In the process of pneumatic valve troubleshooting is relatively straightforward, especially when the valve electric actuator. Pneumatic actuators fall into two main categories: double air ( Air) Open/close the air spring and the return spring opening/closing ( Or vice versa) 。 Most used for valve actuator 90 degrees of steering rack and pinion actuator using pressure we DA or SR series, etc. This is what we will find the following fault coverage. Double-acting pneumatic problem method check Industrial Valves does not open or close check air system pressure is higher than the minimum pilot operation actuator ( 6) Article/usually 90 psi if air guide solenoid valve installed in the manual override the forerunner solenoid valve to check function. Aligned with the butterfly valve and check valve flange is not binding. If you can ensure that exert power ( 领导) 。 Check the correct power coil coil voltage ( Die) And valve tags. Check is not & other; Open coil & throughout; — — Using the multimeter, etc. Debugging for the first time a little strip and clean the seat leak valve, and test again. If you stop adjustment actuator need to fully close the valve. Pneumatic spring return check valve does not open check air system pressure is higher than the minimum pilot operating actuator ( 6) Article/usually 90 psi if air guide solenoid valve installed in the manual override the forerunner solenoid valve to check function. Aligned with the butterfly valve and check valve flange is not binding. If you can ensure that exert power ( 领导) 。 Check the correct power coil coil voltage ( Die) And valve tags. Check the coil not open & rsquo; ’ – Using the multimeter, etc. If you need to remove the actuator and the Industrial Valves use spanner to check whether the binding or blocked. When the first valve leakage slightly entrust strip and clean the seat, and test again. If you stop adjustment actuator need to fully close the valve.
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