Mechanical · S-XCCBV

Duct Converging and Diverging Detail

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HVAC duct converging and diverging layouts feature two options for branch duct transitions. Option 1 features curved radius transitions with a radius equal to width W3 at a ninety degree angle, while Option 2 includes internal turning vanes. Both options maintain proportional branch widths W2 and W3 relative to main duct width W1. A minimum of two branch duct widths are required between the end of the fitting and the manual volume damper. S-slips or U-clips are optional for connections, and all such connections must be sealed.

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