Hard seal butterfly valve with multi-layer metal to solve cavitation problems
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May 19 05:23:01, 2021
The disadvantage of the rubber-sealed butterfly valve is that when it is used for throttling, cavitation may occur due to improper use, causing the rubber seat to peel and damage. To this end, to solve the problem of cavitation a new generation of metal sealing butterfly valve was born. a, three eccentric multi-layer metal butterfly valve butterfly valve seal for the hard and soft laminated metal sheet, with a metal seal and elastic seal dual advantages, both in the case of low temperature and high temperature, have excellent sealing performance. b, the use of three-dimensional eccentric structure, the valve seat and the disc almost no friction, when the valve is closed inside the parts almost no damage; This structure greatly improves the performance of the valve in use. And the closer the more tight the sealing function. c, In the upper and lower parts of the stem with bushings, and each bush wear and friction resistance is very small, this structure can completely prevent wear and adhesion, but also improve the service life. d, the valve sealing surface alloy steel or Stellite carbide, stainless steel seal butterfly valve sealing surface wear resistance, erosion resistance, corrosion resistance; long service life. e, unique structure, small switching torque, flexible operation, labor-saving, convenient, high and low pressure from the media, sealing performance and reliable. Can be used for hoist and adjustment equipment. More Keywords Search: Hard Seal Butterfly Valve