Rectangular & TDC · Taps, Branches & Fittings
Plenum branch collar
Round or rectangular — Branch from equipment/plenum
ConnectionFlanged/screwed/welded collar
SupportBranch support
How to install it
- 1
Verify plenum reinforcement and airflow area
- 2
lay out opening
- 3
cut/deburr
- 4
install collar/tap
- 5
reinforce if detailed
- 6
seal
- 7
support branch separately.
Quality check
- Plenum not weakened
- collar square
- no leaks
- service access preserved
Stop and verify
Stop if cut crosses reinforcement or manufacturer panel