Vacuum Catalogue - Edwards

16.516 23 21 21.219211912813172015616.7114718.32210Page400Liquid ring pumps are very effective when pumping wet gases and condensable vapours and are able to operate across the entire pressure rangefrom atmospheric pressure to less than 1 inch Hgabs, this gives maximum flexibility in meeting the required condenser backing pressure undervarious operating conditions. A guide to pump selection can be seen in the table below, this shows the pump size required to achieve 1 inchHgabs with varying ITD's (Initial Temperature Difference) between the condenser cooling water and the condenser outlet temperature. For moreinformation on pump performance against specific operating conditions, please contact your local customer care office.ITDHEI SCFMHEI / Liquid Ring Pump Selection Chart at 33.86 mbar A withVarying Condenser ITD10 °C 11 °C 13 °C 15 °C 17 °C5 SHR2750 SHR2400 SHR2400 SHR2400 SHR24007.5 SHR2950 SHR2750 SHR2750 SHR2400 SHR240010 SHR2950 SHR2950 SHR2750 SHR2750 SHR275012.5 SHR2950 SHR2950 SHR2950 SHR2750 SHR275015 SHR21200 SHR21200 SHR2950 SHR2950 SHR295017.5 SHR21850 SHR21200 SHR21200 SHR2950 SHR295020 SHR21850 SHR21850 SHR21200 SHR21200 SHR295025 SHR22500 SHR21850 SHR21850 SHR21200 SHR2120030 SHR22500 SHR22500 SHR21850 SHR21850 SHR2185040 SHR22500 SHR22500 SHR22500 SHR22500 SHR21850The standard package includes all of the associated equipment required to operate the pump package, including the transition from hogging toholding duty.Shop online at www.edwardsvacuum.com