Pneumatic valve common faults and processing

To dig the crackle. Improper operation, greatly too forcibly switch, limit switch failure, torque protection action. Improve the operation, do not force is too large; Sealing material adverse or pneumatic valve core jamming. Pneumatic valve on both sides of the difference in temperature big processing: there are cracks for repair welding, heat treatment by the regulation, car light, and grinding. The aerodynamic heating body try hard slowly after open or full and tight slightly off again and again. Repair or replace the pneumatic valve stem