Vacuum Catalogue - Edwards

LR1A12000 Liquid Ring PumpEdwards offers a full range of liquid ring pumps. The LR1A12000 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 LR1A12000 is ideal for condenser evacuation, pulp andpaper, filtration, flue gas desulphurization, vacuum forming andchemical and petrochemical applications.Performance Curves10A (keyway) B C D E F G H JPage427mm 169 375 1270 2255 1460 2160 775 1120Inch 6.65 14.76 50.0 88.78 57.49 85.04 30.51 44.09K M N P R S T Lmm 858 215 800 1875 385 385 285 4 holes Ø 42Inch 33.78 8.46 31.50 73.82 15.16 15.16 11.22 1.651. DN350 / PN10 2. DN300 / PN10 3. DN150 / PN10 4. Outlet 5. Inlet*Flanges available in both DIN and ANSI standardsTechnical Data50 Hz / 60 HzNominal capacity (saturated) 11700 m 3 h -16900 CFMSuction pressure33 mbar25 TorrNominal speed470 rpmNominal motor power315 kW450 HPOrdering InformationProduct DescriptionLR1A12000 Liquid Ring PumpOrder No.LR1A12000Shop online at www.edwardsvacuum.com