Dewatering Pumps

APPLICATIONS OF DEWATERING PUMPS ( POLDER PUMPS ) :
Dewatering from river bed, canal etc. Lift Irrigation, cooling water supply, storm water pumping stations, retention reservoirs, Industrial waste water supply, flood prevention  pumping stations, dewatering of mines, industrial and public water supply schemes, etc.

ADVANTAGES OF DEWATERING PUMPS ( POLDER PUMPS ) :

• To bring down the heavy cost of repairs, Calama Dewatering Pumps are designed to work virtually maintenance free, incorporating lubricated bearings.

• Our Pumps are designed to properly function at virtually any depth of water for any period of time.

• The cost of installing Calama Dewatering Pumps is considerably less than a conventional Pump for various reasons including the non-requirement of a Pump House.

• Calama Dewatering Pumps are designed to be sturdy and robust with a proven and winning design offering a desired performance.

• Calama Dewatering Pumps are easy to install & assemble.

DESIGN OF DEWATERING PUMPS ( POLDER PUMPS ) :
Calama Polder pumpsets are single / two stage centrifugal pump with impellers of mixed flow design. The water to be lifted flows through a passage tube and is pumped around the motor and up into the discharge main. The motor is a wet type water filled submersible motor, robust in design and light in weight. Motor cooling is done by delivery liquid ensuring long life by the jacketted construction.
Mechanical seal is provided to prevent entry of muddy and sandy water into the motor. Axial thrust is controlled by adequate thrust bearing.
Calama Polder  pump offers a wide range of models for lifting water from  6-90 mts. and a discharge of 800 to 18000 LPM. These pumps can take turbidity upto 10000 ppm and handle Maximum particale size upto 8 mm.