Our twelve and twenty-two round models are designed for flow rates up to 600 GPM. Housings accept double-open-end style cartridges. Options include 304L or 316L stainless steel; band clamp or swing bolt closure. Design pressure 150 psi (10 bar) @ 300º F (149º C). Standard inlet and outlet connections for the 12FOS series is 3” flanged and the 22FOS series is 4” flanged, with many other options available by special order. Standard finish is Poly-coat over stainless. All twelve and twenty-two round models are standard with heavy duty mounting legs. Standard gasket is FDA grade Buna-N. 12FOS and 22FOS Multi Cartridge Housings Features • Designed for industrial and commercial filtration needs • Heavy duty stainless steel construction for durability • 304L standard and 316L stainless steel available • Band clamp and swing-bolt closures for quick cartridge change outs • Heavy duty mounting legs standard • Pipe fittings readily accessible for easy installation • Knife edge seal at both cartridge ends to eliminate by-pass • Adjustable top plate for more cartridge options • Adapters for 222 or 226 style cartridges available by special order. • Complete selection of pipe fittings, flanged, sanitary, BSP, Grooved and others • See ordering guide for a complete section of options to fit your application Standard Design Specifications No. & (length) Flow Rate Flange Max Ctg Shipping Weight Shipping Model Of Cartridges† GPM* Size Drains Vent Diameter° Clamp Weight SB 12FOS2 12 (20”) 168 3F 1/2” NPT 1/4“ NPT 2 3/4” OD 86 lbs 131 lbs 12FOS3 12 (30”) 252 3F 1/2” NPT 1/4“ NPT 2 3/4” OD 92 lbs 142 lbs 12FOS4 12 (40”) 336 3F 1/2” NPT 1/4“ NPT 2 3/4” OD 100 lbs 150 lbs 22FOS3 22 (30”) 462 4F 1/2” NPT 1/2“ NPT 2 5/8” OD 140 lbs 205 lbs 22FOS4 22 (40”) 616 4F 1/2” NPT 1/2“ NPT 2 5/8” OD 165 lbs 225 lbs † Housings will accept: 20” = (19 1/2” or 20”) 30” = (29 1/4” or 30”) 40” = (39” or 40”) Lengths *Based on 7 gpm per 10” length with a 25 mocron wound cartridge at 2 psid clean and a viscosity of 1 cps. Flow rates are for guide lines only. Actual flow rates are based on fluid, viscosity, cartridge type, micron ratings and other factors. ° When using 222 or 226 adapters with the 22 FOS series housing you must change it to a 21 FOS (21 Round) max catridge OD 2 3/4” Adjustable top plate accepts variable length cartriges

MicroVantage™, MicroSentry™, ShelcoFilters®, and the Shelco Filters logo are registered trademarks of the Tinny Corporation Shelco Filters is a division of the Tinny Corporation. Dimensions ORDERING GUIDE Bulletin: 12-22FOS-500-4 © 2005 Shelco Filters 12 FOS 3 - SB - 316 - 222 - 3F - EP - GP - E (OPTIONAL) LEGS (3) 1/2" DRAINS CENTER ROD 222 STYLE CARTRIDGE CARTRIDGE SPRING SEAL HOLD DOWN PLATE KNOB D ± 1/4" 135°" DRAINS MOUNTING LEGS WITH 9/16" DIA. HOLES ON 16 15/16" B.C 90°" EYE NUT WASHER PIN RF FLANGE CLAMP GASKET C B A A E VENT HEAD VENT HEAD DAVIT HANDLE DAVIT B C No. of Product No. of...