BW Submersible Pump 3,5SD 2/14 - 0,55 kW, 5/4"

Product detailed description

The multistage submersible pump 3.5" 3.5SD 2/14 has a power output of 0.55 kW, an optimal flow rate of 1.8 m³/h (30 l/min) and is powered by a 230 V supply.

The hydraulic part of the pump consists of a stainless steel casing, brass suction and discharge chambers, and ten floating impellers made of noryl with performance curve tolerance within the ISO9906 range.

The pump is supplied as standard with a 20-metre suspension cable and an original 4PM rewindable oil-filled motor equipped with an external capacitor box.

Use of the submersible pump:

• for pumping drinking and utility water from boreholes and tanks,
• irrigation, water supply for households and public buildings,
• for fire protection systems, pressure boosting,
• garden watering, field irrigation.

TECHNICAL PARAMETERS OF THE PUMP

• Max. temperature of pumped water - 35 °C
• Max. sand content in water - 0.25%
• Min. internal borehole diameter - 100 mm
• Pump length - 861 mm
• Pump diameter - 89 mm
• Power output - 0.55kW
• Voltage - 230V
• Max. flow rate - 3.3 m³/h
• Optimal flow rate - 1.8 m³/h | 30 l/min
• Optimal head - 66 m
• Max. head - 83 m
• Discharge thread diameter - 5/4"
• Cable length - 20m

Performance and efficiency curve of the pump 3.5SD 2/14

Purpose and function of the pump

Pumps act as pumping units that transfer kinetic energy to the fluid flowing through them. Water enters the tank due to negative pressure and then exits it due to overpressure. Electrical energy driving a motor is most commonly used to power the pump.