Requirements: the pressure differential relief valve must operate to maintain the "zone" between the two check valves at least 2 PSI less than the supply pressure.
要求：压差安全阀必须具有将两个止回阀之间的“区域”压力维持在比供应压力低至少2 PSI的功能。
If the input pressure has reached requirements, should check air filter relief-pressure valve regulation is correct, table press show you could meet the cutting requirements.
如输入气压已达要求，应检查空气过滤减压阀的调节是否正确，表压显示能否满足切割要求。
A pressure differential relief valve is located in a zone between the check valves.
压差安全阀位于止回阀之间的区内。
And through practice, it was identified that this system could check the quality and diagnose the flaw of transformer pressure relief valve, thus reduce hidden perils of power system.
实践证明，该系统可验证变压器压力释放阀的质量，能及时诊断出有缺陷的压力释放阀，减少了电网的事故隐患。
And through practice, it was identified that this system could check the quality and diagnose the flaw of transformer pressure relief valve, thus reduce hidden perils of power system.
实践证明，该系统可验证变压器压力释放阀的质量，能及时诊断出有缺陷的压力释放阀，减少了电网的事故隐患。
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