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Plate flat welding flange (HG20593, GB / T9119, JB / T81): easily obtained, create a simple, low cost, widely used; but less rigid, and therefore may not have supply and demand for, flammable, explosive and high vacuum chemical process piping systems and high degree requirements, extremely hazardous situations. Sealing surface with a flat and raised face.
Plate flat welding flange is the most common flange, pressure has PN0.25, PN0.6, PN1.0, PN1.6, PN2.5.
Plate flat welding flange welded form: plate welded flange is welded to the pipe going into the flange.
