Ventilation Spiral Ductwork Rigid Silencer

• Usage: for Air Conditioner
• Certification: ISO
• Product Name: Ductwork Rigid Silencer
• Dimension: 100-630mm
• Transport Package: Carton
• Specification: Silencer
• Model NO.: Silencer
• Trademark: chinafore
• Origin: China
• Production Capacity: 50000 Pieces/Year

Product Description

Dimensions
Type	φD[mm]	φd[mm]	L[mm]
SA100 L=900	200	100	900
SA125 L=600	200	125	600
SA125 L=900	200	125	900
SA150 L=600	250	150	600
SA150 L=900	250	150	900
SA160 L=600	250	160	600
SA160 L=900	250	160	900
SA180 L=600	315	180	600
SA180 L=900	315	180	900
SA200 L=900	315	200	900
SA250 L=900	400	250	900
SA315 L=900	500	315	900
SA355 L=900	500	355	900
SA400 L=900	630	400	900
SA450 L=900	630	450	900
SA500 L=1200	630	500	1200
SA560 L=1200	800	560	1200
SA630 L=1200	800	630	1200

Sound attenuation
Type	Attenuation dB
	125[Hz]	250[Hz]	500[Hz]	1k[Hz]	2k[Hz]	4k[Hz]	8k[Hz]
SA100 L=900	8	15	27	36	42	47	24
SA125 L=600	6	12	22	28	37	38	22
SA125 L=900	9	18	30	40	48	43	24
SA150 L=600	4	9	17	2	32	29	18
SA150 L=900	7	15	20	35	45	36	20
SA160 L=600	5	10	18	23	33	30	19
SA160 L=900	8	16	27	36	48	37	21
SA180 L=600	6	90	17	22	32	29	18
SA180 L=900	9	15	26	35	46	36	20
SA200 L=900	7	13	24	31	44	31	20
SA250 L=900	8	15	29	34	47	33	17
SA315 L=900	6	12	22	24	36	26	19
SA355 L=900	7	13	21	25	37	27	21
SA400 L=900	6	12	20	26	32	28	24
SA450 L=900	6	9	14	23	21	24	14
SA500 L=1200	7	11	15	24	22	25	16
SA560 L=1200	7	13	16	24	21	24	15
SA630 L=1200	7	14	18	25	21	21	15