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Water To Air Heat Exchangers
Water To Air Heat Exchangers (Product Code: SLE/EA/20) is a benchtop test unit used to study cross-flow heat exchangers that pass heat from hot water to a stream of cooling air in engineering laboratories. Mirroring air heating and water cooling applications, it combines a hot water supply, an orifice-metered air duct with a centrifugal fan, and all the instruments needed for testing. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer and lab equipment exporter in India, at its own factory in Ambala.
Key Details
| Parameter | Detail |
|---|---|
| Application | Mirrors air heating and water cooling applications; tests on cross-flow heat exchangers |
| Mounting | Fits on a benchtop; includes hot water supply, cooling air duct and all instruments needed |
| Water side | Electrically operated valve fills the tank; precision needle valve and flow meter control and measure the water flow rate |
| Tank protection | Against over temperature, low water level and overfilling |
| Air path | Air passes down a vertical duct with an orifice plate, through a fixed speed centrifugal fan, along a horizontal duct containing the heat exchanger, and exits through a hand-operated slide valve |
| Air flow measurement | Orifice plate connected to a differential pressure transducer; flow controlled with the slide valve |
| Temperatures | Thermocouples at the water connectors and in the air duct for hot and cold inlet and outlet temperatures |
| Connections | Self-sealing quick connectors for the heat exchangers' water supply |
| Room impact | Heat output gives good results without greatly affecting the temperature of a reasonable-size classroom or laboratory |
| Product code | SLE/EA/20 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Water to Air Heat Exchanger Unit Used For?
Students set the hot water flow on the needle valve and the air flow on the slide valve, read the air flow from the orifice plate pressure difference, and record the inlet and outlet temperatures of both streams. Comparing the heat given up by the water with the heat picked up by the air gives an energy balance, the same principle behind a car radiator or an air-conditioning coil.
Changing the air flow while holding the water conditions steady shows how strongly the air side governs the heat transfer rate. Because its heat output does not greatly warm a reasonable-size room, the unit is practical for polytechnics buying vocational training lab equipment for HVAC and thermal courses.
What to Specify When Ordering
- Which water-to-air heat exchangers you want supplied for the unit, since they connect by self-sealing quick connectors.
- The bench space available, as the unit is designed to fit on a benchtop.
- The number of units needed for your laboratory groups.
OEM Manufacturer
ScienceLab is the trading name of Jain Scientific Equipments Private Limited, the OEM (original equipment manufacturer) that produces this water-to-air unit at its own licensed factory at Saha, Ambala, Haryana, India. Institutional and tender buyers who need vendor registration details can note the company's GSTIN 06AAECJ8618A1ZT and LEI 3358004HRD1JIVXKYX49. Quotations, repeat orders and questions about additional heat exchangers are handled by the manufacturer itself. More is on our company profile.
Related Thermodynamics & Heat Transfer Lab Equipment
Other air-side and heat exchanger experiments to consider:
- Cross Flow Heat Exchangers — forced convection across rods in a wind tunnel working section.
- Heat Exchanger — a water-to-water service unit for comparing liquid-side exchangers.
- Free and Force Convection Apparatus — the convection fundamentals behind air-side heat transfer.
- Computerized Cooling Tower Test Bench — another way of rejecting heat from water to air.
See the complete Thermodynamics & Heat Transfer Lab Equipment range.
Frequently Asked Questions
What type of heat exchanger does the unit test?
The Water To Air Heat Exchangers unit is built for tests on cross-flow heat exchangers, in which hot water flows through the exchanger while cooling air passes across it along the horizontal duct, mirroring air heating and water cooling applications.
How is the air flow measured and controlled?
On the Water To Air Heat Exchangers unit, air passes an orifice plate connected to a differential pressure transducer to measure flow, is driven by a fixed speed centrifugal fan, and is controlled with a hand-operated slide valve at the duct exit.
How is the water flow set?
A precision needle valve and flow meter on the Water To Air Heat Exchangers unit control and measure the water flow rate, while an electrically operated valve fills the tank, which is protected against over temperature, low level and overfilling.
Where are the temperatures measured?
Thermocouples at the water connectors and in the air duct of the Water To Air Heat Exchangers unit measure the hot and cold inlet and outlet stream temperatures, giving everything needed for an energy balance.
Will the unit heat up the classroom?
No, not greatly. The Water To Air Heat Exchangers unit is designed so that its heat output produces good results without greatly affecting the temperature of a reasonable-size classroom or laboratory.
Who manufactures the Water To Air Heat Exchangers unit?
Jain Scientific Equipments Pvt Ltd, trading as ScienceLab, manufactures the Water To Air Heat Exchangers unit as the OEM at its own licensed factory in Saha, Ambala, Haryana, India, and supplies it directly to colleges and trade buyers.
Request a Quote
For a quotation on the Water To Air Heat Exchangers unit, contact us through the contact page or add it to the enquiry cart. Quotations are sent directly by the manufacturer to buyers in India and international markets.
Last updated: 24 September 2026
