hand 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. This product is of double-acting reciprocating piston structure,suitable for delivery of fresh water,fuel sewage and non-corrosive liquids.It is not suitable for the liquids containing fibers or other solid granules. Y type in the CCS series pumps are used to draw oils or freshwater:Y type in the CS series pumps are used to draw seawater.I,III series hand pumps are used to draw freshwater. Type Main technical parameter Capacity (L/min) Pressure head(m) Recipro-cation (1/min) Suction head (m) Cylinder diameter (mm) Piston stroke(mm) CS-20 20 20-25 50 5 65 68 CS-20Y,CS-20H 20 25 50 6 65 68 CS-25Y, CS-25H 32 25 50 6 75 80 CS-32 40 20-25 50 5 88 90 CS-32Y CS-32H 48 25 50 6 88 90 CS-40Y CS-40H 65 25 50 6 95 96 I 20 30 80 5 65 50 III 65 30 52 5 100 68 &&&& 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 &&&&