Liquid Ring Vacuum Pump (Unit)

2FV5
2FV6
2FE1
2FE3
The liquid ring vacuum unit is a closed unit consisting of one or more (one active and one standby, two active and one standby, etc.) liquid ring pumps, gas-liquid separators, working fluid heat exchangers, a common base, a control cabinet, and other equipment, as well as pressure gauges, thermometers, liquid level gauges, and other instruments. The pumped medium enters the liquid ring pump and enters the gas-liquid separator together with the working fluid for gas-liquid separation. The gas is discharged, and the working fluid enters the heat exchanger, where it is cooled by cooling water and then returns to the liquid ring pump.

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Equipped with a heat exchanger, it achieves closed-loop working fluid circulation, eliminating the need for fluid replenishment during operation and conserving resources. A gas-liquid separator effectively separates the gas-liquid mixture discharged from the vacuum pump. After cooling in the heat exchanger, the liquid is returned to the vacuum pump through the pump's self-priming capacity, serving as the pump's circulating working fluid. Gas is discharged through the separator's exhaust port to a designated location. If the pumped medium is free of liquid, no working fluid is discharged, minimizing pollution. It can be used to pump flammable, explosive, and toxic gases. The separator liquid level can be controlled manually or automatically. Automatic control can be interlocked with an automatic refill solenoid valve for automated level control. Pressure, temperature, and liquid level can be integrated into a PLC or DCS system, providing a high level of automation.