This drawing is for a library of HVAC components such as SCD and RCD diffusers, exhaust and supply ducting markers, and ceiling unit blocks. Includes air flow data in L/s for various CCD units and duct sizes from 150 to 1000. This could be useful in mechanical engineering and ventilation system design.
AutoCAD HVAC Symbols Library For Diffusers Supply And Exhaust Ducts
