Thermostatic expansion valves regulate the injection of refrigerant liquid into evaporators.Injection is controlled by the evaporators superheat.CTV,Website:://.fs-controls.com, DTV series thermostatic expansion valves can be used for refrigeration cabinet, ice machine, dehumidify unit, and refrigeration and air conditioning requirements in a wide range of temperature.Download:CTV、DTV series Thermostatic expansion valves