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Duplex Basket Strainers

Duplex Basket Strainers Series Duplex Basket Strainers Series Inline Duplex Basket Strainers Download Brochure Adobe's Acrobat Reader is required to view files with the PDF extension. Acrobat Reader is a free program available here.
    Salient Features
  • No shutdown time necessary for cleaning
  • Online change over to either of the strainer vessels
  • Dimensional flexibility due to fabricated construction
  • Both inline and offline construction available
    Design Features
  • Standard sizes from 1” to 20”
  • All welders are qualified to ASME Section IX. Welders qualified for PED 97/23 certified pressure vessels also available.
  • Custom modifications available to suit customer requirements
  • Strainers designed to meet requirements of ASME Section VIII Div 1 and/or ASME B31.1 and/or ASME B31.3
  • Ball, gate, butterfly or other isolation valve types may be used for diversion and isolation of flow
  • AISI 304 perforated screens/mesh are standard
  • Drains, vents, and differential connections are standard and are furnished with plugs
    Special covers available upon request
    Available Materials of Construction
  • Carbon steel
  • Low temperature carbon steel
  • Stainless steel
  • Alloy steel
    • Consult factory for other materials of construction
    End Connection
  • Flat faced
  • Raised face
  • RTJ Flanged
  • Butt Weld
    Size Range*
  • 1” to 20”
  • #150 and #300
    Applications
  • Process Industry
  • Power Industry
  • Chemical Industry
  • Oil and Gas Industry
  • Pulp and Paper Industry
  • Pharmaceutical Industry
  • Metals and Mining Industry
  • Water and Waste Management
  • Fire Fighting Industry
Standard Parts List
Part List DBXA1 DBXA2 DBXB1 DBXB2
Strainer Shell & Nozzle ASTM A106 Gr. B AISI 304 ASTM A106 Gr. B AISI 304
End & Top Flanges ASTM A105 #150 WNRF ASTM A182 Gr. F304 #150 WNRF ASTM A105 #300 WNRF ASTM A182 Gr. F304 #300 WNRF
Cover Flange ASTM A105 #150 BLRF ASTM A182 Gr. F304 #150 BLRF ASTM A105 #300 BLRF ASTM A182 Gr. F304 #300 BLRF
Screen & Mesh^ AISI 304 AISI 304 AISI 304 AISI 304
Gasket Asbestos Free Teflon Spiral Wound AISI304/Asbestos Free Spiral Wound AISI304/Teflon
Fasteners ASTM A193 Gr. B7M ASTM A194 Gr. 2HM ASTM A193 Gr. B8MA ASTM A194 Gr. 8MA ASTM A193 Gr. B7M ASTM A194 Gr. 2HM ASTM A193 Gr. B8MA ASTM A194 Gr. 8MA
Valves Carbon Steel Ball Valve or Butterfly Valve Stainless Steel Ball Valve or Butterfly Valve Carbon Steel Ball Valve or Butterfly Valve Stainless Steel Ball Valve or Butterfly Valve
Drain & Vent Plugs ASTM A105 AISI 304 ASTM A105 AISI 304
    Notes
  1. The list is indicative of our standard offerings. It is subject to change.
  2. DBXA2 and DBXB2 can be offered in AISI 316 construction too. Consult factory.
  3. Consult factory for other combinations.

    Optional Accessories and Spares:
    To derive maximum value for your investment, consider the following accessories:

  1. 1. Inlet and outlet pressure gauges
    1. Check inlet and outlet pressure
    2. The difference gives you the pressure drop across the strainer
  2. 2. Differential pressure indicator
    1. The reading on the gauge directly gives the pressure drop across the strainer
  3. 3. Special cover arrangements
    1. Davit Assembly arrangement
    2. Spring-assisted Quick Open arrangement
    3. Swing Bolted Quick Open arrangement
  4. 4. Spare filter elements, gaskets, and fasteners 

^ Mesh Size is based on customer’s requirement