["["爆破片在安全阀上游，请请问爆破片背压应该怎么考虑？",""""各位好，关于爆破片与安全阀串联，爆破片在安全阀的上游，请问爆破片的背压应该怎么考虑呢？是与安全阀背压一致，还是
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用大气压力肯定不对 串联时候 安全阀设定压力应该大于标定爆破压力 背压肯定大于大气压
爆破片和安全阀串联的时候，爆破片和安全阀之间都是要通气并保证空间压力的，防止因为温度变化导致的背压变化从而导致的爆破压力不准
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