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There are three types of flange sealing surface
Source :本站   Time:8/31/2017 10:18:20 PM   hit:

  There are three types of flange sealing surface: flat type sealing surface, suitable for the pressure is not high, the media non-toxic occasions; convex sealing surface,ANSI A182 F304 Forged Slip-on Flange for a slightly higher pressure occasions; tongue seal surface, for flammable, explosive , Toxic media and high pressure occasions. Ordinary rubber gasket for the temperature below 120 ℃ occasions; asbestos rubber gasket is suitable for water vapor temperature below 450 ℃, the oil temperature below 350 ℃, the pressure is less than 5MPa of the occasion, for the general corrosive Medium, the most commonly used is acid asbestos board. A gasket is a ring made of a material that produces plastic deformation and has a certain strength.

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