OneLeaks
Possible causes:
Worn or damaged sealing surfaces;
Seal face mismatched or misaligned with the seat;
Damaged springs or nuts;
Deformation or damage to the ram;
The handwheel nut is loose.
Workaround:
Replace the sealing surface or smooth out the worn surface;
Adjust the alignment of the sealing face with the seat;
Replace springs or nuts;
Replace the ram;Tighten the handwheel nut.
IIStress relief
Possible causes:
Insufficient compressed air pressure or leakage;
Loose baffle or failed spring;
Leakage of hydraulic cylinders.
Workaround:
Check the compressed air pressure and connections for leaks;
Tighten the baffle or replace the spring;
Replace the hydraulic cylinders.
IIIThe ram is stuck or won't open Close
Possible causes:
Deformation or damage to the ram;
Seat damage or blockage;
There is a foreign object inside the pipe.
Workaround:
Replace the ram;Replace the seat or clear the blockage;
Remove foreign matter from the inside of the pipe.
FourthSolenoid valves cannot control valves
Possible causes:
The solenoid valve coil is damaged or in poor contact;
Barometric pressure sensor or limit switch is damaged or in poor contact;
The air filter is clogged or damaged.
Workaround:
Replace the solenoid valve coil or adjust the contact point;
Replace damaged barometric pressure sensors or limit switches;
Replace the filter or clean the impurities inside.
The above are common pneumatic gate valve faults and their troubleshooting methods. If the above methods do not solve the problem, Detersen recommends that a professional operator technician repair it.
Detersen pneumatic gate valve