Vacuum Catalogue - Edwards

LR1A300 Liquid Ring PumpEdwards offers a full range of liquid ring pumps. The LR1A300 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 LR1A300 is ideal for filtration, vacuum forming, generalindustrial and chemical and petrochemical applications.Performance Curves10A (keyway) B C D E F Gmm 38 58 193 262 740 645 495Page413Inch 1.50 2.28 7.60 10.31 29.13 25.39 19.49H I J L M Kmm 180 220 275 105 105 4 holes Ø 15Inch 7.09 8.66 10.83 4.13 4.13 0.591. DN65 / PN10 2. DN50 / PN10 3. Outlet 4. Inlet*Flanges available in both DIN and ANSI standardsTechnical Data50 Hz 60 HzNominal capacity(saturated) 260 m 3 h -1 320 m 3 h -1150 CFM 180 CFMSuction pressure 33 mbar 33 mbar25 Torr 25 TorrNominal speed 1450 rpm 1750 rpmNominal motorpower7.5 kW 11 kW10 HP 15 HPOrdering InformationProduct DescriptionLR1A300 Liquid Ring PumpOrder No.LR1A300Shop online at www.edwardsvacuum.com