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。
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.
适用于检测压力真空断路阀，减压防回流阀或双止回阀总成，不再需要压力表和压差表。
Designed to test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies, allowing you to eliminate both pressure and differential test gauges.
包括信号输出压力表和减压阀。
It includes signal output gauge and pressure reducing valve.
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