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Demonstration Francis Turbine
Demonstration Francis Turbine (Product Code: SLE/MCE/44) is a small reaction water turbine used to study how guide vane setting, flow and speed affect turbine torque, power and efficiency in hydraulic machines laboratories. Rated at 350 W at 1500 rpm, it has a spiral housing, adjustable guide vanes, a band brake with spring balances and a non-contact speed sensor. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Turbine type | Francis (reaction) turbine with spiral housing and adjustable guide vanes |
| Output | 350 W at 1500 rpm, 270 L/min, head approx. 15 m |
| Maximum speed | 3000 rpm |
| Rotor | 11 blades; 7 vanes |
| Medium diameter | 60 mm |
| Angle of attack | 0 to 20° |
| Torque measurement | Band brake read on spring balances, 0 to 9.81 Nm |
| Pressure measurement | Manometer at the turbine inlet, 0 to 4 bar absolute |
| Speed measurement | Non-contact speed sensor, 0 to 4000 rpm |
| Dimensions | 1000 x 800 x 1200 mm |
| Weight | 90 kg |
| Product code | SLE/MCE/44 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Demonstration Francis Turbine Used For?
Francis turbines drive most medium-head hydropower stations, and this bench-scale version lets students follow the energy conversion step by step. Water enters through the spiral housing, is accelerated and turned by the adjustable guide vanes, and gives up both pressure and kinetic energy in the impeller — which is what makes it a reaction turbine rather than an impulse machine.
In a typical test the band brake is tightened in steps while students log spring balance forces, speed from the non-contact sensor and inlet pressure from the manometer. Torque times speed gives shaft power, and dividing by hydraulic power gives efficiency, so curves of power and efficiency against speed can be drawn for several guide vane angles between 0 and 20°. It is a compact choice among engineering lab equipment in India for hydraulic machines practicals where floor space is limited.
What to Specify When Ordering
- Your water supply arrangement: the rated output is quoted at 270 L/min and a head of approx. 15 m, so state whether a suitable pumped supply is already available.
- Number of turbines and whether other hydraulic machines are being ordered for the same laboratory.
- Delivery location in India or abroad, for packing and freight.
OEM Manufacturer
Jain Scientific Equipments Private Limited, trading as ScienceLab, is the OEM (original equipment manufacturer) of the Demonstration Francis Turbine. The turbine casing, guide vane mechanism, brake assembly and frame are made and assembled at the company's own licensed factory at Saha, Ambala, Haryana, India.
Colleges, dealers and importers therefore buy straight from the source, and later needs such as a replacement brake band or spring balance are handled by the same manufacturer — just ask us. Visit the ScienceLab company profile to learn more about the company.
Related Fluid Mechanics Equipment
Turbines and trainers that complement this unit in a hydraulic machines laboratory:
- Francis Turbine Trainer — a larger computer-linked Francis set with generator loading.
- Francis Turbine — a reaction turbine with a viewing window and draft tube.
- Demonstration Pelton Turbine — the impulse-turbine counterpart for side-by-side comparison.
- Pelton Turbine Test Rig — another band-brake turbine rig for performance tests.
See the Fluid Mechanics category for pumps, turbines and flow apparatus.
Frequently Asked Questions
What does the Demonstration Francis Turbine measure?
The Demonstration Francis Turbine measures torque through a band brake read on spring balances, rotational speed with a non-contact sensor and inlet water pressure with a manometer. From these, students calculate shaft power, hydraulic power and turbine efficiency.
What is the rated output of the Demonstration Francis Turbine?
The Demonstration Francis Turbine is rated at 350 W at 1500 rpm, with a flow of 270 L/min and a head of approximately 15 m. Its maximum speed is 3000 rpm.
How are the guide vanes adjusted?
The Demonstration Francis Turbine has adjustable guide vanes with an angle of attack from 0 to 20°. Changing the angle alters how the water is accelerated and directed onto the 11-blade rotor, so students can compare performance at several settings.
What are the measuring ranges?
The Demonstration Francis Turbine measures torque from 0 to 9.81 Nm, inlet pressure from 0 to 4 bar absolute and speed from 0 to 4000 rpm, which covers its full operating range up to the 3000 rpm maximum speed.
What water supply does the turbine need?
The Demonstration Francis Turbine delivers its rated 350 W at about 270 L/min and 15 m head. The supply arrangement to suit your laboratory should be confirmed at quotation, so please describe your set-up on the contact page.
Who manufactures the Demonstration Francis Turbine?
The Demonstration Francis Turbine is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own factory in Ambala, Haryana, India, and it is supplied factory-direct to institutions, dealers and importers.
Request a Quote
To receive a quotation for the Demonstration Francis Turbine (SLE/MCE/44), use the contact page or the enquiry cart, mentioning your water supply and delivery location. Quotations come directly from the manufacturer.
Last updated: 24 September 2026
