Circled in the figure below is dry screw vacuum pump’s sewage outlet, which is used for purging waste liquid discharge:
If the application is not for solvent recovery, then simply place a bucket under this port to collect the waste through the purification system. If the customer’s application requires the recovery of the pumped gas, the valve has two options:
A: Close the valve when the pump is working, and open the valve when the purge system starts
B: Connect a pipeline from this valve to the recovery tank, keep this valve open, and recover some liquid through this valve.
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