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SS304/316L Multi Cartridge Filter Housing For RO Pretreatment in Desalination Systems
- SS304 / SS316L stainless steel construction
- Multi-cartridge design (up to 156 cartridges)
- Compatible with DOE / 222 / 226 filter cartridges
- ASME standard design
- Pressure rating up to 150 PSI
- Optional electropolished & mirror-polished finish
- Quick-opening swing bolt or davit arm closure
- Customizable inlet/outlet connections and pressure ratings
SS304/316L Multi Cartridge Filter Housing for RO Pretreatment in Desalination Systems
Product Overview
AALFilter’s SS304/316L Multi Cartridge Filter Housing is engineered for high-capacity, high-efficiency liquid filtration—making it the ideal solution for reverse osmosis (RO) pretreatment in desalination systems. Built with corrosion-resistant stainless steel 304 or 316L, this filter housing is capable of handling aggressive seawater and brine environments while maintaining consistent performance and reliability.
Available in configurations from 3 to 156 cartridges, the housing supports various cartridge lengths and end cap types, including DOE, 222/Flat, and 222/Fin. Designed in accordance with ASME standards and offering optional electropolishing, this filter housing is perfectly suited for municipal and industrial desalination plants where pre-filtration is critical to protect downstream RO membranes and ensure water quality.
Key Features
✅ High-Capacity Design: Supports up to 156 filter cartridges for large-scale filtration needs
✅ Premium Stainless Steel Construction: SS304 and SS316L options for superior corrosion resistance
✅ ASME-Compliant: Built to meet stringent pressure vessel standards
✅ Flexible Cartridge Compatibility: Accepts DOE, 222/Flat, and 222/Fin configurations in 10", 20", 30", and 40" lengths
✅ Pressure Ratings: Up to 10.3 bar (150 PSI) for demanding RO pretreatment applications
✅ Sanitary Finish Options: Mirror polishing (Ra ≤ 0.3 µm inner, ≤ 0.4 µm outer) or bead-blasted exterior
✅ Tool-Free Maintenance: Swing bolt cap or davit arm-assisted closure for easy cartridge replacement
✅ Multiple Connection Types: Flange, threaded, or quick valve inlet/outlet options
✅ Customizable Solutions: Optional U-stamp certification, 316Ti material, and high-pressure variants available
Specifications
Parameter | Details |
Material | Housing: SS304 / SS316L / SS316Ti (optional); Vent/Drain Valve: SS304 |
Seal Materials | EPDM, Silicone, Viton (customizable) |
Cartridge Sizes | 10", 20", 30", 40" lengths; Outer Diameter: 2.5" (pleated or depth) |
Flow Rate (Per Cartridge) | 10": 0.5 m³/h; 20": 1 m³/h; 30": 1.5 m³/h; 40": 2 m³/h |
Cartridge Capacity | 3 to 156 cartridges per housing |
Cartridge End Types | DOE, 222 / Flat, 222 / Fin, 226 O-ring (optional) |
Design Pressure | Up to 1.0 MPa (10 bar) |
Operating Pressure | Max. 0.8 MPa (8 bar) |
Temperature Resistance | Up to 130°C; Sterilization Temp.: 121°C ± 2°C |
Surface Finish | Mirror polished / Electro-polished / Bead blasted |
Connection Types | Flanged / Threaded / Clamp / Quick valve |
Mounting Style | Adjustable top plates, swing bolt or davit arm-assisted cap (12-round+) |
Applications
The SS304/316L Multi Cartridge Filter Housing is widely used in RO pretreatment and water purification processes across multiple sectors:
✅ Desalination & Water Treatment
Seawater desalination plant pretreatment
Reverse osmosis membrane protection
Brackish and high-salinity water filtration
Surface water and GUDI (Groundwater Under the Direct Influence) filtration
LT2 compliance filtration systems
✅ Industrial & Municipal
Municipal drinking water systems
Industrial process water pre-filtration
Cooling tower side-stream filtration
Groundwater remediation
✅ Additional Industries
Petrochemical & energy sectors: prefiltration before RO or membrane systems
Food & beverage: bulk water filtration before RO units
Pharmaceutical: pre-sterile filtration water supply
Electronics & chemical manufacturing: high-purity water pretreatment
Why Choose AALFilter?
As a trusted manufacturer and supplier of industrial liquid filter housings, AALFilter is committed to delivering tailor-made solutions backed by technical expertise and responsive support. Our Multi Cartridge Filter Housings are designed for long service life, easy maintenance, and adaptability to changing filtration needs in desalination and beyond.
Contact us today to speak with our technical experts or request a custom quote.
