Vacuum Catalogue - Edwards

LR1B21000 Liquid Ring PumpEdwards offers a full range of liquid ring pumps. The LR1B21000 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 LR1B 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 LR1B21000 is ideal for fly ash conveying, pulp and paper,filtration, flue gas desulphurization, methane extraction in miningand chemical and petrochemical applications.Performance Curves10A (keyway) B C D E F G H JPage445mm 180 400 2129 3159 1638 2355 2688 1620 1320Inch 7.09 15.75 83.82 124.37 64.49 92.72 105.83 63.78 51.97K M N P R S T Lmm 1025 244 950 2285 435 435 370 4 holes Ø 48Inch 40.35 9.61 37.40 89.96 17.13 17.13 14.57 1.894. Outlet 5. Inlet*Flanges available in both DIN and ANSI standardsTechnical Data50 Hz / 60 HzNominal capacity (saturated) 22500 m 3 h -113250 CFMSuction pressure180 mbar135 TorrNominal speed330 rpmNominal motor power550 kW750 HPOrdering InformationProduct DescriptionLR1B21000 Liquid Ring PumpOrder No.LR1B21000Shop online at www.edwardsvacuum.com