Owing to the widespread use of water-ring vacuum pumps, their operational characteristics and advantages have been widely recognised. To ensure optimal performance, let us explore the methods for changing the pump oil in a water-ring vacuum pump.

It is essential to maintain an adequate level of pump oil in the water-ring vacuum pump at all times, as this enhances efficiency. After a period of use, the pump oil must be replaced immediately. Open the inlet pipe of the water-ring vacuum pump and start operation after 5 seconds. Any residual oil inside the pump can be easily drained. First, remove the exhaust pipe, open the drain valve and pour out the oil. Close the drain valve and fill the pump with fresh vacuum pump oil via the filling port. After replacing the oil, start the water-ring vacuum pump and, once the temperature has risen, verify the ultimate vacuum pressure. The inspection process requires cleaning of the filter. If the pump oil is severely contaminated, add fresh pump oil and run the water-ring vacuum pump for a few minutes to flush the system; if a single flush is insufficient, repeat the process several times. It is essential to replace the water-ring vacuum pump oil immediately, keep the internal oil reservoir clean, and promptly remove any residual old oil. Timely replacement of the vacuum pump oil effectively enhances the equipment’s performance, and other components should also be cleaned promptly.

The above provides an overview of the procedure for changing the oil in a water-ring vacuum pump. Only by adhering to the correct operating procedures during operation can the desired results be achieved and unnecessary complications avoided. We hope the information provided here proves helpful to everyone.