pilot pressure gauge的意思|示意

A pressure relief valve from the main valve, pressure relief / holding pressure pilot valve needle valve, ball valve, micro shaped filter and pressure gauge hydraulic control over the system.

进口持压泄压阀由主阀、泄压/持压导阀针阀、 、 球阀、微形过滤器和压力表组成水力控制接管系统。

The Ecoserial device is a digital economiser with differential pressure gauge able to pilot until 204 valves by connecting itself to a pneumatic driving module RPB with only two threads.

节能控制仪是一数码并内置有压差器的脉冲阀控制仪，最多能控制到204个脉冲阀，而这也只要用两根管子与RPB先导阀盒组串连起来就可以达到。