Dual Vessel Single Bag Filter Unit
This Dual Vessel Single Bag Filter Unit is based on 20 years of experience manufacturing equipment. This filter unit is ideal for projects that require removal of coarse or fine pollution from liquids at low or moderate flows. Our standard DFB9 has two vessels of 1 bag each. This unit is suitable for parallel and by-pass operation.
Small footprint Dual Bag filter installation
Features
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Design code vessels: PED category I module A
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Full operation possible without stepping over hoses
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Anti-slip grating and railing to ensure safety for operator
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Robust skid to avoid potential damage to vessel
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Safe pressure relief through vent outlet at the bottom
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Ergonomic pressure read out and bag exchange
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Scheduled QMS inspections
Applications
- Straining of larger pollution to protect equipment like pumps
- Polishing of raw materials or end products prior or after temporary storage
- Removal of contamination from cooling water circuits
- Removal of suspended pollutants during ground water extraction
- Polishing prior or after other filtration equipment (FOA or Activated carbon)
- Removal of (small) oil particles from water (using oil adsorption bags)
Options
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Stainless steel drip pan
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Common drain line
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Construction materials: carbon steel coated, (super) duplex
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Manifold sizes and connection types
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Vessel linings: rubber, epoxy, glass flake, PU
Unique design features
Stainless steel drip pan
Easy access
Moveable with forklift or pallet truck
FAQ
What is a dual vessel single bag filter unit?
A compact filtration system with two housings in parallel, each containing one length #2 filter bag.
Why use dual vessels for single bags?
It allows continuous operation during bag change-out and doubles filtration uptime.
What flow rates can it handle?
Typically up to 25–40 m³/h, depending on bag size and solids loading.
What industries use it?
Process water, cooling water, waste water, flushing water and pre-filtration in industrial plants.
What bag sizes are supported?
Length #2 filter bags, with various micron ratings with steel ring and plastic.
What materials are available?
Standard stainless steel 316 other materials like Polypropylene, duplex or superduplex is possible.
Is it offshore certified?
The standard unit is not offshore certified.
Is it available for rent?
Yes, it is part of Dutch Filtration’s rental portfolio.
What spare parts are needed?
Replacement bags and lid gaskets.
What are the benefits compared to larger bag filters?
Compact design, cost-efficient, and suitable for small-scale operations.
Related products
BagFlow – Filter bags
BagFlow – High capacity
Dual vessel cartridge filter
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Dual vessel bag filter
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