SRF series

Flexible galvanized steel silencers are specially designed for noise reduction in ventilation systems, kitchen hood ventilation and other application were noise is a concern.

Traditionally SRF silencers are joined to round ducts and mounted behind or in front of the fan.

Flexibility allows bending silencer when necessary (corners, bends, etc).

Vents silencers considerably reduce sound level of the ventilation system without interrupting airflow.On both inlet and outlet silencer is compacted with rubber gasket.

Model Duct Dia. D D1 L b SRF 150/600 6” 9 13/16” 5 7/8” 23 5/8” 1 15/16” SRF 200/600 8” 11 13/16” 7 7/8” 23 5/8” 1 15/16” SRF 250/900 10” 13 3/4” 9 13/16” 35 7/16” 1 15/16”

Sound reduction

Model		63 Hz		125 Hz		250 Hz		500 Hz		1000 Hz		2000 Hz		4000 Hz		8000 Hz
SRF 150/600		3		7		12		32		40		40		19		20
SRF 200/600		2		5		12		20		26		21		10		10
SRF 250/900		2		4		9		18		25		16		11		12