Axially Split Case Pump Type PDH coupled to electric motor 380V/50Hz/3 phase, IP55, 2900 rpm, Class F insulation. The pump and the motor are based on a common base plate through a flexible coupling and coupling guard Casing: Cast iron, Impeller: Zinc free bronze, Casing wear rings: Zinc free bronze, Shaft: High tensile steel, Shaft sleeves: Stainless steel, Bearing: Grease lubrication ball bearing