Common faults of manual diaphragm valve 1:
The valve is not smooth. The main reason for this phenomenon is that there is no complete control channel, or the channel is relatively small, and it is easier to block. There is also rust stains in the piston that enter the piston. Although the upper part is still under force, it cannot move down, so the main channel cannot be opened, so the piston must be decompressed when it is decompressed. Install a filter inside the valve. Also, if it has not been used for a long time, it must be disassembled for cleaning or inspection.

Common faults of manual diaphragm valves 2:
The valve cannot help decompression. The main reason for this phenomenon is that the piston is stuck at a certain position, but it must not be the highest position. Also, the valve handle of the main valve is stuck in the cylinder. There is also because the spring of the lower half of the disc of the main valve is broken and there is no effect. There is also a certain position between the main valve disc and the main valve seat that is not completely tight, so the piston will always be under pressure. In addition, the diaphragm is damaged due to long-term work, so there will be a phenomenon of failure. The main solution is to check regularly. If stains are found, they must be removed in time. The circulation of the piston must be carried out normally.

Common faults of manual diaphragm valve 3:
The pressure behind the valve of the manual regulating valve cannot be adjusted by itself, so there will be a fault. There are some other reasons. It’s like the adjusting spring has failed. There is also the phenomenon of leakage when the cap is connected, and the pressure cannot be completely maintained, so there will be a failure.