Vacuum butterfly valve adjustment method introduction

Vacuum butterfly valve adjustment method

1. Check the wear of the sealing surface and the packing at any time, and the transmission device should be refueled regularly.

2. The flange type of the double flange type or the wafer type butterfly valve is a flat welded steel flange or a butt welded steel flange, and the connection size is as specified in GB/T9119.

3. The electric butterfly valve should be manually operated to check whether there is any jamming phenomenon. After the manual operation is passed, the electric test is carried out.

4. Before the valve is electrically adjusted, the disc should be manually opened by 5°~10° to check whether the steering of the motor is consistent with the opening and closing valve and the opening direction indication. Each indicator button, stroke control mechanism, torque limit Whether it is normal, the specific adjustment method is detailed in the valve electric device manual.