Check modules are installed in the valve body with the seats facing the valve inlet.
安装在阀门内的止回模块其阀座应该面对阀门进口。
2
This paper derives the characteristic formula of control pressure in hydro-control checkvalve and the mechanical characteristics formula of inlet and return circuit.
本文推导了液控单向阀的控制压力特性方程、进油和回油回路机械特性方程。
3
And a by-pass pipe with checkvalve is set between the inlet and outlet of circulating pump.