Vacuum ball valve instructions for use

Vacuum ball valve use instructions

1. In any occasion, personal safety should be guaranteed first.

2. When using the valve, refer to ASME B16.34 or GB/T12234 pressure-temperature rating.

3. When selecting the valve material, the corrosion resistance and wear resistance of the working medium should be considered.

4, the working medium is flammable / explosive, to limit the working temperature.

5. When repairing/maintenance, open the bleed valve and screw plug to vent the pressure in the middle chamber.

6. For all electrical, hydraulic or pneumatic valves, make sure the line is disconnected before use.

7. Appropriate protective measures should be taken during maintenance/maintenance, such as protective clothing, oxygen masks, gloves, etc.

8. When repairing/maintaining valves, smoking is prohibited. It is strictly forbidden to use any untested portable electric equipment without permission.

Do not use fire to avoid a fire.

9. The valve must be periodically inspected.

A, the fastening of the bolt connection (valve body / bonnet, gland flange, top flange connection)

B, corrosion / wear (cracks, rust spots, valve wall thickness)

C. Make sure the valve is in the fully open/closed position.