How to inspect the bellows gate valve? What are the precautions when inspecting the bellows gate valve? Let's have a look with the manufacturers of bellows gate valves!

1. parts

The parts constituting the bellows stop valve shall be inspected to ensure that the parts of the bellows stop valve can be well guaranteed.

2. tightness

After the combination of bellows assembly and valve rod is welded by argon arc welding, it is necessary to conduct sealing inspection to ensure the sealing of bellows stop valve.

3. overall performance

In order to ensure the performance of the bellows stop valve, remove the burrs of all parts before assembly, clean all parts and the inner cavity of the valve body, and carry out the inspection and test of the complete valve after assembly. If the test results meet the requirements, the complete valve is qualified, and the surface grinding, cleaning, polishing, painting and packaging are allowed. Through the introduction of the manufacturer of bellows gate valve above, you should know how to inspect the bellows gate valve!