DUPLEX FILTERS |
The Compressed air at the outlet of its receiver contains oil, Dust and some Moisture. To deal with this menace, Pneum Systems Inc, have developed the duplex filter, to take care of wide range of these impurities. These filters are the combination of carbon filter and micro filter. The first part consists of an activated carbon bed. This bed is capable of removing oil vapours by absorption principle, during upward flow of the gas/air. The air leaving this unit will contain oil vapours to the tune of 8 ppm. min. depending on the inlet oil content and status of charge. The micro filter unit has micro porous filter elements of polyethylene / ceramic. These elements have filtration efficiency of 99% upto 5-10 microns of solids or liquid particles. |
These filters have following characteristics : |
1. Wide range covering from 10 CFM to CFM-FAD. 2. Low pressure loss across the unit. 3. Filteration efficiency upto 8 ppm for oil content and 99% upto 5-10 microm for dust. 4. The unit can be designed for any working pressure upto 50 bar. However standard units are designed for 7-10 bar pressure. 5. The units are designed and constructed in accordance with pressure vessel codes i.e. IS-2825 or ASME VIII DIV. I. |
The activated carbon charge provided in the filter is non regenerative type and should be replaced after about 2500 hrs. of operation, depending upon the oil content in the compressed air. The porous filer elements can be cleaned by reverse flow of clean air under pressure. |
| Air Reciver | Compressed Air / Gas dryers | Heatless Air Dryer | After Cooler | Duplex Filters |
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