Thermal expansion value(TXVs) are essential components in refrigeration and air conditioning systems, regulating the flow of refrigerant into the evaporator coil. These valves respond to changes in temperature and pressure, ensuring optimal performance in various operating conditions. As the refrigerant passes through the TXV, it undergoes controlled expansion, converting from a high-pressure, high-temperature liquid to a low-pressure, low-temperature mixture. This controlled expansion is crucial for maintaining the desired temperature and pressure levels within the evaporator coil, allowing for efficient heat absorption and cooling. Thermal Expansion Valves play a key role in the precise control of refrigerant flow, contributing to the overall effectiveness and energy efficiency of HVAC and refrigeration systems.

The EX4-EX8 are stepper motor driven valves that are optimized for the control of liquid or gaseous mass flow in refrigeration systems.. Multifunction capability as expansion valve, hot gas bypass, suction gas throttling, head pressure, liquid line actuator and other applications systems.

Features:

•   Fully hermetic design

•   Fast full stroke time

•   Applicable to all common refrigerants (HCFC, HFC), for subcritical CO2 applications

•   High resolution and excellent repeatability

•   Bi-flow versions for heat pump applications

•   EX4 – 8 Expansion Valves

•   EXD – U00 Controller

•   EC3 – X33 Controller

•   PT4 – 6 Controller