TCL series thermostatic expansion valve is a best choice for different refrigerating equipment, it features external adjustable And it suits air conditioner,heat pump and refrigerator well.　

　　 Construct is simple and easy repairing．Afer turn off connecting bolts，it is easy to change orifice and diaphragm unit．
　　 Stable superheat setting With MOP functional Input and output type and size as customer requirement．
　　 Special design in TRF series valve orince，in order to protect system run well under big capacity．
　　 Suitting for R12，R22，R502，R134a If you have special requirement，please contact us．

　 　Input connects with accumulator and output connects with input of evaporator．
　 　Fitting should ensure sensor club can sense output temPerature of evaPorator．
　　 External equalization tube connects top side of suction tube near bulb．
　　 Super-heat adjusting
　　 Turn adjusting stem anticlockwise one round，reduces super－heat 0.3℃．Set super－heat 3.4℃ when exit factory．Static super－heat adjusting range is 2～8℃．