... to -70 deg.C 5. economic, energy saving Heatless Purge Desiccant Air Dryer Heatless purge desiccant air dryerInlet temperature: 0~45 °CInlet oil ... H) Model,Size&Technical Data:How it works:Heatless Purge Desiccant Air Dryer is using micro holes in the desiccant itself, ... heat of adsorption,stored heat maintains purge air temperature during regeneration,maximizing the purge air’s ability to carry off ...