Fantech LD Silencers
Fantech LD Silencers are typically used for kitchen exhaust systems. When attached to an inline or remote fan, the LD silencer dramatically reduces the sound traveling through the duct.
Two silencers can be used together in installations where noise reduction is critical. For the most effective noise reduction, the silencer should be fitted immediately behind a fan or bend. The internal insulation thickness is 2 inches.
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|#1||Q: What is the pressure drop on the silencer for 6 duct?
A: The inside diameter of the silencer is same as the duct (virtually not size reduction) so the pressure drop should be the same as a similarly long piece of duct - very small.
Asked on 2016-11-03 by DS
|#2||Q: What are the outer diameters and lengths of your LD 4 and LD 5 models?
A: LD 4/5s are 23-5/8 inch long. LD4 outside diameter is 8 inches and the LD5 9 inches.
Asked on 2016-04-04 by Steve
|#3||Q: Does the silencer get mounted before or after the fan unit?
A: The silencer gets mounted between the kitchen and the fan --- between the space where you are trying to reduce sound and the fan which makes the sound.
Asked on 2015-05-07 by David
|#4||Q: What are the weights of these silencers? Im specifically interested in the LD-8 unit.
A: Ships at 18 pounds, but my guess is closer to 12-15.
Asked on 2014-01-28 by Mike
|#5||Q: Ok to use for kitchen exhaust?
A: Yes, for residential use. Commercial kitchens have special requirements. In residential use since you are using rigid duct these silencers make a tremendous difference to the noise transmitted from the fan.
Asked on 2013-03-28 by Nick
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