... and heatless purge,externally heating the purge type air, reduce it’s consumption.It efficiently avoids the disadvantages of short ... content: ≤0.01ppmWorking pressure: 0.6-1.0MPaDesigned dew point: -40~-70°CPurge air: ≤4%~6%Desiccant: activated alumina+molecular ... manufactured HOLYSUN brand HSD series Refrigerated Air Dryer,Absorbing Air Dryer,After Cooler,Air chiller Set,Industry using Water Cooler,HF ...