Corrosion-Resistant Systems · Stainless Rectangular Duct
Repair leaking stainless rectangular flange
Bolted stainless flange — Any stainless system
Hardware guidanceReplace galled or corroded bolts, nuts, and washers with approved matching hardware.
Anti-seize / gallingClean old compound and apply fresh approved anti-seize sparingly.
How to install it
- 1
Locate leak
- 2
unload joint
- 3
inspect gasket, flange flatness, bolts, and sealant
- 4
replace damaged gasket
- 5
realign
- 6
reinstall hardware
- 7
tighten evenly
- 8
retest.
Quality check
- Mechanical joint is corrected before external sealant is applied.
Stop and verify
Stop if flange is warped or cracking.