Product description
Installation of flanged valves. The Steel Flange surfaces of valves and piping shall be free of damage, scratches, etc., and shall be kept clean. Especially when the Metal Ring Gasket (oval or octagonal section) is used, the groove of the Forged Steel Flange shall be consistent with the gasket, and red lead shall be coated for matching research to ensure its good sealing condition. The perpendicularity between the flange surface on the piping and the centerline of the piping and the error of flange bolt hole shall be within the allowable range. The valve and piping center line shall be consistent before installation.
Company Overview
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