PUMP GP-GEAR 4962254 - Caterpillar

Illustration 1 g00358258
Refrigerant Flow Through Air Conditioning System (1) Compressor (2) Condenser Coil (3) Receiver-Dryer (4) Expansion Valve (5) External Equalizer Line (6) Evaporator Coil (A) Air conditioner refrigerant as a high pressure, high temperature vapor (B) Air conditioner refrigerant as a high pressure, high temperature liquid (C) Air conditioner refrigerant as a low pressure and low temperature liquid (D) Air conditioner refrigerant as a low pressure and low temperature vapor
Illustration 2 g00645819
Expansion Valve in the open position (typical example) (4) Expansion valve (5) External equalizer line (7) Capillary tube (8) Diaphragm (9) Ball and rod (10) Metered restriction (11) Spring (12) Inlet (13) OutletThe expansion valve (4) converts the liquid refrigerant from a high temperature and a high pressure liquid to a low pressure and a low temperature liquid. The expansion valve (4) provides a metered restriction (10). The expansion valve (4) allows the high pressure liquid to be reduced to a low pressure liquid. When the pressure of the refrigerant is reduced, the boiling temperature of the refrigerant will also be reduced. The refrigerant will enter