Teaching equipment : Expansion valves study unit

 

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Expansion valves study unit

DESCRIPTION

 

The unit is delivered complete with instrumentation as well as with technical and instruction manuals.

The components are of industrial quality.

The operation of the valves is similar to those found in a commercial installation.

A variety of parameters may be measured.

 

Teaching equipment : Expansion valves study unit - CRD 600

TECHNICAL SPECIFICATIONS
 

1. Sealed motocompressor
- Commercial type
- Electric power - 1/8 CV
- Refrigeration power - 445 W
- condensing temperature : + 50°C
- evaporating temperature : + 7.2°C
2. HP manometer and pressostat
3. Air condenser – forced convection
4. A 0.9 L- stainless steel vertical liquid tank
5. Dehydrator
- solid body - Ø 14"
6. Rotameter
- magnetic transmission
- needle display
- stainless steel construction
7. Automatic expansion valve
8. Internal equalisation expansion valve of pressure
9. Internal equalisation expansion valve of pressure
10. Capillary expansion valve d1, L1
11. Capillary expansion valve d1, L2

12. Capillary expansion valve d2, L1
13. Capillary expansion valve d2, L2
14. Electronic expansion valve
15. Evaporator
- glass calander
- stainless steel coil
- water inlet and outlet
- measurement of the water flowrate
- measurement of the temperature at inlet/outlet points
16. Shock proof liquid bottle
17. Low pressure manometer and pressostat

Multipoints temperature display
T1 : Refrigerating fluid temperature before expansion valves
T2 : Refrigerating fluid temperature after expansion valves
T3 : Refrigerating fluid temperature at the evaporator outlet
T4 : Refrigerating fluid temperature at the water inlet in the exchanger
T5 : Refrigerating fluid temperature at the water outlet in the exchanger

PEDAGOGIC APPLICATIONS

 

Testing of the most common expansion valves.

- Internal equalisation thermostatic
- External equalisation thermostatic
- Electronic
- Capillary :
  2 different lengths
  2 different diameters
- Automatic

Teaching equipment : Expansion valves study unit - CRD 600 schema

UTILITIES
Electricity : 220 single phased - 50/60 Hz
Water : 1.5 l/min of the network

DIMENSIONS
Length : 970 mm
Width : 720 mm
Height : 1520 mm
Weight : 75 kg.


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Expansion valves study unit


Didatec Technologie - ZA du Parc 42490 Fraisses -  France -   Tel : 33 (0)4 77 10 10 10 -  Fax : 33 (0)4 77 61 56 49   
E-Mail : didatec.technologie@wanadoo.fr