Description
NP Drumfilter ? Type L (Frame with Level Tank)
The Type L Drumfilter is the frame version with an integrated stainless steel level tank. It is designed for concrete channel installations where a defined, controlled upstream water level must be maintained ? for example in RAS plants where the differential pressure across the filter needs to remain within tight limits.
Available Sizes
| Size Group | Drum Diameter | Sections | Moving Backwash |
|---|---|---|---|
| F802-L ? F808-L | 800 mm | 2 ? 8 | Fixed spray header |
| F1203-L ? F1209-L | 1200 mm | 3 ? 9 | Fixed spray header |
| F1212-L ? F1224-L | 1200 mm | 12 ? 24 | Moving Backwash (standard) |
| F1616-L ? F1640-L | 1600 mm | 16 ? 40 | Moving Backwash (standard) |
| F2030-L ? F2050-L | 2000 mm | 30 ? 50 | Moving Backwash (standard) |
Configuration ? Choose to Suit Your Needs
- Size: F802-L through F2050-L
- Filter cloth opening: 10 ?m to 100 ?m
- Filter panel type: PG (standard for L-series)
- Material grade: EN 1.4301 (SS304) | EN 1.4404 (SS316) | EN 1.4462 (Duplex)
- Mirror image: Available (+5,000 SEK)
Optional Add-ons
- Grundfos CRN backwash pump package with priming tank
- Control system Type A or Type B (VFD)
- Wing walls and weir extensions (FRP)
- Filtrate level weir
- Flanged pipe connections
- Splash protection rubber skirts
- Sludge trough flushing kit
Key Features
- Integrated level tank provides stable, controlled upstream water level
- Suited to RAS plants with precise hydraulic requirements
- Same drum and filter technology as Type T and Type F
- Moving Backwash standard from F1212-L
- All design and manufacturing in Sweden
Manufacturer: NP Innovation AB, Malm?, Sweden | www.npinnovation.se
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