marine vortex pump China Deyuan Marine Fitting Co.,ltd are leading supplier of marine pumps,such as marine diesel emergency fire pump,vortex marine water pump,marine centrifugal water pump etc.Pls contact us for more details. 1W(Z),W series marine self-priming swirl pumps are applicable to pumping clear water and light eroding medium. The pump rotates clockwise viewed from motor. Type 50HZ,3phase,380V main techinical parameter Motor power (kw) Remarks Capacity (m3/h) Head (m) Speed (r/min) NPSHR (m) Shaft power (kw) 1W-3 3 10 1450 6 0.42 0.75 No exhaust 1WZ-3 3 10 1450 6 0.42 0.75 Self-priming 1W-0.9 1.8 25.5 1450 3.5 0.625 1.5 No exhaust 1WZ-0.9 1.8 25.5 1450 3.5 0.625 1.5 Self-priming &&&& 275N CE approval inflatable life jacket CO2 fire extinguishing system Marine horizontal/vertical oil fired boiler Marine air compressor marine centrifugal pump marine hydraulic steering gear Hydraulic capstan Tunnel thruster/bow thruster &&&&