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Troubleshooting of pneumatic valve

Blog | Oct.14.2022

When installing or using pneumatic valves, you may encounter some problems. Here we, , bring you the solutions to the common failures of pneumatic valves.

  1. Pneumatic Valve Can Not Move
    Possible reason:

    1. The electromagnetic valve is normal, Coil is bumed, electromagnetic valve ls stuck being stolen.
      Solution: Solenoid valve replacement, Replacement coils, remove stolen Property.
    2. A separate air supply pneumatic Actuator test check seals and Whether the cylinderis damaged.
      Solution: Replace a bad ring and cylinder.
    3. There are impurities in the spool Valve stuck.
      Solution: Remove impurities, replace Damaged parts.
    4. The handle in a manual hand motor location.
      Solution: Interchange.
  2. Slow Motion, Crawling
    Possible reason:

    1. Supply pressure is not enough.
      Solution: The increase of gas supply pressure(0 4-0.7mpa).
    2. Pneumatic actuator output torque is Too small.
      Solution: Increase the pneumatic actuator Production.
    3. The valve spool or valve assembly too tight.
      Solution: Re-assembly adjustments.
    4. Air supply pipe plug, flow is too small.
      Solution: Exclude plug, replace the filter cartridge.
  3. Reply Devices Without Signal.
    Possible reason:

    1. Power line short circuit or open circuit.
      Solution: Maintenance of power lines.
    2. Reply within the cam position is not accurate.
      Solution: Adjust the cam to the correct location.
    3. Micro switch damaged.
      Solution: Replacement micro switch.

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