Pneumatic valve does not move

1. Is the solenoid valve normal, whether the coil is burned out, whether the solenoid valve core is jammed by the stolen goods, replace the solenoid valve, replace the coil, and clearly understand the stolen property 2. Check whether the single-cylinder air supply of the actuator is working properly.

Such as cylinder piston helium, cylinder block and end cap or shaft leakage, etc.

Remove the actuator and check if the seal is damaged and the surface of the hole in the cylinder is damaged.

Replace damaged seals, cylinders or pistons replaced. 3. Impurities in the valve stuck to the core. Contaminants replaced Replace damaged valve parts 4. Manually operated actuator handle is in manual position. Handle handle to pneumatic automatic position 5. Tube Twisting, flattening, or replacing tubing 6. The medium or ambient temperature is too low, causing the tubing to freeze.

Even if the condensed water is clear, the addition of water removal equipment <br> <br> pneumatic valve slow to crawl

1. The air source pressure is not enough to increase the air source pressure, and a gas tank is set up on the way to reduce the pressure fluctuation.

2. The flow rate is not enough or there are other devices that consume large amounts of air at the same time. Additional gas storage tanks are added. Air compressors are added to reduce pressure changes. 3. Pneumatic actuator torque is too small to increase the actuator size 4. Valve load is too large. The spool or other valve assembly is too tight and unreasonable.

Re-repair, adjust the valve cylinder 5. The friction torque for a large variation <br> <br> other suitable lubricating failure

1. valve starts beating operation, excessive load is increased at the end of the actuator 2. The valve bounce specification operation, too fast, too large inertial energy control valve or additional external buffer <br> <br> back signal No signal

Signal power line, short circuit, open circuit

1. Repair power line 2. Re-adjust cam to correct position 3. Replace micro switch

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