Fluctuation of vacuum gauge of water ring vacuum pump
Thread Content
Our workshop has a newly installed water ring vacuum pump. During the test run of a single machine, the pump inlet vacuum gauge fluctuated greatly, from -0.09MPa to -0.05MPa. Later, after lowering the working fluid, it gradually stabilized.
This shows that there is a lot of working liquid at the beginning, and the centrifugal force of the water ring formed after being thrown out is strong, so the negative pressure at the inlet is large.； After adjusting the water level to stabilize, the inlet pressure is relatively stable. There seems to be nothing wrong with it, it’s normal!
How high is the working height? It shouldn't be mainly due to work. The main reason should be that the outlet pressure is high, and your outlet exhaust pipe must be very high and connected to the upper part of the tank.
Thorough analysis on the 2nd floor! study * Got it!
This kind of fluctuation is a normal phenomenon. The pump is pumping a vacuum. If there is more working fluid, the greater the negative pressure will be. It can be adjusted according to the valve.