High-neck flanges are also called butt-welded flanges. They are mainly used in the occasions where the working conditions are relatively harsh, such as the occasions where the pipe thermal expansion or other loads cause greater stress on the flange or repeated stress changes, with high pressure and temperature. A fluctuating pipeline or a pipeline with high temperature, high pressure and sub-zero temperature. The high-neck flange is not easy to deform, has good sealing, and is widely used. The nominal pressure is about PN1.0MPa~PN25.0MPa.
Shanxi Haokun flanges specializes in the production of EN stainless steel welding neck flanges:
EN welding neck flanges
stainless steel(SS) EN1092-1/11 PN2.5
stainless steel(SS) EN1092-1/11 PN6
stainless steel(SS) EN1092-1/11 PN10
stainless steel(SS) EN1092-1/11 PN16
stainless steel(SS) EN1092-1/11 PN25
stainless steel(SS) EN1092-1/11 PN40
stainless steel(SS) EN1092-1/11 PN63
stainless steel(SS) EN1092-1/11 PN100
stainless steel(SS) EN1092-1/11 PN160
stainless steel(SS) EN1092-1/11 PN250
stainless steel(SS) EN1092-1/11 PN320
stainless steel(SS) EN1092-1/11 PN400
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