HVAC duct take-off configurations connecting branch ducts to supply, return, or exhaust air mains. Connections are assembled using sheet metal screws and sealed with medium pressure duct sealer. Lined duct connections are detailed to prevent exposed lining edges on the inside surface of the duct. Manual volume dampers are provided on fittings typical for branch flex or spiral duct connections.
ATTACH WITH SHEET METAL SCREWS AMD SEAL WITH MEDIUM PRESSURE DUCT SEALER SUPPLY, RETURN OR EXHAUST AIR MAIN 2d 2d d d W ROUND DUCT TAKE-OFF FROM MAIN ROUND TOP TAKE-OFF FROM RECTANGULAR DUCT W/4 OR 4" MIN ATTACH WITH SHEET METAL SCREWS AMD SEAL WITH MEDIUM PRESSURE DUCT SEALER SUPPLY, RETURN OR EXHAUST AIR MAIN RECTANGULAR DUCT TAKE-OFF FROM MAIN DUCT LINER INSIDE SURFACE OF DUCT LINED DUCT CONNECTION (NO EXPOSED LINING EDGES) OPENING CUT ATTACH WITH SHEET METAL SCREWS AMD SEAL WITH MEDIUM PRESSURE DUCT SEALER CONICAL BRANCH DUCT CONNECTION BRANCH FLEX OR SPIRAL DUCT MANUAL VOLUME DAMPERS ON FITTING (TYP.) ROUND MAIN DUCT ROUND BRANCH DUCT CONNECTION 135° 45° 45°
Members view this detail in full resolution, download the CAD files (SVG, PDF), and can adapt it in the built-in CAD editor — export DXF, DWG, or PDF.
Start membership