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为什么切断阀应尽量选用硬密封?
Time:2015-11-12
切断阀要求泄露越低越好,软密封的泄露是最低,切断阀效果当然好,但不耐磨,可靠性差,从泄漏量对密封及可靠性的双重标准来看,软密封切断就不如硬密封切断好。
--切断阀要求泄露越低越好,软密封的泄露是最低,切断阀效果当然好,但不耐磨,可靠性差,从泄漏量对密封及可靠性的双重标准来看,软密封切断就不如硬密封切断好。
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Melamine is special
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Gate Valves
Globe Valve
Check valve
Multi-function hydraulic control valve
Pipe fittings and special valves
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Chemical industry
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