Submersible Pump

Application

Deep-well units are designed for use in water supply systems, for pumping and increasing liquid pressures in technological processes, reduction of ground water level, watering systems, and other industrial and residential applications.

Essential advantages of type deep-well pumps

• the pump unit may be installed in a suspended, standing or horizontal position without necessity to rebuild foundations
• may be installed in drilled, small-diameter wells without suction jackets
• may be installed in drilled, large-diameter wells and in large tanks, with the use of suction jackets
• pump unit may be installed directly in the pipeline, in a hermetic jacket in a vertical or horizontal position
• may be incorporated with the pump unit by-pass in parallel to the pipe line, in a hermetic jacket in a vertical or horizontal position
• incorporation of the pump unit is simplified by the linear position of stub pipes in the hermetic jacket
• space requirement is minimized due to compact design
• standardized design of the connections and couplings of the pumps and motors according to NEMA, which is accepted and used by all deep-well pump manufacturers in the world
• a splined slide-over coupling enables torque to be transferred efficiently and durably without any maintenance, for a simplified assembly/disassembly/replacement and facilitated servicing
• the pump/motor bearing arrangement requires no maintenance, it is lubricated by the pumped liquid in the pump and by the liquid that fills the motor in the motor, which enables heat of energetic losses to be removed therefrom
• the pump unit, submersed in a hermetic jacket or tank, produces no noise

Liquids handled

Deep-well pumps are designed for use in handling raw or treated potable water, sea water, as well as for mineral and thermal applications, with no long fibers or abrasive content.

Mechanical impurities in the liquids handled may be up to 100 mg/l of water; for pump units where impellers and stators are made of plastic, they may be up to 50 mg/l of water.

Impurities that might cause creation of deposits in the pump and on the motor are inadmissible. If this is unavoidable, the deposits of 0.5 mm maximum must be removed.

Liquids liable to cause accelerated corrosion or erosion of the pump construction materials must never be used.
Liquids other than water may be handled subject to manufacturer’s approval.

Operating data

• Capacity Q: 0,9 ÷ 420 m³/h
• Delivery head H: up to 642 m
• Liquid maximum temperature t: up to 25^oC*

* for higher temperatures, please contact the manufacturer every time

Motors used in deep-well units

Deep-well pumps are manufactured fitted with wet-type submersible electric motors.
Other types, ones having a flange connection and dimensions according to NEMA, may be used, if required.