... vacuum control valve 真空控制阀 vacuum pressure valve 真空压力阀 vacuum relay valve 真空继动阀; 真空式自动转换阀门 ...
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... vacuum proportional valve 空真比例阀 vacuum pressure valve 真空压力阀 ; 呼吸阀 vacuum release valve 真空放泄阀 ; 呼吸阀 ; 真空泄漏阀 ...
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pressure vacuum vent valve 真空呼吸阀
Pressure-vacuum valve 压力门与真空门
pressure-and-vacuum release valve 压力和真空释放阀 ; 呼吸阀
pressure and vacuum breather valve 压力真空呼吸阀
vent pressure vacuum valve 通风系统的压力调节阀
pressure vacuum relief valve 真空安全阀 ; 呼吸阀 ; 压力真空安全阀
pressure and vacuum release valve 呼吸阀
vacuum m pressure valve 真空压力阀
The TK-DL can test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies.
TK - DL可以检测压力真空断路阀，减压防回流阀或双止回阀总成。
Relief Angle valve. Pressure or vacuum can be specified.
安全角阀。可指定压力或真空度。
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.
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。
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