GAPS Water Treatment Stainless steel multi cartridge housings

4FOS and 5FOS Stainless Steel Housings
These 4 and 5 round housings supersede the ST-BC range. Now available in 316 as well as 304 with 2" male BSP ports, 2 x 1/2" drain ports and 1/4" vent in the cover. Drain ports allow for quick and easy cartridge change-out and can also be used as gauge ports - one upstream and one downstream.

click picture to view our 4 and 5 round housings

7FOS - DOE and 222 Stainless Steel Housings
Unique with its universal cartridge adaptors, capable of accepting both DOE and 222 cartridges with either a
fin or flat end. Moving up from the 4/5 FOS, the 7 round and above housings gain mounting legs to aid installation with other specification remaining the same.

click picture to view our 7FOS-DOE and 222 st/st housings

12FOS 316 Stainless Steel Housings
The big brother to the 4, 5 and 7 FOS housings, here 3" DN80 PN16 flanges are used as standard to accommodate, with minimal pressure loss, flows of up to 1100 lpm. Unlike the 4/5 FOS, the top plate has 4 tie rod threads to evenly spread compression over the 12 spring seals. This arrangement allows up to a 1" cartridge length variation and makes change-out easy. 12 FOS have mounting legs as standard.

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22/36/52FOS Stainless Steel Housings
Taking flow capacities up to 5800 lpm with 6" piping relies on equipment that is not only durable, but designed to aid ease of use. These 3 larger versions come as standard with a swing bolt and davit arm configuration for quick, easy and safe cartridge change-out. PN16 BS4504 flanges are standard. Drains are 1/2" on 22 round and 3/4" on 36 and 52. The 22, 36 and 52 round accept cartridges with an OD of up to 2 5/8".
When using 222, 226 or 2 3/4" OD cartridges with the 22 FOS series housing you must change product code to a 21 FOS (21 round), flow rates are pro rata.
When using 222, 226 or 2 3/4" OD cartridges with the 36 FOS series housing you must change product code to a 32 FOS (32 round), flow rates are pro rata.
When using 222, 226 or 2 3/4" OD cartridges with the 52 FOS series housing you must change product code to a 50 FOS (50 round), flow rates are pro rata.

click picture to view our 22/36/52FOS st/st housings

Gaskets and further options
click picture to view our gaskets and further options

Connection changes
click picture to view our gaskets and further options