ASTV,BWTV,ETV series thermostatic expansion valves can be used for refrigeration and air conditioning requirements. ... ASTV,BWTV,ETV series thermostatic expansion valves can be used for refirgeration cabinet, ice machine, dehumidify ... superheat adjusting performance.2. Wide range of evaporating temperature: -40~+10 .3. Can be supplied with MOP (Max. Operating Pressure ...