Hard seal butterfly pneumatic valve cavitation problem 1)

rubber seal butterfly pneumatic valve faults are throttling, due to the improper use will produce cavitation occurs, rubber peeling, damage. Therefore, to solve the problem of cavitation was born of a new generation of metal sealing butterfly pneumatic valve. A three eccentric multi-layer metal hard seal plate pneumatic valve pneumatic butterfly valve seal hard, soft layer metal with metal seal ring, sealing the dual advantages of flexibility, both under the condition of low temperature and high temperature has good sealing performance. B, three-dimensional eccentric structure, pneumatic seat and disc almost no friction, when the pneumatic valve closing almost no damage to internal parts, this structure has greatly increased the use of the performance of the pneumatic valve. Closed more and more tightly with sealing function. In c, the casing of the upper and lower stems, each small bushing wear, friction, this structure can prevent wear and adhesion, can also improve your life. Research and development, the body seal welded steel or too made of alloy, stainless steel, hard seal butterfly pneumatic valve sealing surface wear resistance, corrosion resistance, surface corrosion resistance, long service life. E, unique structure, the switch moment of small, flexible operation, energy saving, convenient and a free press, high voltage, low power and reliable sealing performance. Can be used to open and regulating equipment. Keywords:
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