Flexible seals between the silencer and fan can be eliminated by mounting the silencer on support legs and vibration isolation pads so that the.
Exhaust fan silencer installation.
Discharge silencers for industrial fans are often required to accommodate very high volumetric flow rates cfm at high temperatures and velocities.
Replace windband of fan with silencer.
When attached to an inline or remote fan the ld silencer dramatically reduces the sound traveling through the duct.
An excellent way to reduce the amount of noise is to use a fan speed controller.
Two silencers can be used together in installations where noise reduction is critical.
The available types of axial fan silencers include media filled with film liner dissipative media filled and no media designs.
Fantech ld silencers are typically used for kitchen exhaust systems.
Blade passing frequency is often the defining noise characteristic when designing an exhaust silencer.
Installation dos and donts 3 dr ref qxd 6 11 2015 3 58 pm page 18.
Noise levels can be high and contain low frequency content.
Exhaust silencers have mounting flanges to suit standard fan bolt patterns for easy installation.
Duct clampsthe joint between the inline fan and the adjacent filter or duct silencer.
The vibration of the fan amplifies even more at this kind of joints to overcome the issue use a clamp as a joint media in between the fan and filter silencers.
Change to an inline fan running parallel to the roof and place a rectangular silencer on the outdoor side.