, have good sealing, and are widely used.
Size
Butt welding flange: 3/8"～160"
DN10～DN4000
pressure
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 sealing surface type
American series: flat surface (FF), raised surface (RF), grooved surface ( G), Concave and convex surface
(MFM), Ring connection surface (RJ)
We are the main butt welding flange manufacturer in China, and have passed ISO9001:2000
certification. Our product range is complete, including various industrial flanges, industrial pipes, industrial
pipe fittings, which can fully meet your choice, And these products comply with ASME B16.9, ISO, API, EN,
DIN, BS, JIS, GB etc standards. If you are purchasing products in this area, please contact us quickly,
HEBEI CANGRUN PIPELINE EQUIPMENT CO.,LTD is your best choice!
