There are several reasons:
The water ring pump has been used in the atmosphere for a long time
The pump exhaust port water ring pump is small or blocked
p>Water The gap between the ring pump impeller and the disc becomes smaller, causing friction
The bearing of the ring pump the water ring pump is damaged
The corrosion gap of the water ring pump disc is too large
If the above reasons cannot be resolved. The motor is overloaded, please call Boshuo Vacuum Technology Department