CEM – Self Priming Hand Pumps


Construction features:

EX series: semi-rotary hand pump, self-priming, double action, reciprocating action with the body and internal parts made of bronze (B) or cast iron body and cover and internal parts made in bronze (GB), On request Viton seals (V)
SL series: piston hand pump, self-priming, double action, reciprocating action with the body and internal parts made of bronze (B), cast iron body and cover (G), cast iron body and cover and Viton seals (GV)

DATA SHEET – CEM Pumps EX and SL (Hand Pumps)




Hand pumps widely used for empty bilge and for transfer liquid such as fresh water, sea water, diesel-oil and oil.

Hand pumps are manually operated pumps; they use human power and mechanical advantage to move fluids or air from one place to another. They are widely used in every country in the world for a variety of industrial, marine, irrigation and leisure activities. There are many different types of hand pump available, mainly operating on a piston, diaphragm or rotary vane principle with a check valve on the entry and exit ports to the chamber operating in opposing directions. Most hand pumps are either piston pumps or plunger pumps, and are positive displacement


Additional information

Pump Type

Piston, Semi Rotary

Construction Material

Bronze, Cast Iron, Cast Iron & Viton

Max Delivery

8l/min, 13l/min, 16l/min, 20l/min, 30l/min, 40l/min, 55l/min, 80l/min, 105l/min, 110l/min

Max Head

25m, 30m

About CEM

About CEM Pumps and Blowers

Established in 1970 C.E.M. elettromeccanica S.r.l. has been a leading manufacturer of electric pumps and DC motors primarily focussed for use in the maritime sector
In the 48 years we have been making motors and our constant expansion in the national and the international markets have resulted in the broadening of our extensive product range

highest quality materials

This makes us the ideal partner for large and medium-sized boat builders of pleasure, fishing and military vessels.
Our extensive range now includes:

  • DC and AC electric pumps
  • Belt driven pumps, with manual or electro magnetic clutch
  • hydraulically driven pumps
  • water pressure systems
  • centrifugal and axial blowers
  • diesel driven pumps
  • manual pumps
  • DC motors

Our commitment to using the highest quality materials used, the special care invested in the design and in the innovative production processes we adopt, we are able to offer excellent performances and a remarkable lifespan of our products exactly what you need when our product can offer extra hours of safety when in difficulty
All of our products are built to standards that are in accordance with classification and certification can be obtained from each of the bodies: Bureau Veritas, Det Norske Veritas (DNV), Lloyd’s Register and RINA