Terex
Expansion valve for Terex PT70
This expansion valve regulates the flow of refrigerant into the evaporator for the air conditioning system on the Terex PT70 machine.
Parts diagram
Compatible models
Specifications
- Part number
- 2045-888
- Brand
- Terex
The expansion valve is a component within the air conditioning system of the Terex PT70. It operates as a thermostatic device that manages the flow of high-pressure liquid refrigerant as it enters the evaporator. By reducing the pressure of the refrigerant, the valve facilitates its expansion and phase change into a cold gas, which allows the system to absorb heat from the cabin air.
This component is designed specifically for the Terex PT70 model. It ensures the correct metering of refrigerant to maintain the cooling cycle required for cabin climate control. The valve is engineered to respond to temperature changes at the evaporator outlet, adjusting the flow to match the cooling demand of the machine environment.
In any mobile air conditioning system, the expansion valve acts as the boundary between the high-pressure and low-pressure sides of the refrigeration circuit. Its primary function is to maintain the pressure differential necessary for the refrigerant to evaporate effectively, thereby enabling the heat exchange process that cools the operator station.

