1. tube and shell type condenser and evaporator 2.refrigerant can be Freon R22, R134a, R404a, R507a 3. Customized Standard equipment Compressor, crankcase heater, shell and tube type evaporator, shell and tube type condenser,drier-filter, reciprocating low temperature type with cooling fans. Nonstandard equipmentCustomized water chiller is available and the condenser could be air-cooled type ...