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

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 housings 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 “U” Stamp.
  • 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