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Sludge Dewatering Bag 0.8 m³ – F-BAG XL (Gravity Filter Bag)
Flexible Sludge Dewatering for Larger Batches
The WINKLER sludge dewatering bag F-BAG XL (0.8 m³) is a cost-effective solution for reliably separating solids and liquids in industrial wastewater. As a gravity filter bag, it enables mobile sludge dewatering with no technical plant required and can be deployed straight on site.
The F-BAG XL is particularly well suited to applications with regularly occurring sludge volumes, where smaller filter bags would need changing too often. Its larger 0.8 m³ volume creates a generous filter area that supports even dewatering and stable process flow.
The robust polypropylene needle-felt filter material is resistant to acids and alkalis, making it suitable for a wide range of industrial process waters.
Typical Applications
The filter bag is particularly well suited to applications where sludge is dewatered right where it's generated:
- Vehicle and machinery wash bays
- Concrete processing and concrete plants
- Recycling operations and construction sites
- Industrial process wastewater
The filter bag ensures solids are reliably separated, protecting downstream plant and separators.
Designed for larger sludge volumes, this filter bag serves specialised application areas. It's frequently used in agriculture, but is equally at home on heavy-duty construction sites and in large-scale plant within energy & the environment. Businesses in chemicals & raw materials, transport & logistics and civil engineering & landscaping also rely on this capacity.
How Gravity Filtration Works
The dewatering principle stays refreshingly simple: contaminated water flows into the filter bag, gravity pulls the water through the fabric, and solids are left behind in the filter material. The clean water that drains out is then discharged or reused in a controlled way.
The large filter area keeps water flow stable, so the filter bag can be used over a longer period before it needs emptying.
The F-BAG XL is particularly well suited to applications where medium-to-large sludge volumes occur regularly and a reliable mobile solution is needed.
Your Benefits in Practical Use
The F-BAG XL combines high capacity with good handling and suits many typical applications in industry and trades. Its sturdy build means the filter bag can be used safely even with heavy sludge.
- Large usable volume: 0.8 m³ for larger batches.
- Robust build: Suited to industrial applications.
- Chemically resistant: Resistant to acids and alkalis.
- Efficient dewatering: The open fabric structure keeps water flowing freely.
- Safe handling: Reinforced lifting loops make transport easier.
Which Filter Bag Is Right for You? F-BAG Series Size Comparison
The right size depends mainly on your sludge volume, batch size and site conditions. This comparison helps you quickly identify the right filter bag variant:
| Variant | Usable volume | Application range | Typical use |
| F-BAG M | 0.125 m³ | Small batches | Short-term use or smaller sludge volumes in limited space. |
| F-BAG L | 0.5 m³ | Medium volume flows | Regular dewatering with a good balance of size and handling. |
| F-BAG XL | 0.8 m³ | Larger batches | For higher sludge volumes and longer dewatering intervals. |
| F-BAG XXL | 1.25 m³ | Industrial use | Maximum capacity for large volume flows and heavy industrial sludge. |
| F-BAG Custom Size (GE Vernova) | Custom size | Special installation situations | Precision-fit filter bags for shaft systems or special containers with limited height. |
Alongside standard sizes, custom-made filter bags are also available. Bespoke sizes are especially well suited to existing plant or special installation situations where standard dimensions don't fit.
WINKLER F-BAG XL Filter Bag: Technical Details
| Material | Polypropylene needle felt |
| Usable volume | 0.8 m³ |
| Dimensions | Height 0.80 m |
| Base area | 1.00 × 1.00 m |
| Straps | 280 mm overhang |
| Load ratings | 400 kg / 600 kg / 900 kg |
| Micron rating | nominal 100 µm, resistant to acids and alkalis |
| Water permeability | 135 l s-1 m-2 at 100 mm water column |
| Delivery time | 1–2 working days |
Advice From Our Filtration Specialists
Is the F-BAG XL the right choice for your regular dewatering cycles? We'll support you with tailored advice to help you scale your sludge dewatering efficiently, optimise service intervals and reduce operating costs.
FAQ – Sludge Dewatering Bag 0.8 m³ for Larger Sludge Volumes
Common Questions About Sludge Dewatering With Large-Volume Filter Bags The 0.8 m³ filter bag is particularly well suited to applications with larger sludge volumes, where smaller filter bags would need changing too often. Its larger usable volume and generous filter area enable stable dewatering processes. Here you'll find answers to common questions about using filter bags for larger batches.
