Vacuum Catalogue - Edwards

EHR2390 Liquid Ring PumpWithin Edwards’ full range of liquid ring vacuum pumps, the EHR series offers a two-stageconstruction for peak performance at low suction pressures. Liquid ring pumps are ideal forpumping either dry or wet gases, with a high tolerance to liquid carry over.Pumps can be supplied as bareshaft or as part of a package complete with drive motor,discharge separator, heat exchanger and other accessories for recirculation of the sealliquid. In addition, all Edwards liquid ring pumps are available as part of ATEX category 1 orcategory 2 pump systems.Features & Benefits●●●●●This model is the EHR2390 Cast Iron material variant.Two stage design - peak efficiency at high vacuumOperates across entire vacuum rangeMechanical shaft sealsChoice of construction materialsRugged, robust constructionDimensionsApplications●The EHR2390 is ideal for vacuum distillation and evaporatorapplications in the chemical, pharmaceutical and bio-fuelsindustry, and is also suited to condenser air extraction in thepower industry.Performance Curves10Page405Technical Data50 Hz 60 HzNominal capacity 390 m 3 h -1 440 m 3 h -1Suction pressure 30 mbara 30 mbaraNominal speed 1470 rpm 1740 rpmNominal motor power 11 kW 15 kWWeight 160 kg 160kgMaterials of constructionOrdering InformationProduct DescriptionEHR2390 Cast IronEHR2390 Stainless SteelEHR2390 Stainless Steel FittedOrder No.A80020000A80021000A80025000CasingBodyImpellerShaftSealsCast IronCast IronSG Iron420S37MechanicalShop online at www.edwardsvacuum.com