Vacuum Catalogue - Edwards

LR1A4000 Liquid Ring PumpEdwards offers a full range of liquid ring pumps. The LR1A4000 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 inletpressuresFlange-mounted casing construction for extra rigidityTop and side inlet/outlet flange options for installations withlimited headroomPacked gland, single and double mechanical seal optionsDimensionsApplications●The LR1A4000 is ideal for condenser evacuation, pulp andpaper, filtration, flue gas desulphurization, vacuum forming andchemical and petrochemical applications.Performance Curves10Page422A (keyway) B C D E F G H Jmm 106 315 790 1580 815 890 1360 480 670Inch 4.17 12.40 31.10 62.20 32.09 35.04 53.54 18.90 26.38K M N P R S T Lmm 495 137 475 1185 230 230 205 4 holes Ø 35Inch 19.49 5.39 18.70 46.65 9.06 9.06 8.07 1.381. DN200 / PN10 2. DN150 / PN10 3. DN150 / PN10 4. Outlet 5. Inlet*Flanges available in both DIN and ANSI standardsTechnical Data50 Hz 60 HzNominal capacity(saturated) 4000 m 3 h -1 3800 m 3 h -12350 CFM 2250 CFMSuction pressure 33 mbar 33 mbar25 Torr 25 TorrNominal speed 740 rpm 710 rpmNominal motorpower110 kW 110 kW150 HP 150 HPOrdering InformationProduct DescriptionLR1A4000 Liquid Ring PumpOrder No.LR1A4000Shop online at www.edwardsvacuum.com