Pelton Turbine Test Rig
Product Code : EL-TMLE-10690
Quick Answer: The Pelton Turbine Test Rig is a demonstration and testing unit built around a miniature Pelton wheel with a needle-nozzle spear-valve arrangement, mounted on a support frame that fits onto the Hydraulics Bench top channel, with a transparent housing panel to observe the water jet striking the turbine buckets. Turbine torque is measured with a band brake and spring balances, speed is measured with a non-contact sensor, and inlet pressure is shown on a manometer, allowing power output and efficiency to be determined and, with the optional educational software, evaluated against the theory.
The Pelton Turbine Test Rig experimental unit consists of the Pelton wheel, a needle nozzle used as distributor, a band brake for loading the turbine, and a housing with a transparent front panel that enables the water flow, the Pelton wheel, and the nozzle to be observed during operation. The nozzle cross-section and thus the flow rate are modified by adjusting the nozzle needle; the water jet is accelerated in the nozzle and hits the Pelton wheel tangentially, and in the blades on the circumference of the Pelton wheel the water jet is deflected by approximately 180°, transmitting its impulse to the Pelton wheel.
The turbine torque is determined by force measurement on a band brake and is read on spring balances, while the rotational speed is measured using a non-contact speed sensor. This accessory comprises a miniature Pelton wheel with spear-valve arrangement mounted on a support frame, which fits on to the Hydraulics Bench top channel, and the mechanical output from the turbine is absorbed using a simple friction dynamometer. Basic principles of the Pelton turbine may be demonstrated and, with appropriate measurements, power produced and efficiency may be determined.
FEATURES:
Turbine to place upon the hydraulic bench top service unit.
Illustrative model of a Pelton turbine.
Turbine wheel inside cast housing with acrylic panel to enable viewing.
Mechanical torque measured using dynamometer with spring balances.
Manometer shows pressure at turbine inlet.
Evaluation of measuring values and characteristics based on the theory.
Quick-release fitting for easy connection to Hydraulics Bench.
Educational software available as an option.
SPECIFICATIONS:
Pressure gauge range: 0-25m H2O
Number of Pelton buckets: 16
Diameter of Pelton wheel: 123mm
Force balance range: 0-20N x 0.2N
Power required: 230v, 50hz, 1ph
Pelton turbine :
Speed range: 0-2000 rpm
Brake power: 10W
DIMENSIONS AND WEIGHT:
LxWxH: 1000x800x1200mm
Weight: approx. 90 kg
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Last Updated: September 2026
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