... Shell and tube heat exchanger for heat pump 1tube in tube heat exchangercoaxial heat exchanger is used in huge manchines as evaporator and ... for heat pumpWork Condition:1)Refrigerant side (Between the tube and shell):R22,R134a,R404a,R407c,R410a,R600a,etc. Max ... DEVELOPMENT ZONE 253022,SHANDONG, P.R.CHIN********************************************************************** Sell and tube heat exchanger