Refrigeration components for basic experiments ET 910.10

Refrigeration components for basic experiments

Type: ET 910.10
Name: Refrigeration components for basic experiments


ET 910.10 enables in conjunction with ET 910, ET 910.05 and the accessory set ET 910.12 the design and performance of various basic experiments related to refrigeration.

Commercial components are used in practical experiments. These components are mounted on plates ready to be connected and are arranged clearly in the frame of ET 910.05.

The set includes simple refrigeration components, such as expansion elements and filters, as well as electrical components, e.g. switches and thermostat. The superheater included in the set is a heat exchanger ensuring the complete evaporation of the refrigerant before entering the compressor whilst the liquid refrigerant is supercooled upstream of the expansion element. The control behaviour of the expansion element is monitored at the flow meter. Manometers provide an insight to the pressure ratios in the refrigeration circuit. Via pressure and temperature measurements the change of state of the refrigerant can be tracked and entered into the log p-h diagram. The temperature is measured by interlaboratory thermometers.

Technical details

  • components for the setup of simple refrigeration circuits in conjunction with ET 910
  • heat exchanger as superheater
  • 3-pin circuit breaker
  • assembly aid: 4-port directional valve with sight glass
  • sight glass with humidity indicator
  • pressure-controlled expansion valve
  • thermostatic expansion valve
  • 2 thermostats with different temperature ranges
  • components mounted on plates ready to connect
  • abrasion-proof symbols and labels on plates
  • Technical data

    Pressure-controlled expansion valve

    • pressure range: 1…7bar

    Thermostatic expansion valve

    • evaporation temperature: -45°…20°C
    • valve insert rated capacity: 0,3kW

    Circuit breaker, 3-pin: 3kW
    2 electric thermostats

    • -5…25°C
    • -25…5°C

    Heat exchanger

    • capacity: approx. 2.5kW at -10°C evaporation temperature

    Suction line receiver: 0,3L, max. 28bar

    Measuring ranges
    • pressure: 1x -1…9bar, 1x -1…24bar
    • flow rate: 3…41kg/h
    Dimensions and weight

    Plate height: 297mm
    Weight: approx. 20kg