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Cylinder Air Compressor Test Rig Manufacturer,Supplier and Exporter in India

Product Code : EL-TELE-9441
Jlab Export is a leading Cylinder Air Compressor Test Rig Manufacturer,and suppliers in India

Air passes through two cylinders in turn on this test rig, so students can follow each stage of compression. The compressor has two stages and twin cylinders, runs from a 3 HP three phase motor and is rated at about 300 LPM displacement. Its storage tank doubles as the base, and the maximum working pressure is 12 kg/cm².

Specifications

Compressor	Twin cylinder, two stage
Displacement	About 300 LPM
Maximum pressure	12 kg/cm²
Electric motor	3 HP, three phase
Base	Storage tank
Intake air measurement	Orifice tank, orifice plate and manometer with pressure tapings
Temperature readings	Digital indicator, suction and delivery side
Stage pressure	Pressure gauges
Fittings	Pressure switch, suction filter, safety valve, pressure gauge, water drain valve, air delivery valve
Minimum order quantity	1 unit
Dispatch time	Usually 14–18 working days
Manufacturer	JLab (Jain Laboratory Instruments Pvt Ltd), Ambala, India

Two Stage Compression Experiments

One standard exercise checks the stage pressures. Students hold the tank at a chosen delivery pressure, read the stage gauges and compare the intermediate pressure with its ideal value. That value is the square root of suction pressure times delivery pressure, both taken as absolute. They repeat the check at three or four delivery pressures up to the maximum.

The digital indicator gives the suction and delivery temperatures at each pressure. Students plot delivery temperature against delivery pressure and compare it with a run on a Single Stage Air Compressor Test Rig, where one stage does all the compression. Timing the tank pressure build-up with a Digital Stopwatch shows the output falling as the tank pressure rises.

Frequently Asked Questions

What is the ideal intermediate pressure for two stages?
For the least total work with perfect intercooling, it is the square root of the suction pressure times the delivery pressure, both absolute. Each stage then works at the same pressure ratio. Students compare this figure with the stage gauge reading.

What is 12 kg/cm² in bar and psi?
It is about 11.8 bar or 171 psi. The pressure gauges read pressure above the atmosphere, so add about 1 bar to get the absolute pressure used in the calculations.

Is 300 LPM the air the rig delivers?
No. 300 LPM is the displacement, the volume the first stage piston sweeps each minute. The free air actually delivered is lower because of clearance air, leakage and heating at the inlet. The orifice tank reading gives the real intake figure.

What electrical supply does the motor need?
The 3 HP motor is a three phase machine, so the rig must be wired to a three phase supply. Its rated output is about 2.2 kW, and the input drawn from the supply is somewhat higher.

What does the suction filter do?
It stops dust in the room air from entering the first cylinder, where it would score the bore and the valves. A clogged filter also lowers the intake pressure, so check and clean it before a class takes readings.