Submersible Pump Test Rig
Product Code : EL-TMLE-10685
Quick Answer: The Submersible Pump Test Rig is a self-contained, closed-circuit unit built around a self-priming submersible pump housed with a sump tank, letting students study the pump's performance under a variable-speed drive controlled via a frequency converter. A ball valve on the outlet side is used to adjust the head, while vacuum and pressure gauges on the suction and delivery lines, a proximity-sensor RPM indicator, and a measuring tank with stopwatch record the readings needed to plot the pump's characteristic curve. From these readings students can determine the flow rate, calculate the hydraulic power delivered by the pump, measure the electrical drive power, and work out the pump's efficiency at different speeds.
The Submersible Pump Test Rig is a self-contained unit operated on a closed-circuit basis, containing a sump tank, a self-priming submersible pump, a ball valve on the outlet side, and manometers on the inlet and outlet side. The set-up consists of a submersible pump coupled with a DC motor, whose power input is varied by means of a thruster-controlled DC drive to vary the motor's RPM, and an RPM indicator with a proximity sensor shows the pump speed. An asynchronous motor drives the unit, with the speed infinitely adjustable by using a frequency converter, and a ball valve is used to adjust the head.
Flow of water is measured using a measuring tank and stopwatch, while a vacuum gauge fitted on the suction line and a pressure gauge fitted on the delivery line measure the pressure. The unit is positioned easily and securely on the work surface: the pump draws water from the tank, and the flow rate is determined volumetrically by measuring the water flowing back into the measuring tank.
FEATURES:
Characteristic curve of a Submersible pump
Investigation of a Submersible pump
Drive with variable speed via frequency converter
Determining the flow rate
Recording the pump characteristics for different speeds
Power and efficiency curves
Measuring the electrical drive power
Ball valve to adjust the head
Manometers on the inlet and outlet side of the pump
Digital display of speed and power
Measuring the inlet and outlet pressure
Determining the hydraulic power
Calculating the efficiency
SPECIFICATION:
Pump :
Variable speed
Maximum flow rate: 70lpm
Maximum head: 7 mtr
Power rating: 0.75 kw
Measuring instruments :
Pressures gauge/sensors
Vacuum gauge/sensor
Flow meter
Power required: 230v 1ph 50hz
DIMENSIONS AND WEIGHT:
LxWxH: 1000X 500 X 700 mm
Approx.: 80kg
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Last Updated: September 2026
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