YCS-T noise limiter

Silencers of this series are intended for use in circular channels of corridor systems for equalizing aerodynamic drag, silencing noise, preventing sound penetration between rooms and preventing listening.

d, мм	L, мм	63	125	250	500	1 000	2 000	4 000	8 000
100/125	1 000	14,5	19,7	36,3	35,2	45,8	57,0	35,4	26,8
	600	4,6	10,3	16,8	32,2	33,2	38,4	17,7	17,5
160	1 000	12,4	17,1	31,8	33,2	41,3	46,4	31,0	24,3
	600	4,4	9,0	15,5	28,8	28,4	33,8	16,9	16,5
200	1 000	10,8	14,9	27,8	31,5	37,2	40,0	27,0	22,2
	600	4,3	8,0	14,4	25,6	25,2	29,4	16,3	15,4
250	1 000	9,2	12,8	24,0	30,0	33,4	33,8	23,2	20,2
	600	4,2	7,2	13,4	22,6	22,2	25,0	15,8	14,5

Local resistance coefficient ζ = 0,65

YCS-М noise limiter

Silencers of this series are intended for use in circular air ducts of corridor systems for equalizing aerodynamic drag, silencing noise, preventing sound penetration between rooms and preventing listening.

Types	d, мм	L, мм	63	125	250	500	1 000	2 000	4 000	8 000
2	100	500	29	28	22	33	42	28	24	27
		1 000	39	35	27	38	51	35	24	25
	125	500	29	27	23	31	40	29	26	28
		1 000	39	34	28	36	56	36	24	26
	160	1 000	38	32	28	35	53	35	24	21
	200	1 000	35	30	28	33	48	31	21	23
	250	1 000	35	25	24	23	41	34	19	21

Local resistance coefficient for type 8.1 ζ = 1,52; for types 8.2, 8.3 ζ = 0,90