Duplex Bag Filter Housings utilize either single or multi-bag filter housings to ensure that filters are always online, even during bag changes.

Almost all these bag filter housings, vessels and pods available ASME Certified and “U” stamped.

Product Information

  • Quickest Turnaround – Unique to duplex bag filter housings, you can turn the isolation valves to put the second filter online and eliminate downtime due to bag changes.
  • No Bypass – bag sealing is guaranteed with our compression style bag clamps
  • Different Capacities for Different Applications – Duplex housings can be designed with either single or multi-bag filter housings.
  • Flexibility – accepts both #2 bags or pleated cartridges, alternate inlet & outlet sizes and orientation can be specified
  • Inventory Available or Made-to-Order
  • ASME certified and “U” stamped housings options available


  • Duplex units are constructed using FSSB or FSCT series filter vessels.
  • These duplex filter vessels are rated for 150 psig working pressure and are available with ASME certified and “U” Stamped.
  • Material of construction is 304 SS, 316L SS, or carbon steel.  [All carbon steel vessels are painted with epoxy primer.]
  • Vessel o-ring selection is Viton or nitrile.
  • Duplex filter vessels include perforated SS bag support basket available with round bottom that fits standard or pleated bags.

Order Information

For your fast free no-obligation duplex bag filter quote call 248-919-6119 now.