... refrigeration and air conditioning requirements. ASTV,BWTV,ETV series thermostatic expansion valves can be used for refirgeration cabinet, ice machine, dehumidify ... in a wide range of temperature.ETV series thermostatic expansion valve uses solder ODF connections.The nominal capacities of ... , Model, Refrigerant, Norminal capacity, connection, Equalization) by email. Thermostatic expansion valves