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| Flat cells (pre-filters) |
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numerous measures to fit the specific housing |
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efficiency classes from G2 to G4 (EN 779) |
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frames in galvanized metal, plastic or reinforced carton |
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filter media: progressive density glass fibres, synthetic fibres, foamed PUR, mesh of multilayer-alluminium, metal or stainless steel |
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protective grids on both sides |
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Pleated cells (pre-filters) |
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numerous measures to fit the specific housing |
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efficiency classes from G3 to F5 (EN 779) |
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frames in galvanized metal |
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filter media synthetic fibres |
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protective grids (galvanized electrically welded steel wire) on both sides, variable square measures as to air flow velocity |
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Smooth pocket filters
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numerous measures to fit the specific housing |
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efficiency classes from G3 to F9 (EN 779) |
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frames in galvanized metal |
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filter media: |
-
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fire resistant synthetic fibres (class F1 - DIN 53438) |
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glass microfibre mat |
Technical caracteristics: |
|
dP variable (as to efficiency class and measures) |
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dP max. 800 Pa (synthetic fibres) - 600 Pa (glass mircofibre mat) |
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temperature 90°C |
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humidity 100% |
Upon request: |
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plastic frame |
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Rigid pocket filters
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measures 288-402-491-593 X 593 X 292 mm |
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efficiency classes from F5 to F9 (EN 779 |
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filter media: microfibre glass |
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pleat separation by thermowelded threads |
Technical caracteristics: |
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initial dP 75-230 Pa (as to efficiency class) |
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final dP 600 Pa |
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dP max. 1000 Pa |
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temperature 80°C |
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humidity 100% |
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Upon request: |
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protective grids on the air exit side |
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high temperature resistance 100°C with peaks at 120°C |
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