Chamber Type Silencer for Blower Service: Model MB21 Expected Attenuation is 15 to 30 dBA An efficient economical design, the MB21 is useful for high frequency noise reduction on blower intakes or discharges. Use an MB21 where some background noise is always present and high degrees of silencing is not required.

	Typical Applications Rotary positive blower intake and discharge (10" size and below) Wet exhaust systems (Mix temperature not to exceed 200 ºF at silencer)

	Features Advanced acoustical design High quality sound absorbing material Double wall, all welded construction Prime coated exterior finish

	Optional Accessories Stainless steel or monel construction Flanged connections Standard pipe size necks Horizontal or vertical support arrangements Special paint

To order or for more
information on the Maxim
Blower Silencers, Model MB21,
call us at 832-554-0980 or
complete our Contact Form.

	Chamber Type Silencer for Blower Service: Model MB21 with inline inlet and outlet.

	Attenuation for Chamber Type Silencer for Blower Service: Model MB21

Chamber Type Silencer for Blower Service:
Model MB21 Sizes and Specifications

N
Size	A	B	C	Min.	Max.	O	P	Est. Wt.	PDF
4"	14	48	4	5½	22	10	45	110
5"	16	55	5	6½	25	11	52¼	120
6"	18	63	6	7	29½	12	60¼	170
8"	22	76	8	8½	36½	14	73½	285
10"	26	91	10	10½	43	16½	88	460
12"	30	109	12	12	53	18½	106¼	745
14"	36	102	14	14	48	21½	99¼	965
16"	40	119	16	17	56	23½	116½	1340
18"	45	127	18	19	60	26½	124	1850
20"	50	144	20	21	69	29	141¼	2175
22"	54	161	22	22	78	31	158½	2650
24"	60	165	24	24	79	34	162¼	3400
26"	64	183	26	26	89	36	180½	3850
28"	68	200	28	27	98	38	197¾	4840
30"	72	216	30	29	107	40	213¾	5150

Download the Maxim MB21 spec page here.