Our proven single shell design has been a standard in the industry for over 30 years. Available in 304L or 316L Stainless Steel, Brass Nickel Plated Head with a 304L Body or Cast Iron Head with a Steel Body, the FO series is perfect for almost any application. The maximum design working pressure is 250psi @ 275ºF. The FO series is available in a wide range of connection sizes to fit your application as well as a wide variety of gasket options that make this housing compatible with almost any fluid. The standard gasket material is Buna-N. Please refer to our ordering guide for a complete list of options or contact one of our technical specialists for help. FOS, FOSBN, FOC Series Single Cartridge Housings for Liquids • • • • • • • • Features Designed for industrial and commercial filtration needs Heavy duty construction for durability Offered in a wide variety of materials Simple bolt-n-nut design for quick cartridge change outs In line fittings for easy installation Knife edge seal at both cartridge ends to eliminate by-pass Housings accept double-open-end cartridges Complete selection of pipe fittings: flanged, sanitary and BSP available Standard Design Specifications FO-38 FO-39 FO-78 FO-80 FO-90 Model 1 (3 3/4”) 1 (4 7/8”) 1 (9 3/4”) 1 (20”) 1 (30”) Qty. (Length) of Cartridges 1/4” NPT 1/8” NPT 1/8” NPT 1/8” NPT 1/8” NPT Drain 2 3/4” OD 2 3/4” OD 2 3/4” OD 2 3/4” OD 2 3/4” OD Max Ctg Diameter 4 lbs 5 lbs 7 lbs 10 lbs 12 lbs Approx. Ship Weight 4x5x16 4x5x16 4x5x16 4x5x25 4x5x34 Box Size 1.75 3.5 7 14 21 Flow Rate GPM* *Based on 7gpm per 10” length with a 25 micron wound cartridge at 2PSID clean and a viscosity of 1 cps. Flow rates are guide lines only. Actual flow rates are based on fluid, viscosity, cartridge type, micron ratings and other factors. Housing Pressure Drop vs. Flow Rate Differential Pressure (PSID) FLOW RATE-gpm Water 0 5 3 6 9 12 18 10 15 20 25 30 1/2” 3/4” 1“

SHELCO FILTERS tel: 860.854.6121 800.543.5843 fax: 860.854.6120 e-mail: [email protected] www.shelco.com 100 Bradley Street . Middletown, CT 06457 . USA MODEL Standard Spring Loaded DIM A DIM B DIM A DIM B FO-38 7 11/16” 5 3/4“ N/A N/A FO-39 8 7/8” 6 15/16“ 9 1/2” 7 9/16” FO-78 13 3/4” 11 13/16“ 14 3/8” 12 7/16” FO-80 23 7/8” 21 15/16“ 24 1/2” 22 9/16” FO-90 33 7/8” 31 15/16“ 34 1/2” 32 9/16” Dimensions ORDERING GUIDE FO S - 78 6 - 316 - TH - E Material S 304L Stainless Steel with stainless steel drain plug Model FO Cartridge Length 38 = 3 3/4” 39 = 4 7/8” 78 = 9 3/4” 80 = 20” 90 = 30” Bulletin:...