Products Description
Our stainless steel bag filter housing (SS) is a precision-engineered filtration vessel designed for fast bag changes, low downtime and consistent contaminant removal. Built for OEM and process systems, it supports single- and multi-bag configurations, sanitary connections, and industrial-grade pressure and temperature limits - making it a versatile solution for process water, food & beverage, chemicals, coatings, and general industrial pre-filtration.
Product drawings
Technical parameters
| Feature | Specification |
| Material of Construction | 304 or 316L Stainless Steel (Specify your requirement) |
| Design Pressure Standard | 150 PSI. Higher ratings available. |
| Design Temperature | Up to 200°F (93°C) with standard EPDM gaskets. Other gasket materials available for higher temperatures. |
| Surface Finish | Mechanical polished finish or Electropolished for ultra-smooth, easy-clean surfaces. |
| Connections & closure | NPT, ANSI flanged, or tri-clamp inlet/outlet; band-clamp, swing-bolt, or bolted lid closures depending on rating and sanitary needs. Pressure gauge and vent/drain ports available as standard options. |
| Bag sizes & capacity | Accepts standard bag sizes (#1, #2, #3, #4 and #1/#2 multibag configurations); available as single, dual, and multi-bag housings to match required flow and dirt holding. |
Key benefits
✅ High chemical and corrosion resistance for long service life.
✅ Quick-access lid and ergonomic bag basket for <5-minute bag swaps (no tools required on many models).
✅ Configurable from single-bag to multi-bag vessels to scale dirt-holding capacity and flow.
✅ Wide micron range compatibility (from sub-micron grades to coarse bags) and high viscosity handling.
✅ Clear options for sanitary finishes, electro-polish, 304/316 material, and flange/NPT/tri-clamp connections.
Applications
This bag filter housing ss is engineered to perform in your industry.
- Chemical Processing: Filtering solvents, acids, caustics, and process intermediates. 316L SS is recommended for highly corrosive media.
- Food & Beverage: Ensuring clarity and purity in edible oils, syrups, spirits, dairy products, and process water. Available with sanitary finishes (Electropolished, 3-A compliant connections).
- Pharmaceutical & Bio-Tech: Used in pre-filtration for purified water (PW) and water for injection (WFI) systems, and for clarifying process solutions.
- Plating & Metal Finishing: Removing contaminants from plating baths and rinse water to improve finish quality and extend bath life.
- General Industrial Water: Protecting nozzles, heat exchangers, and membranes in cooling towers and process water loops.
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Operational Guide & Maintenance
✅ Installation & Start-Up:
- Ensure all connections are clean and the gasket is properly seated.
- Insert the filter bag, ensuring the sealing ring is correctly positioned on the basket.
- Close the housing and secure the clamp/bolts evenly.
- Open the air release valve, slowly introduce fluid until it weeps, then close the valve.
✅ Bag Change Procedure:
- Isolate the housing and release internal pressure.
- Open the drain valve to empty the housing.
- Open the housing, remove the spent bag, and clean the basket.
- Insert a new bag and reassemble.
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FAQ
Q: Can I use this housing with viscous fluids?
A: Yes - bag housings can handle higher viscosity fluids with correct bag media and slower design velocities; consult with us for viscosity >1,000 cP.
Q: Do you offer ASME code vessels?
A: Yes - ASME construction and stamping available on larger multi-bag vessels and higher pressure designs.
Q: What is the difference between 304 and 316L stainless steel? Which one should I choose?
A: The key difference lies in their corrosion resistance:
304 SS: An excellent, cost-effective choice for general applications with mild corrosives, such as potable water, certain chemicals, and food products under standard conditions.
316L SS: Contains molybdenum, which significantly enhances its resistance to chlorides, acids, and pitting corrosion. It is the recommended material for harsh environments like coastal areas, chemical processing with halides, and highly acidic or caustic media.
Our advice: When in doubt, or if your process involves aggressive chemicals, opting for 316L is the safer, more durable long-term investment.
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