coaxial heat exchanger double wound helix shape Specifications:1) Water side pressure: 400PSI 2) Refrigerant ... 7) Specialized for heat pump8) Applications: condenser, evaporator, water-source heat pump, geothermal heat pump, water heater, air chiller ... water chiller; when the material is corrosion resistant, such as stainless steel, nickel alloy, titanium or titanium alloy, the coaxial heat exchanger ...