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Tejpal Engineers
Tejpal Engineers


Refrigeration & Air Condition Lab

Manufacturer of a wide range of products which include refrigeration test rig, window air conditioner test rig, mechanical heat pump and water cooler trainer.

Refrigeration Test Rig

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Refrigeration Test Rig
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Approx. Rs 1.25 Lakh / NoGet Latest Price

DESCRIPTION :-
The unit consists of a hermetically sealed compressor with water and air cooled co ndenser. A capillary and expansion va lves are next to condensers. The effect produce by refrigeration can be balance by electric heater. The rotameter is connected with condenser to measure liquid f low of refrigerant. Electrical energy supplied to the compressor and heater can be measured by Energymet er.

SPECIFICATI ON:-

1) Compressor - 1/3 HP

 

2) Air cooled c ondenser - Suitable for above compres sor with suitable cooling fan.

 

3) Expansion D evice:-

 

a) Capillary tube.

 

b) Thermostatic Expansion valve.

 

4) Evaporator coil - Suitable for above compressor im mersed in water tank.

 

5) Electric heater - For balancing refrigerating effect p roduced.

 

6) Refrigerant - Freon - 12.
7) Energymeter for power measurement of compressor and heater (calorimeter).

 

8) Dimmerstat - To control heater input.

 

9) Pressure gauge 2 Nos for HP and LP measurement.

 

10) Digital Temperature Indicator.

 

11)

Solenoid valve - 230v supply -

1

No.

12)

H.P. /L.P. output - To suit compressor unit.

13)

Sight glass -

1

No.

14)

Service valves -

7

Nos - Needle type.

15)

Ammeter -

1

No

16)

Voltmeter -

1

No

17) Thermostat -

1

No.

18)

Filter/ dryer -

1

No



SERVICE REQUIRED:-
1) Single phase 230v, AC supply.
2) Vacuum pump for charging and maintenances of equipment latter on.
3) Freon - gas -2kgs. Approx. for initial charging.
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Window Air Conditioner Test Rig

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Window Air Conditioner Test Rig
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Approx. Rs 88,000 / NoGet Latest Price

Capacity 1 TR

 

Window Air Conditioner with Kirloskar Compressor, suit able Air cooled condenser & evaporator with

 

Capillary as an expansion device, fitted with following   instrumentation:

 

 

 

1)   Rotameter: - for flow measurement of Refrigerant.

 

2)   Digital Temperature Indicator: - To measure temperature at various parts.

 

3)   Pressure gauge s: - for suction & delivery side.

 

4) Hermetic Com pressor: - carries overload & over current     protector.


 

 

 

5)   Unit carries different switches for operation and equipment is mounted on a sturdy frame.

 

6)   Refrigerant used: -  R-22 

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Mechanical Heat Pump

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Mechanical Heat Pump
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Approx. Rs 1.32 Lakh / NoGet Latest Price

DESCRIPTION:-

 

Heat pump and refr igerating machine basically work on o ne and the same principle and with the sa me components. Heat pump is a machine which delivers heat at a temperature suit able for Domestic, Industrial and com mercial purpose.

 

To achive useful heat out put through the heat pump, it extracts h eat from low grade heat source like air, wate r etc. By added work input from the m otor or engine it extracts heat from low gr ade source. In many circumstances heat pumps can made valuable contribution to energy conservation. The majority of h eat pumps on the vapour compression cycl e using a refrigerant as working fluid.

 

MECHANICAL HEAT P UMP is sealed R-134a refrigerant syst em using water to water heat pumping principle. The equipment produces realistic results and have low thermal intertia so th at unit stabilises very quickly and enables student’s maximum experimentati on.

 

REFRIGERATIO N CIRCUIT:

 

1)

Compressor

: Hermetically sealed Kirloskar make or

 

Equiv alent model (932 Kcal / hr rated Cooli ng capacity)

2)

Condensor

: Water cooled type shell & coil condenser with

 

refrigerant inside the tube.

3)

Expansion valve

: Thermostatic Expansion valve of suitable

 

 

capacity


 

 

 

4) Refrigerant

: Non CFC R-134a

 

5)

Rotameter

: To measure flow of refrigerant

 

6)

Evaporator

: Water cooled type shell & tube heat

 

exchanger

 

 

7)

Filter & dryer

: Suitable capacity.

 

8)

Water circuits : Provided with individual rotameters for both

 

evaporator and condenser with control valves separately.

 

9)

Digital Temperature : To measure the temperature at different

pts.

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Water Cooler Trainer

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Approx. Rs 1.95 Lakh / NoGet Latest Price

The apparatus consists of a storage water tank, embraced by evaporator coil of the cooling unit, cooling cycle comprises of a hermetically sealed compressor, air cooled condenser, a capillary tube as expansion device and an evaporator coil. The stainless steel water tank is provided with glass wool insulation on all sides and a door is provided at the top. Cold water can be taken out from a top provided and inlet water supply is controlled by a ball operated top. Various measurements provided enables students to determine the theoretical and actual COP, power consumption, actual cooling capacity refrigerant flow and compressor volumetric efficiency of compressor.

 

SPECIFICATIONS:-

 

A) Cooling Cycle -

 

i) Compressor - Hermetically sealed type, having the capacity of 1/3 ton of refrigeration using R - 12 refrigerants.

 

ii) Finned tube type air cooled condenser with forced air flow.

 

iii) Filter cum drier for refrigerant.


 

 

 

iv) Capillary expansion device.

 

v) Evaporator coil embraced on stainless steel water tank, provided with glass wool insulation.

 

B) Water drain tap & float operated inlet water tap are provided for water tank with insulated lift door at top. C) Measurements

i) Pressure gauges for evaporating and condensing pressure.

 

ii) Thermometers to measure refrigerant temperature at inlet & outlet of condenser and evaporator.

 

iii) Dial type thermometer for water temperature.

 

iv) Rotameter to measure liquid refrigerant flow.

 

v) Energymeter to measure compressor input.

 


 

 

 

 


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Tejpal Engineers
Amish Shah (CEO)
309, Ashwamegh Eligance 2, Near Ambavadi Circle, Beside Central Mall, Near Kalyam Jewellers , Paldi,
Ahmedabad - 380006, Gujarat, India
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