... machines,compressors(circulation oil),air conditioners,refrigerators,air dryer,water cooler,drinking thoughts,constant temperture refrigerator,heat recollection and circulation,floor ... weight: only equivalent to the shell and tube heat exchanger of 20-30%, greatly reducing the design of the ... 30BAR, can be enhanced 45BAR).4.Low-cost: heat exchanger than the average cost-saving materials, and to save ...