Dual Vessel Bag Filter Unit


The Dual Vessel Bag Filter Unit is based on more than 25 years of experience in manufacturing oilfield equipment. All new features are based on customer feedback and combined in our unique dual pod filter unit. HSE, efficiency and reliability are the key drivers for our product improvement and design. For the vessel closure you can choose the Rudi Quick Opening Closure. This allows the operator to open and close the filter vessel quickly and safely for changing filter bags. Or you can choose the standard swing bolt closure.

Our unit is designed and built in accordance with DNV2.7-1/ISO 10855/EN 12079 and also certified by DNV. Our standard DFB24 has two vessels with each 4 bags and 6 valves for parallel, in series and by-pass operation

The Dual Vessel Filter Unit is also available in Dual Vessel Cartridge Filter Unit and Dual Vessel Combi Filter Unit.

Rudi Quick Opening Closure 2.0

Rudi Quick opening closure

Swing bolt closure

Swing bolt closure


Dual vessel cartridge unit onshore

Duplex cartridge filter unit for land operations SS316 housing and heavy duty frame

Dual cartridge filter for land operations, SS316 housing and heavy duty frame

Dual vessel cartridge unit with offshore DNV swing bolts

Dual vessel cartridge unit DNV with swing bolts

Dual Vessel Bag Unit High Flow

Dual vessel bag unit with 6″ connection, drip pan and drain manifold line

high flow dual vessel with magnetic bag

Large dual bag filter unit with 12 bags per housing, carbon steel


  • Compact footprint
  • Quick opening closure lid
  • Simple Davit
  • Frame designed and certified according DNV 2.7-1/ISO 10855/EN12079
  • All wetted parts SS316
  • Connections unions fig. 206, 100% leakproof
  • Standard 10 bar design to PED2014/68
  • PED module A for hazardous fluids


    • Completion fluids
    • Produced water
    • Work over fluids
    • Gravel pack fluids
    • Wellbore clean up fluids
    • (Bio) diesel
    • Surface water intake
    • Process water
    • Pre filtration RO
    • Frac fluids
    • Pipeline flushing
    • Wastewater


      • Swing bolt closure / rudi quick opening closure
      • Pneumatic or hydraulic closure
      • Stainless steel drip pan
      • Drain manifold line
      • Construction materials: carbon steel coated, (super) duplex
      • Bag configuration such as high capacity
      • Single or triple vessel
      • Manifold sizes and connection type
      • Design pressure up to 6000 psi (400 bar)
      • Vessel linings: rubber, epoxy, glass flake, PU
      • ISO Corner Blocks

      Unique design features


      Inlet/outlet union fig. 206


      SS316 basket with optional pleated bag


      Safety protection at top DNV 2.7-1 offshore lift frame. Heavy duty netting for easy and safe access to skid. Big improvement compare to old fashioned steel grid gates

      document holder DFC24

      Document box, 100% waterproof, easy to open and close

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      Do you have questions or do you want more information?