Hydraulic Ram Pump (Product Code: SLE/EFM/24) demonstrates a pump with no motor at all: it uses the momentum of a large, slow-moving column of water to lift a smaller amount of water to a higher level. The apparatus has three main parts — a wall-mounted header tank, the pump, and the interconnecting pipework — with an inner and outer valve on the supply pipe and an air vessel to reduce hydraulic shock. It is used in mechanical, civil and agricultural engineering teaching, and is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, a laboratory instruments supplier in India.
| Parameter | Detail |
|---|---|
| Pump type | Hydraulic ram — not a normal mechanically-operated pump |
| Main parts | Header tank, pump, and interconnecting pipework |
| Header tank | Mounts to a suitable wall |
| Valves | Supply pipe fitted with an inner and an outer valve |
| Outer valve loading | Weight platform for loading with the weights provided, which changes the pump’s cycle times |
| Shock control | Air vessel to reduce hydraulic shock |
| Weights | Provided |
Water runs down the supply pipe from the header tank and escapes through the outer valve until its speed is enough to snap that valve shut. The sudden stop acts like a plunger: the moving column’s energy forces some water through the inner valve into the delivery pipe, the air vessel cushions the pressure pulse, and the cycle repeats on its own. Students measure how much water is delivered and how much is spilled at the outer valve, then calculate the pump’s efficiency from the flows and heads involved.
Adding weights to the outer valve platform changes how long each cycle lasts, so the class can investigate how cycle time affects delivered flow and efficiency. Fix the header tank securely to a wall that can carry its full weight of water, keep the valves free of debris, and check the air vessel still holds air if the pump becomes noisy. The ram pump is a memorable way to show how the water hammer effect can be turned into useful work in places without electricity.
Our hydraulic ram apparatus is manufactured by Jain Scientific Equipments Private Limited, better known by its ScienceLab brand, in Ambala, Haryana. Registered as an MSME manufacturing enterprise (Udyam UDYAM-HR-01-0003714), the company ships overseas orders under DGFT Importer-Exporter Code AAECJ8618A. Visit the company profile for more background.
Items that help with running and measuring a ram pump experiment:
See more hydraulics apparatus in the Fluid Mechanics category.
Does the ram pump need electricity?
No. It is not a normal mechanically-operated pump; it runs on the momentum of water flowing down from the header tank.
What is supplied?
The header tank, the pump with its inner and outer valves and air vessel, the interconnecting pipework, and the weights for the outer valve platform.
How is the header tank installed?
It mounts to a suitable wall, so plan a sturdy wall location near a water supply and drain.
What do the weights do?
Loading the outer valve platform with the weights provided changes the pump’s cycle times, letting students study their effect on performance.
What delivery height can it achieve?
Head and flow figures are not given in our current product details; contact us for performance data.
What warranty is offered?
Warranty terms are stated in the quotation; ask us for the current terms.
Can you supply several units for a department or an export order?
Yes. Share the quantity and delivery location, and we will send pricing and lead time.
For a quotation on the Hydraulic Ram Pump, contact us or add it to your enquiry cart. We serve customers in India and international markets.
Last updated: 24 September 2026