Corrosion-Resistant Systems · Stainless Rectangular Duct

Install straight stainless rectangular duct

Stainless rectangular duct — Corrosive supply or exhaust

Hardware guidanceUse approved stainless bolts, nuts, washers, and isolated supports.
Anti-seize / gallingApply approved anti-seize to clean threaded fasteners when specified; keep it off gasket faces.

How to install it

  1. 1

    Lay out elevation

  2. 2

    install compatible supports

  3. 3

    stage sections

  4. 4

    align faces and flanges

  5. 5

    install gasket

  6. 6

    insert bolts loosely

  7. 7

    square duct

  8. 8

    tighten progressively

  9. 9

    seal specified seams.

Quality check

  • Duct remains square, flange compression is even, and no dissimilar-metal contact remains.

Stop and verify

Stop if flange distortion or wrong hardware prevents even seating.