|Ducts Type||Maximum Spacing|
Note! Support systems for ductwork may provide restraint in three directions against displacement and rotation. Consideration must be given with restraining ducts to avoid development of excessive internal duct stresses caused by expansion or contraction due to temperature variations.
Systems for ventilation and air handling - air change rates, ducts and pressure drops, charts and diagrams and more.
Thickness of sheet metal used in ductwork.
The velocity reduction method can be used when sizing air ducts.
Ductwork air leakage classes.
Recommended maximum support span between hangers - and rod sizes for straight horizontal pipes.
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