JS FITTINGS produce and supply steel pipe flange, plate flange PN16, 6 inch pipe flange, flat face flange, galvanized pipe fittings, carbon steel plate flange.
Flange connection is to fix two pipes, pipe fittings or equipments on a flange first. Between the two flanges, add a flange gasket and fasten them together with bolts to complete the connection. . Some pipe fittings and equipment already come with flanges, which are also flanged connections. Flange connection is an important connection method for pipeline construction. The flange connection is easy to use and can withstand greater pressure. In industrial pipelines, flange connections are widely used. In the home, the pipe diameter is small and the pressure is low, so the flange connection is not visible. If it is in a boiler room or production site, there are flanged pipes and equipment everywhere.
According to different connection methods, there are butt welding flange, socket welding flange, threaded flange, loose sleeve flange, sliding sleeve flange.
Compared with the flange with a neck, the flat flange can be divided into carbon steel flat flange, stainless steel flat flange and alloy steel flat flange according to the material. The structure of the flange includes integral flange and unit flange.
Flat flange standard system
1) Nominal pressure: 0.25Mpa~42.0Mpa
a. Series 1: PN1.0, PN1.6, PN2.0, PN5.0, PN10.0, PN15.0, PN25.0, PN42 (main series)
b. Series 2: PN0.25, PN0.6, PN2.5, PN4.0
Among them, PN0.25, PN0.6, PN1.0, PN1.6, PN2.5, PN4.0 have a total of six grades of flange size belongs to the European flange system represented by the German flange, the rest is the United States law The American flange system.
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