FOC – Single Filter cartridge Housing

Single Cartridge Housing for Liquids

The single shell design has been a standard in the industry for over 30 years. The FOC range is available in a cast iron head with a carbon steel body. The Maximum operating pressure on the units is 250psig (17 bar) @ 275°F

The FOC 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.


  • 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

Standard Design Specifications

Model Material Cartridge Length Pipe Size FNPT Options Gasket
FO   C
Cast iron Head with
Carbon Steel sump  
78= 9 ¾
80 20”  
NPT   Blank = Buna
S = Silicone
V = Viton  


Flowrite FOC Housing is compatible with a wide range of applications including | Chemical | Ink & Paint | Food & Beverage | Petrochemical | Photographic | Plating | Electronics | Oil & Gas | Pharmaceutical |Pulp & Paper | Coolants | Desalination