How to overhaul the pneumatic valve
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Release Time：2017-09-06
Check whether the solenoid valve is normal, whether the coil is worn out or in poor contact, and whether the spool of the solenoid valve is stuck. Repair method: Replace the coil. Clean up the stuck things on the solenoid valve. Replace the solenoid valve if the above method is useless. Step 2: Check whether the pneumatic actuator works normally, such as cylinder piston blow-by, cylinder body and end cover or shaft leakage, etc. Repair method: Disassemble the actuator and check whether the seal is damaged. Whether the surface of the cylinder inner hole is damaged. Replace the damaged seal ring, replace the piston, or the cylinder. Step three check whether there is something inside the valve core or valve plate stuck. Maintenance method: clean up impurities or
Check whether the solenoid valve is normal, whether the coil is worn out or in poor contact, and whether the spool of the solenoid valve is stuck.
Repair method: replace the coilHoweverClean things stuck on the solenoid valveHoweverThe above method is useless to replace the solenoid valve.
Step 2
Unilateral air supply inspection pneumatic actuatorHoweverCheck to see if it worksHoweverSuch as blow-by of cylinder piston, air leakage between cylinder body and end cover or rotating shaft, etc.
Repair method: Disassemble the actuator to check whether the seal is damaged.HoweverWhether the cylinder bore surface is damaged.
Replace the damaged seal ring, replace the piston, or the cylinder.
Step three
Check if there is something in the valve that is jamming the ball core or the valve plate.
Maintenance method: clean up impurities or replace the damaged valve parts.
Step Four
Check that the handle of the manually operated actuator is in the manual position.
Maintenance method: Pull the handle to the pneumatic automatic position.
Step Five
Twisted, squashed.
Maintenance method: correct or replace the pipeline.
Step 6
quality or whether the ambient temperature is too low, causing the pipeline to freeze.
Maintenance methods; immediate removal of condensate and addition of water removal equipment.
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