Duplex Bag Housings

Duplex Bag Housings

Duplex Bag Housings are available with or without ASME Code Stamp / CRN, with flanged inlet/outlet connections and can handle flow rates up to 360 USGPM. These housings are fabricated in carbon steel, 304 and 316 stainless steel. Exotic alloys, such as Titanium, Alloy 20 and Hastelloy can be fabricated for specific applications. These assemblies can be with manual or air-actuated valve for easy changeover or isolation. They can be operated in parallel or duplex mode.

Configurations include over-the-top flow “gooseneck” and side entry designs.

Many accessories are available for application specific needs including magnetic particle separators, back flush retainers, and displacement balloons.


  • Side entry and over-the-top flow (gooseneck) designs
  • Swing bolt cover closure
  • Standard design pressure: 150 psi @ -20/225°F
  • Available in sizes 1, 2, 3, and 4
  • Flow rates up to 360 USGPM
  • Can be operated in parallel or duplex mode

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