Mono Block (Close Couple) Liquid Ring Vacuum Pumps are Very Compact, easy to Install, Assemble with Smooth Operation. These Pumps are Assembled to Motor Flange & Shaft. The Pump Develop Maximum Vacuum Of 700 to 710 MM of Hg. When Sealing Water Temperature of 30 DegreeC. (Baromatic Pressure Of 755 Mm of Hg. And Suction Temperature 30 DegreeC)