FRBX-451
Curve
FEG 71
AMCA Licensed for Air Performance and FEG without Appurtenances and Accessories
Universal Fan & Blower Ltd, certifies that the FRBX series of fans shown herein are licensed to bear the AMCA Seal.
The ratings are based upon tests and procedures performed in accordance with AMCA publications 211 and comply with the requirements of the AMCA Certified Ratings Program.
Performance ratings do not include the effects of appurtenances (accessories).
Power rating (KW BHP) does not include transmission losses.
Performance certified is for Installation Type D, Ducted Inlet, Ducted Outlet.
Selection at peak efficiency (FEG 71)
Fan Part Number
Sound Performance
| Octave Bands (Hz) |
63 |
125 |
250 |
500 |
1k |
2k |
4k |
8k |
| Level at Inlet (dB) |
128 |
131 |
112 |
104 |
97 |
92 |
86 |
76 |
| Overall Sound Power (LwA) |
116 dBA |
| Estimated Overall Sound Pressure (LpA) |
105 dBA @ 1 m |
Estimated sound pressure based on free field hemispherical radiation (Q = 2), at the stated distance. Sound Pressure levels of a fan are affected by the acoustic properties of the surrounding's in which it is installed and consequently dBA levels cannot be guaranteed.
Refer to AMCA Publication 303 for furthur information. dBA levels are not licensed by AMCA International.
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