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SR series (round)

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

Description

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

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

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

Model	Duct Dia.	D	D1	L	b
SR 100/600	4”	7 7/8”	3 15/16”	23 5/8”	1 15/16”
SR 100/900	4”	7 7/8”	3 15/16”	35 7/16”	1 15/16”
SR 150/600	6”	9 13/16”	5 7/8”	23 5/8”	1 15/16”
SR 150/900	6”	9 13/16”	5 7/8”	35 7/16”	1 15/16”
SR 200/600	8”	11 13/16”	7 7/8”	23 5/8”	1 15/16”
SR 200/900	8”	11 13/16”	7 7/8”	35 7/16”	1 15/16”
SR 250/600	10”	13 3/4”	9 13/16”	23 5/8”	1 15/16”
SR 250/900	10”	13 3/4”	9 13/16”	35 7/16”	1 15/16”
SR 315/600	12 3/8”	16 5/16”	12 3/8”	23 5/8”	1 15/16”
SR 315/900	12 3/8”	16 5/16”	12 3/8”	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
SR 100/600	4	8	10	20	34	30	13	14
SR 100/900	5	10	15	23	44	30	16	15
SR 150/600	2	4	8	16	32	11	7	7
SR 150/900	3	5	9	18	36	25	13	14
SR 200/600	2	4	6	10	27	13	7	7
SR 200/900	3	7	11	20	39	23	8	7
SR 250/600	4	5	6	11	22	12	7	6
SR 250/900	4	5	7	16	32	20	12	10
SR 315/600	2	4	5	10	17	9	6	5
SR 315/900	3	5	8	17	30	14	10	8