Circular Attenuators

Products

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C1 - Circular 1D Open Type Attenuators

Features

The 'C1' circular attenuators units are one diameter long. They are generally mounted directly to or close to an axial flow fan.

Model	Diameter	External Diameter	Length	dB(A) Reduction
C1-031	315	481	300	8
C1-035	350	521	300	8
C1-040	400	566	600	8
C1-045	450	616	600	8
C1-050	500	666	600	8
C1-056	560	730	600	9
C1-063	630	800	600	9
C1-071	710	880	900	9
C1-080	800	970	900	9
C1-090	900	1070	1150	9
C1-100	1000	1220	1150	8
C1-125	1250	1470	1150	8
C1-140	1400	1620	1150	8
C1-160	1600	1820	1800	8
C1-180	1800	2020	1800	7
C1-200	2000	2220	1800	7

C2 - Circular 2D Open Type Attenuators

Features

The 'C2' circular attenuators units are nominally two diameters long. They are generally mounted directly to or close to an axial flow fan.

Model	Diameter	External Diameter	Length	dB(A) Reduction
C2-031	315	481	600	13
C2-035	350	521	600	13
C2-040	400	566	900	13
C2-045	450	616	900	14
C2-050	500	666	1150	13
C2-056	560	730	1150	14
C2-063	630	800	1150	14
C2-071	710	880	1500	14
C2-080	800	970	1500	14
C2-090	900	1070	1800	13
C2-100	1000	1220	1800	13
C2-125	1250	1470	2400	13
C2-140	1400	1620	2400	13
C2-160	1600	1820	3600	12
C2-180	1800	2020	3600	12
C2-200	2000	2220	3600	12