FBK series (rectangular)
Pocket type air filters are applied for supply air and sometimes for exhaust air purification in rectangular duct ventilating and conditioning systems.
| Series | Flange designation (WxH) [mm] | Filtering class | ||
|---|---|---|---|---|
|
FBK | 400х200; 500х250; 500х300; 600х300; 600х350; 700х400; 800х500; 900х500; 1000х500 |
4 – G4 5 – F5 7 – F7 |
Applications
Bag type air filters are applied for supply air and sometimes for exhaust air purification in rectangular duct ventilating and conditioning systems. They serve to protect air ducts, heat exchangers, control equipment and other ventilating equipment against dusting. The filters minimize wall and ceiling pollution near the air diffuser. Coarse filters can be used as first stage purification filters before more efficient filters.
Design
The casing is made of galvanized steel. The swing-out cover equipped with lever locks provides easy and quick access to the replaceable filtering element. The pocket-type filtering element is made of non-woven synthetic fibrous fabric and is fixed on the steel frame. The filters are available in G4, F5, F7 filtering classes.
Mounting
Mounting is performed by means of flange connection. The air flow direction shall match the pointer direction on the filter. Both horizontal and vertical installation is possible. In case of vertical installation the air shall be streamed downwards in such a way as to avoid pockets crumpling. Access for the fan maintenance shall be provided for the filter cleaning or replacement.
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