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ALCO Controls EX4 / EX5 / EX6 / EX7 / EX8 are stepper motor
driven valves for precise control of refrigerant mass flow in air
conditioning, refrigeration, heat pumps, close control, and
industrial process cooling applications.
The Control Valves can be used as thermo-expansion duty,
liquid injection duty, hot gas bypass, evaporator pressure
regulator, crankcase pressure regulator, head pressure
regulator, or liquid level control.
This data sheet describes only the performance of the valves.
Operation of required controllers, driver boards and sensors
are part of other documentations