It is used to control the pressure in front of the valve, and the safety valve is used to protect the downstream equipment from high pressure damage.

In addition to the problems mentioned in the rubber hose assembly and steel pipe assembly, there are two common faults of pipe joint: Cracking of pipe joint and leakage caused by fitting accuracy.

Open the bypass valve, close the inlet and outlet valves at both ends of the replacement valve in turn, which are the upper and lower flow valves.

The principle of quick joint of water pipe is to break the pipe or connect two pipes together by the applied force.