Single Cartridge Filter Housings (DOE / 222) – Compact Filtration Solutions

Single Cartridge Housings (DOE / 222)

Single cartridge housings are compact filter housings designed to hold a single filter cartridge (DOE – Double Open End or 222 O-ring type). They provide economical, small-scale filtration for low flow rates and critical point-of-use applications. Available in stainless steel, polypropylene, or PVC, these housings are versatile and suitable for pilot plants, labs, and small production batches.

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Operation

Liquid enters the housing, flows through the cartridge (DOE or 222 O-ring sealed), and exits as filtered liquid. The housing ensures proper cartridge sealing, preventing bypass. Typically operated in batch or continuous low-flow setups.

Features & Benefits

Accepts DOE or 222 style filter cartridges
Compact design for small flow applications
Available in SS 304, SS 316L, PP, and PVC
Easy cartridge replacement and maintenance
Suitable for point-of-use filtration

Special Options

Cartridge lengths: 5”, 10”, 20”, 30”, 40”
Material options: SS 304/316L, PP, PVC
Seal types: EPDM, Nitrile, Viton, Silicone
Mounting: In-line or wall-mountable

Technical Specifications

Design Pressure: Up to 6 bar
Design Temperature: -10°C to 90°C (PVC/PP), up to 150°C (SS)
Connections: BSP/NPT threaded, Tri-clamp, Flanged
Surface Finish (SS): Polished ≤ 0.4 µm Ra (sanitary models)
Cartridge Compatibility: DOE, 222 O-ring

Applications

Laboratory scale filtration
Pharma & biotech batch processing
Food & beverage polishing
Water purification systems
Point-of-use critical filtration