Vacuum Catalogue - Edwards

LR1A700 Liquid Ring PumpEdwards offers a full range of liquid ring pumps. The LR1A700 provides a single-stagedesign and curved blade impellor with reinforcing rings for improved ruggedness, reducingnoise and vibration.All of our liquid ring pumps handle wet or dry gases, with high tolerance to liquid carry over.The LR1A Series has an enhanced bearing design enabling reduced internal clearances forimproved efficiency. Pumps are available in cast iron and 316 stainless steel constructionas standard with other materials and corrosion resistant coatings available.Features & Benefits●●●●●Optional central partition enabling dual vacuum duty operationVariable area discharge port for optimum performance at all inletpressuresPacked gland, single and double mechanical seal optionsSplit packing gland design to facilitate repackingInternal and external seal flushing optionsDimensionsApplications●The LR1A700 is ideal for condenser evacuation, pulp and paper,filtration, vacuum forming and chemical and petrochemicalapplications.Performance Curves10Page416A (keyway) B C D E F Gmm 38 58 206 380 885 745 600Inch 1.50 2.28 8.11 14.96 34.85 29.33 23.62H I J L M Kmm 225 260 330 105 105 4 holes Ø 19Inch 8.86 10.24 12.99 4.13 4.13 0.751. DN65 / PN10 2. DN50 / PN10 3. Outlet 4. Inlet*Flanges available in both DIN and ANSI standardsTechnical Data50 Hz 60 HzNominal capacity(saturated) 600 m 3 h -1 690 m 3 h -1350 CFM 420 CFMSuction pressure 33 mbar 33 mbar25 Torr 25 TorrNominal speed 1450 rpm 1750 rpmNominal motorpower18.5 kW 22 kW25 HP 30 HPOrdering InformationProduct DescriptionLR1A700 Liquid Ring PumpOrder No.LR1A700Shop online at www.edwardsvacuum.com