Multistage Centrifugal Pumps The pump will be driven by electrical motor assembled on a common base plate with the pump through a flexible coupling. Motor: 380/3/50 - Insulation class F - IP55 - Speed: 2900 rpm Pump Materials: Pump casing (Discharge/Suction): A216WCB/GG25 Impeller: GG25 Shaft: AISI 420 Shaft sleeve: Stainless steel AISI 316 Bearing type: Radial and axial bearings: Rollers Lubrication: Oil Sealing Type: Mechanical Seal