A pressurereliefvalve from the main valve, pressurerelief / 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。
2
When the hydraulic system up to the tip is set higher than the pressurereliefvalve, the relief valve on top of the ball was opened by the oil relief valve to the tank platoon.
当系统中的油压升高到梢高于溢流阀的调定压力时，溢流阀上的钢球被顶开，油液经溢流阀排回油箱。
3
We suggest the use of a model DET expansion tank, the Watts Governor 80 ball cock with integral thermal expansion reliefvalve, or a 530C calibrated pressure relief valve.