Norgren Mufflers Quietaire Series Compressed Air - Manual (Page 2)

FIT-8-2 Littleton, CO USA Phone 303-794-2611 www.norgren.com
Norgren Quietaire Mufflers
● Mufflers prevent metal chips, abrasive grits,
dust and other contaminants from entering
open exhaust ports and causing premature
valve failure.
● Coalescing Mufflers help prevent oil mist and
solid particles from contaminating factory air.
● Speed Control Mufflers allow the adjustment of
exhaust flow to accurately control cylinder
speed.
● Parts Ejectors use less air than open lines with
only minor reduction of thrust.
● Breather vents prevent damage caused when
dirt, chips and other foreign particles enter
vacuum relief ports or breather tubes.
OSHA Permissible Noise Exposures*
Compressed air exhausts generate high intensity sound energy, much of
it in the same frequency range as normal conversation. Prolonged
exposure to noise causes hearing impairment without noticeable pain or
discomfort. See Table below for permissible noise exposures and graphs
on the following pages for the sound suppression characteristics of
Quietaire products.
Daily Sound
Duration Level
(Hours) (dBa)
8 90
6 92
4 95
3 97
2 100
1-1/2 102
1 105
1/2 110
1/4 115
*OSHA Safety and Health Standards (29 CFR 1910.95)
Increase Productivity
Continual noise causes worker fatigue, resulting in
reduced productivity and a reduction in profits.
Noise abatement helps prevent noise fatigue, one of
the main causes of industrial inefficiency and
accidents.
Cleaner Work Environment
Open exhaust ports on compressed air devices can
release oil vapors, oil aerosols, and particulates into
the atmosphere. Quietaire coalescing mufflers
remove these contaminants from the exhaust air
and also reduce noise to permissible levels.
Prolong Service Life
Open exhaust ports invite the entry of contaminants
- metal chips, abrasive grits, sweepings (floor
mounted units) and other debris. Quietaire mufflers
prevent the entry of such contaminants, prolonging
the service life of your air valves, air motors and
similar equipment.