Spiral & Round · Size, Pressure & Special Routing
Large 16–30 inch spiral main
Spiral round — Main distribution
ConnectionCoupling/gasket/flange
SupportEngineered saddles/trapezes
How to install it
- 1
Use lift/soft slings
- 2
install saddles/trapezes
- 3
support fittings separately
- 4
use couplings/draw bands
- 5
verify out-of-round condition
- 6
add seismic restraint.
Quality check
- No ovalizing
- support load confirmed
- fitting weight carried
Stop and verify
Stop if lifting or support plan is inadequate