18(45)
2) The filter size is usually selected according to the refrigerant pipe diameter.
3) It is mounted in front of the thermal expansion valve to protect the valve’s
tightness
Picture 2-4：Drying Filter
2.2.4 Thermal Expansion Valve
1) The thermostatic expansion valve can throttle and depressurize the
refrigerant and regulate the refrigerant flow into the evaporator.
2) The heat expansion valve is installed in front of the evaporator.
Picture 2-5：Thermal Expansion Valve
2.2.5 Evaporator
1) The evaporator is a device that outputs the refrigerant, which absorbs the
heat of the cooled object in the evaporator, so as to achieve the
refrigerating purpose.
2) Our company uses the horizontal shell and tube evaporator.
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