December 19th 2022
At low temperature, it has good resilience and mechanical strength, and small linear expansion coefficient. The middle flange gasket of ultra-low temperature valve is usually a combination of flexible graphite wound gasket and elastic energy storage ring. At low temperature, the gasket seal pressure will be relatively reduced, which may lead to leakage of medium. Therefore, it is necessary to use the disc spring gasket to compensate the fastening bolt connection of the middle flange.
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Double Seal Ball Valve
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