Feature -Consist of water sealed ,pumps, receiver bacterial filter and control Panel. -Consist of electric motor driven positive displacement non-pulsating liquid ring vacuum pumps. -Two or three different vacuum systems are available to ensure the proper system for your facility. Type DUPLEX, AUTOMATIC CHANGE OPERATION LIQUID RING WATER SEALED PUMP MAX VACUUM 740 mmHg 500 ~ 2000L EXTRA RECEIVER TANK 220V / 380V 3& 60HZ ( or 50HZ ) 3 WAY AUTO CONTROL PANEL Consisting - VACUUM PUMP & MOTOR - WATER TANK - AUTOMATIC WATER SUPPLY DRAIN SYSTEM - VACUUM SWITCH - CHECK VALVE - MAIN SHUT - OFF VALVE - BY - PASS SHUT - OFF VALVE - RUBBER PAD