valve Seat And Thermal Spraying
Valve Seat: The detachable surface parts in valve are used to support the valve spool in the fully closed position and constitute a sealed part. Generally, valve seat diameter is the maximum flow diameter of the valve.
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Brief Introduction
The definition of thermal spraying technologyin the national standard GB/T18719-2002 "Thermal spraying terminology, classification": The thermal spraying technology uses a heat source to heat the spray material to a dissolved or semi-dissolved state, and spray deposited at a certain speed to after pretreatment of substrate surface coating method. Thermal spraying technology is to create a special working surface on the surface of ordinary materials, it can achieve: a variety of functions such as anti-corrosion, wear-resisting, anti-friction, high temperature resistance, oxidation resistance, heat insulation, insulation, electrical conduction, anti-microwave radiation, etc, through this technology, the goal of saving materials and saving energy is achieved,this tungsten carbide valve seats. We call this special work surface a coating, and the working method for making this coating is called thermal spraying. Thermal spray technology is one of the important components of surface process technology, which accounts for about one-third of surface engineering technology.
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