Standard 6/4 D-G Wear Resistant Gravel Pump Metal Cover and Impeller,Interchangeable with Warman G Pump Max Power: 60KW Flow Rate: 36-250 m3/h Head:7-56 m Pump Speed: 600-1400 RPM Efficiency: 56% Impeller and Cover Plate Material: A05 High Chrome Alloy or as requested Seal Type: Gland Packing Seal, Expeller Seal, Mechanical Seal Contact Mary