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LOOKING FOR DESIGN CRITERIA FOR AIR VELOCITIES IN DUCTS

LOOKING FOR DESIGN CRITERIA FOR AIR VELOCITIES IN DUCTS

LOOKING FOR DESIGN CRITERIA FOR AIR VELOCITIES IN DUCTS

(OP)
I'm currently working on the design of odor control facilities for a wastewater treatment plant.  We plan to use FRP pipe for convey foul air to odor control scrubbers.

I've seen guidelines that limit the air velocities in pipes/duct to less than 2500 fpm or 3000 fpm to reduce the problem of noise.

Does anyone know where these criteria orginate and how they were established??  I'd like to find the background.

Thanks,
ppalencia@lacsd.org

RE: LOOKING FOR DESIGN CRITERIA FOR AIR VELOCITIES IN DUCTS

12.5 m/sec is considered a high velocity in HVAC.
Low velocity is about 6 or 7 m/sec and under.
Only low velocity air circulation should be considered to be quiet enough.
In any case it depends on what mandatory standard you have to meet, and if none, if there's going to be human presence there.

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