Typical Air Duct Velocities

Typical air duct velocities in applications like ventilation systems or compressed air systems

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Air velocities in ducts and pipes should not exceed certain limits to avoid high pressure loss and unacceptable noise generation. The values below can be used as guidelines for some typical applications.

Air Ducts	Air Velocity
Air Ducts	(m/s)	(ft/min)
Combustion air duct	12 - 20	2400 - 4000
Air inlet to boiler room	1 - 3	200 - 600
Warm air for house heating	0.8 - 1.0	150 - 200
Vacuum cleaning pipe	8 - 15	1500 - 3000
Compressed air pipe	20 - 30	4000 - 6000
Ventilation ducts in hospitals	5 - 8	1000 - 1500
Ventilation ducts in office buildings	7 - 11	1200 - 2000

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en: air velocity ducts
es: conductos de velocidad del aire
de: Luftgeschwindigkeitskanäle

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Typical Air Duct Velocities