Twisting cupronickel heat transfer tubeInner tube is cupronickel 90/10 ,. Inner tube flow sea water .

Advantages:1) Increases heat transferring rate2) Prohibits solid formation of fluid3) Helpful to evaporator oil collection4) Suitable for various connections5) Specialized for heat pump6) Saves space7) More durable8) Easy installation9) Easy clean

Twisting cupronickel heat transfer tube