Flanged joints are made by bending the tip on the raw duct or fitting to create a ¼” flange. Beneath will be the code part for your International Mechanical Code for your permitted welded duct connections styles. Regardless of whether you are upgrading current ventilation hoods for commercial kitchens or https://andreshypft.csublogs.com/44151392/commercial-kitchen-extract-systems-fundamentals-explained