Duplex Strainer

Duplex Strainer

Standard Features

  • The Bossmanfilter B3000 Series Duplex Basket Strainer / Filter is available in sizes 1" through 24" for system pressures up to 600 PSIG. The basket covers are quickopening or ANSI flanged.
  • Strainer is manufactured in accordance with ASME Code, Section VIII,Division I for Unfired PressureVessels.
  • Materials available: carbon steel, 304, SS, 316 SS, and Interior coatings are available.
  • Different nozzle positions available to meet customer requirements.
  • Different nozzle connections available: raised face, ring joint flanges,flat-face, weld neck


  • 1/8" perforated type 304 stainless steel on sizes 2" to 24". Other perforations, meshes and materials are available upon request


  • Standard units are fabricated with slip-on flanges in standard pressure classes up to 2500 lb.
  • Other flange styles and welded connections are available per customer specifications


  • Fabricated to ASME B31.1, ASME B31.3 and/or ASME Section VIII , Div. 1. Latest Revision

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Series-3000 Duplex Strainer with butterfly valve

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Duplex Strainer with changeover valve - Carbon steel


  • Available in sizes 4" through 48". Larger sizes available. Consult factory
  • Dimensions can be modified to suit customer requirements
  • End connections available in RF flanges, RTJ flanges or buttweld.
  • Various body and screen materials and coatings are available.
  • Special screen open area ratios
  • Quick-opening cover
  • Cover lifting davits
  • Special nozzle positions
  • Reduced inlets and outlets
  • Self-Flushing assembly
  • Vent and pressure differential connections
  • Special floor stands and mounting hardware

Image description

Duplex Strainer with changeover valve - Stainless steel