Vacuum Catalogue - Edwards

SHR21850 Liquid Ring PumpWithin Edwards’ full range of liquid ring vacuum pumps, the SHR 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 & BenefitsThis model is the SHR21850 Cast Iron material variant.Applications●●●●●Two stage design - peak efficiency at high vacuumOperates across entire vacuum rangeMechanical shaft sealsChoice of construction materialsRugged, robust constructionDimensions●The SHR21850 is ideal for vacuum distillation and evaporatorapplications in the chemical, pharmaceutical and biofuelsindustry, and is also suited to condenser air extraction in thepower industry.Performance Curves10Page410A B C D E F Gmm 2004 406 1100 498 850 900 1100Inch 78.89 15.98 43.30 27.20 19.60 35.43 43.30Technical Data50 Hz 60 HzNominal capacity 3280 m 3 h -1 3800 m 3 h -1Suction pressure 30 mbara 30 mbaraNominal speed 735 rpm 880 rpmNominal motor power 110 kW 132 kWWeight 1680 kg 1680 kgMaterials of constructionOrdering InformationProduct DescriptionSHR21850 Cast IronSHR21850 Stainless SteelSHR21850 Stainless Steel FittedOrder No.A80150000A80151000A80155000CasingBodyImpellerShaftSealsCast IronCast IronSG Iron420S37MechanicalShop online at www.edwardsvacuum.com