发布时间:2025-01-19 22:09:26
管路在做强度试验时应将管路上的阀门处于开启状态,因为阀门的阀瓣密封试验时只做到1.1倍的公称压力,超过此压力容易造成阀瓣或其密封的破坏。也就是说阀瓣不能当做强度试验用的盲板。如果要做气体打压,一般为密封试验,且应在强度试验(水介质)合格以后进行,阀门的公称压力在1.0Mpa以上时,气体低压试验(密封)一般为0.6MPa。
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