Corrosion-Resistant Systems · Stainless Rectangular Duct
Install bolted stainless companion-angle joint
Stainless angle-flanged duct — High-pressure or industrial duct
Hardware guidanceTypically stainless bolts/nuts/flat washers sized by design; verify 3/8-inch hardware where specified.
Anti-seize / gallingUse a thin even anti-seize film; do not guess dry torque after lubrication.
How to install it
- 1
Support both sections
- 2
clean flange faces
- 3
install compatible gasket
- 4
align bolt holes without forcing
- 5
insert bolts with washers
- 6
snug in cross pattern
- 7
final-tighten per approved procedure.
Quality check
- Flanges remain parallel, gasket is evenly compressed, and bolts are complete.
Stop and verify
Stop if the project has no approved lubricated-fastener tightening procedure.