Filter bag for sludge dewatering 0.5 m³ | WINKLER
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fast draining
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robust
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simple handling
Delivery time: 1-2 working days
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Filter bag for sludge dewatering 0.5 m³ – F-BAG L (gravity filter bag)
Reliable sludge dewatering for medium flow rates
The WINKLER F-BAG L (0.5 m³) filter bag for sludge dewatering is a proven solution for the reliable separation of solids and liquids in industrial wastewater. As a gravity-fed filter bag , it enables simple and economical sludge dewatering without the need for technical equipment and can be used flexibly at various locations.
With a usable volume of 0.5 m³, the filter bag is particularly suitable for applications with regularly occurring sludge quantities, where smaller filter bags would fill up too quickly, but larger versions are not required. The F-BAG L thus offers an excellent balance between capacity and ease of handling.
The filter material made of polypropylene needle felt is mechanically durable as well as acid and alkali resistant and therefore suitable for many industrial process waters.
Typical areas of application
The filter bag is particularly suitable for applications where sludge needs to be dewatered directly on site:
- Washing facilities for vehicles and machinery
- Concrete processing and concrete plants
- Recycling plants and construction sites
- Industrial process wastewater
Reliable solids separation protects downstream equipment and stabilizes operational processes.
As a versatile standard size, the F-BAG L covers a wide range of industrial sectors . It is the first choice for sludge separation in civil engineering , in chemical industry processes, and for water treatment in the energy and environmental sector. It also performs reliably in the construction industry , in agricultural operations , and for dewatering tasks in transportation and logistics .
How gravity filtration works
Dewatering is carried out according to the simple principle of gravity filtration. The contaminated water is introduced into the filter bag, while the solids are retained in the filter material. The purified water can then be discharged in a controlled manner or reused.
Thanks to the sufficiently large filter surface, the water flow remains stable, so the filter bag can be used for a longer period of time before emptying becomes necessary.
The F-BAG L is particularly well suited for companies that need a reliable mobile dewatering solution for medium sludge volumes.
Their advantages in practical use
The F-BAG L is designed for daily use in industry and trade. Its robust construction ensures safe handling even with higher solids content.
- Balanced capacity: 0.5 m³ usable volume for medium batches.
- Robust design: Suitable for industrial applications.
- Chemically resistant: Acid and alkali resistant.
- Efficient drainage: High water permeability.
- Safe handling: Reinforced lifting loops facilitate transport and removal.
Which filter bag is the right one? Size comparison of the F-BAG series
The appropriate size depends primarily on your sludge volume, batch size, and the structural conditions. A comparison will help you quickly classify the different filter bag options:
| variant | Usable volume | Area of application | Typical application |
| F-BAG M | 0.125 m³ | Small batches | Short-term deployments or smaller amounts of mud in limited space. |
| F-BAG L | 0.5 m³ | Medium-sized volume flows | Regular drainage with a good balance between size and handling. |
| F-BAG XL | 0.8 m³ | Larger batches | For applications with 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 Special Size (GE Vernova) | Custom size | Special installation situations | Custom-fit filter bags for shaft systems or special containers with limited height. |
In addition to standard sizes , custom-made filter bags are also available. Special sizes are particularly suitable for existing systems or special installation situations where standard dimensions do not fit.
WINKLER F-BAG L Filter Bag: Technical Details
| material | Polypropylene needle felt |
| Usable volume | 0.5 m³ |
| dimension | Height 0.70 m |
| Base area | 0.90 × 0.80 m |
| straps | protruding 280 mm |
| Load classes | 400 kg / 600 kg / 900 kg |
| Filter fineness | nominal 100 µm, acid and alkali resistant |
| Water permeability | 135 l s-1 m-2 at 100 mm water column |
| Delivery time | 1–2 working days |
Consultation from a filter technology specialist
Do you want to know if the F-BAG L is the right size for your application? We offer expert advice on filter technology and support you in selecting the appropriate filter bag size. This way, we help you design your sludge dewatering system reliably and economically.
FAQ – Filter bag 0.5 m³ for medium sludge quantities
Frequently asked questions about sludge dewatering with medium-sized filter bags
The 0.5 m³ filter bag is one of the most commonly used sizes for mobile sludge dewatering. It offers a good balance between capacity, handling, and footprint, and is particularly suitable for regular dewatering tasks in industry and trade. Here you will find answers to typical questions about the use of medium-sized gravity filter bags.
For which applications is a 0.5 m³ filter bag particularly suitable?
This size is often chosen when smaller filter bags fill up too quickly, but larger versions are not needed.
Why is the 0.5 m³ filter bag often the standard size?
This makes it particularly suitable for businesses that regularly dewater sludge and are looking for an economical standard solution.
How does sludge dewatering work with a gravity filter bag?
After dewatering, the remaining sludge can be disposed of or dried further.
How long can the filter bag remain in use?
For regular use, a scheduled change according to the amount of sludge is recommended.
When should I choose a different size instead of 0.5 m³?
For large quantities of sludge or continuous operation, a larger filter bag such as 0.8 m³ or 1.25 m³ is recommended.
