Positive Displacement Gear Pump: General purpose monoblock pump, close coupled model suction/discharge: in line, Lubrication: idler bearing and main bearing lubricated by pump medium Materials: Casing/Covers: GG 25, Rotor/Idler: GG 25, Shaft: St. 60.2, Shaft seal: Teflon-impregnated non-asbestos packing