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inexpensive
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robust
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simple handling
Delivery time: 1-2 working days
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WINKLER F-BAG Classic – Sludge Dewatering Filter Bag, Pack of 25
Efficient Solids Separation for Trades and Industry
The WINKLER F-BAG Classic is the proven all-round sludge dewatering solution for trades and industry. Businesses looking for a reliable, flexible and cost-effective method of solid-liquid separation rely on this robust model. Small and medium-sized operations in particular benefit from its high tear resistance and outstanding residual dewatering.
You'll find further products in our filter bags for sludge dewatering & dewatering boxes (industrial) category.
Versatile Applications and High Resistance
Whether in concrete cutting, recycling operations, construction site dewatering or industrial processes, the F-BAG Classic reliably separates solids from liquids. The thermally bonded polypropylene nonwoven (PP) is resistant to acids and alkalis, making it ideal for demanding wastewater treatment.
The filter bag is also successfully used in Chemicals & Raw Materials, Metal & Electronics and Energy & the Environment.
Cost-Efficiency First
With the pack of 25, you secure attractive value for money. Simple handling enables a fast filter change, minimising downtime and boosting the efficiency of your plant.
Your Benefits at a Glance
- Outstanding dewatering: Optimised for maximum residual dewatering of sludge.
- Extremely robust: Thermally bonded polypropylene nonwoven for maximum tear resistance.
- Chemical resistance: Resistant to acids and alkalis.
- Universal use: Suited to pond cleaning, wastewater treatment plants and industrial applications.
- 100 µm micron rating: Effective retention of fine particles with high permeability.
- Bulk savings: Supplied as a compact pack of 25.
WINKLER F-BAG Classic Filter Bag: Technical Details
| Material | Polypropylene nonwoven, thermally bonded |
| Length | 1.19 m |
| Width | 0.55 m (0.53 m open) |
| Weight | 0.17 kg |
| Micron rating | 100 µm (nominal), resistant to acids and alkalis |
| Air permeability | 500 l dm-2 min-1 at 200 Pa negative pressure |
| Pack size | 25 pieces |
| Delivery time | 1–2 working days |
Personal Advice for Your Wastewater Treatment
Every dewatering process is unique. Use our filtration product advice service to find the optimal solution for your sludge dewatering – personal, competent and practical.
FAQ – Classic Filter Bag for Sludge Dewatering
Common Questions About Sludge Dewatering With F-BAG Classic Filter Bags
The F-BAG Classic filter bag is a versatile solution for separating solids and water in commercial and industrial applications. With a 100 µm micron rating and robust polypropylene nonwoven, the filter bag suits many types of sludge and process water. Here you'll find answers to common questions about use and selection.
What applications suit the F-BAG Classic filter bag?
Typical applications include:
- Construction site dewatering
- Concrete and drilling sludge
- Pond sludge
- Workshop wastewater
- Industrial process water
- Wastewater treatment plant side streams
Thanks to its 100 µm micron rating, sludge particles are reliably retained.
How does sludge dewatering with the filter bag work?
Once dewatered, a significantly reduced sludge volume remains, which is easier to transport and dispose of.
The process requires no technical equipment and can be carried out flexibly on site.
How does the F-BAG Classic differ from large sludge dewatering filter bags?
This makes it particularly well suited to:
- Smaller sludge volumes
- Short-term use
- Mobile applications
- Limited space
Large filter bags, by contrast, are built for continuous or very large volume flows.
What micron rating does the filter bag have, and what is it suited to?
It's particularly well suited to:
- Mineral sludges
- Concrete water
- Sediment
- Organic sludges
Water can drain quickly without the filter bag clogging too fast.
Can the filter bag be reused multiple times?
The pack of 25 means enough replacements are always on hand, so filter changes can happen without interruption.
