Bag filtration is the workhorse pre-filtration stage upstream of cartridge filters, membranes, and ion exchange. WFS supplies single-bag and multi-bag stainless steel housings with swing-bolt or eyebolt closure, mounted as a skid with isolation valves, vent/drain, and differential pressure instrumentation.
Filter bags are offered in five materials — polypropylene (PP), polyester (PE), nylon, Nomex (high-temperature), and PTFE (chemical resistant) — and in four standard sizes (#1, #2, #3, #4) with micron ratings from 1 µm to 200 µm. Felt construction provides depth filtration with high solids holding capacity; mesh bags are used where solids must be recovered.
Skid-mounted multi-bag arrays are sized to 100 m³/hr in a single skid (6–12 vessels in parallel), with bag-change isolation so the system stays online during media changeouts.
Process Schematic
WFS-BAG-410
Full Specifications
- Flow Rate
- 1–100 m³/hr per skid
- Micron Range
- 1–200 µm
- Bag Sizes
- #1, #2, #3, #4
- MOC Options
- PP / PE / Nylon / Nomex / PTFE
- Housing
- SS304 / SS316L, swing-bolt closure
- Design Pressure
- 150 psig standard
- Design Temperature
- Up to 250°F (Nomex 400°F)
- Bag Construction
- Felt or mesh, sewn or welded seam
- Differential Pressure
- Δp gauge on each vessel
- Solids Holding
- Up to 6 kg per #2 bag
- Connections
- ANSI flange or tri-clamp
- Skid Frame
- Painted CS, with walkway/handrails
Configure your Bag Filtration Skid
Submit your water chemistry, flow rate, and site conditions — our engineers will return a sized configuration and process datasheet.