Listing ID #758720
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Contact SupplierWe are offering External heat reactivated air dryers are bulky in size and power consumption is all most is double as compare to internal heat re-activated type air dryer in capacity Less than 500 Nm3hr these are un- commercial and not recommended  also since regeneration of desiccant is by atmospheric air. These dryers give the dew point only up to (-) 40°C
Capacity
Air Capacity: 500 to 5000 Nm3Hr.
Dew Point  :  Up to (-) 40°C
Operating Pressure:Â 5 to 35 Kgcm2g
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Operating Principle:
In this design there is no loss of compressed air time cycle is 6+6 Hrs with (-) drying towers filled with silica gel desiccant for regeneration , a centrifugal air blower and an electrical heater is provided desiccant is heated up to 200°C by hot air of completely   re –generation
Compression with internal heat re-activated type air dryer:
Investment cost of these Air dryer is all most double as compared to internal heat re-activated air dryers.
It is recommended to go for this type of dryer only when loss compressed air during regeneration is not acceptable and dew point required is not critical also these are recommended for capacities above 500Nm3hr only. Operating pressure can be from 1 to 50 kgcm2g.