Shelco 4FOS and 5FOS Series

Multi-Cartridge Filter Housings




• Designed for general purpose industrial and commercial filtration needs• Heavy-duty 304L or 316L stainless steel construction for maximum durability and corrosion resistance• V-band clamp or swing bolt closures for quick and easycartridge change outs and secure sealing• Holds four or five cartridges from 10” to 40” lengths for optimal choice of flow rates• Accepts double open-ended (DOE) style cartridges (222 and 226 style adapters are optional)

• Knife edge seals eliminate bypass on DOE cartridge

• Adjustable top plate accepts variable length cartridges

• Wide range of options to meet specific filtration and installation requirements



Food & Beverage
Oil / Gas
Inks / Paints / Coatings
Pulp & Paper

Specifications and Operating Parameters


Maximum Operating Pressure150 psig (10.3 bar) @ 300°F (149°C)Inlet and Outlet ConnectionsInlet /Outlet: 2″ MNPT
Drain Ports: 1/2″ FNPT
Vent Ports: 1/4″ FNPT
Optional: MNPT, FNPT and BSP fittings,
RF flanges, Sanitary ferrules and Grooved fittingsMaterials of Construction

Head and Shell: 304L or 316L Stainless Steel
Connections: 304L or 316L Stainless Steel
Closure: Clamp: 304L Stainless steel
Swing Bolts: Zinc Plated Steel
Vent and Drain Plugs: 304L or 316L Stainless Steel

GasketsBuna N (FDA Grade)
Optional: EPR, Silicone, Viton or Teflon
Encapsulated SiliconeFinishPoly-coat on exterior surfaces
Optional: Electro-polish, Glass bead or PassivateCartridge Type

DOE style cartridges (maximum 2 3/4″ OD)
Optional: 222 and 226 adapters

Custom Options

– Gauge Ports or Gauge Ports with Pressure Gauges
– Mounting Tabs, Mounting Legs or Heavy Duty Mounting Legs
See Ordering Guide for complete selection of options