CEM – ABR Bronze Multi Stage Self Priming Pump


Pump body & impellers: Bronze
Pump cases and diffusers: Bronze
Shaft: AISI 316 Stainless steel
Mechanical seal: Ceramics, Graphite

DATA SHEET – Multi-stage self-priming pump



CEM ABR Multi Stage Self Priming Pump
Image of CEM ABR Multi Stage Self Priming Pump

CEM ABR electric Bronze Multi-Stage Self Priming Pump made of bronze fitted with radial impellers. These pumps are widely used in the nautical sector to empty bilges, fire-fighting washing of chains and for the transfer of fuel and oil

A multi stage self priming pump with radial impellers have an incredible ability to self prime in a very short time and produce incredible positive pressure on delivery

These pumps are specifically good for use for fire fighting and emergency pump out of the bilges

Installing a strainer and non-return valve at the suction inlet recommended

CEM - ABR Bronze Multi-Stage Self-Priming Pumps - Technical Specs
CEM – ABR Bronze Multi-Stage Self-Priming Pumps

Direct current: 

  • Wound field electric motor 24V DC
  • Protection IP23
  • Insulation Class F
  • Continuous Duty (S1)

Alternating current:

  • Induction electric motor
    • 110V single-phase (available on request)
    • 230V single-phase
    • 230~400VAC Three-phase
    • 400~690VAC Three Phase
  • Protection IP55
  • Insulation Class F
  • Continuous Duty (S1)

Scope of operation: Liquid free of solid impurities
Temperature range of the liquid: from + 0 to + 90 °C.
Max. suction depth: 9 m
Static pressure inside the pump body: 20 bar max.


Dimensional data for the ABR DC Range
Dimensional data for the ABR DC Range


Dimensional data for the ABR AC Range
Dimensional data for the ABR AC Range

The liquid-ring pump compresses its medium by rotating a vaned impeller located eccentrically within a cylindrical casing. Liquid (usually water) is fed into the pump and, by centrifugal acceleration, forms a moving cylindrical ring against the inside of the casing. This liquid ring creates a series of seals in the space between the impeller vanes, which form compression chambers. The eccentricity between the impeller’s axis of rotation and the casing geometric axis results in a cyclic variation of the volume enclosed by the vanes and the ring

Liquid-ring systems can be single- or multistage. Typically a multistage pump will have up to two compression stages on a common shaft. In vacuum service, the attainable pressure reduction is limited by the vapour pressure of the ring-liquid. As the generated vacuum approaches the vapour pressure of the ring-liquid, the increasing volume of vapor released from the ring-liquid diminishes the remaining vacuum capacity. The efficiency of the system declines as a result

 Manufacturers page for ABR Pumps

Additional information


24V DC, 230V, 230~400V, 400~690V

Max Delivery

150L/min, 220L/min, 400L/min, 600L/min

Max Head

25m, 35m, 38m, 41m, 43m, 50m, 72m, 78m, 82m, 85m, 130m

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