Code: Ballast Water Filter BOLLFILTER Automatic Self-Clean Type 6.18.3, online backwashing
Marque: Bollfilter
| Flange Connection | DN 200 - DN 900 / 20" - 36" |
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| Note | Automatic self-cleaning pre-filtration of sea-water, for the protection of ballast water treatment systems |
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| Filter element | Cylindrical candles open at both ends; mesh made of super duplex (1.4410) |
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| Grade of filtration | optional 30 µm, 40 µm or 50 µm |
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| Backflushing medium | internal medium |
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| Pressure stage | up to DN 600: PN 10 ; from DN 700: PN 6 |
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| Filter housing | - up to DN 400: nodular cast iron
- from DN 500: carbon steel |
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| Features | Filter candle: cylindrical elements open at both ends with hydrodynamic element
alternately backflushing with two flushing arms
Fine sieve cylinder: slotted backwash device |
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