Combination Acoustically Packed and Chamber Type Silencer for Blower Service: Model MB31 Expected Attenuation is 30 dBA The MB31 provides the highest degree of overall noise attenuation on blower intakes or discharges. Use an MB31 where background noise is extremely low and the best degree of silencing is required.

	Typical Applications Rotary positive blower intake and discharge 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 Packed inlet 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 MB31,
call us at 832-554-0980 or
complete our Contact Form.

	Combination Acoustically Packed and Chamber Type Silencer for Blower Service: Model MB31 with inline inlet and outlet.

	Attenuation for Combination Acoustically Packed and Chamber Type Silencer for Blower Service: Model MB31

Combination Acoustically Packed and Chamber Type Silencer for Blower Service:
Model MB31 Sizes and Specifications

N
Size	A	B	C	Min.	Max.	O	P	Est. Wt.	PDF
4"	14	52	4	8½	19	23	45	150
5"	16	60	5	10	21½	26	52¼	195
6"	18	69	6	10	26½	30	60¼	250
8"	22	84	8	11	33½	36	73½	380
10"	26	101	10	10½	40	43	88	620
12"	30	121	12	15	50	51	106¼	1030
14"	36	115	14	18	44	52	99¼	1230
16"	40	135	16	20	53	59	116½	1815
18"	45	140	18	25	54	58	124	2750
20"	50	159	20	26	64	59	141¼	3210
22"	54	177	22	29	71	60	154¼	3895
24"	60	184	24	30	73	60	162¼	4330
26"	64	204	26	31	84	60	180½	5005
28"	68	223	28	33	92	62	197¾	6625
30"	72	241	30	34	102	62	213¾	7315
32"	76	250	32	36½	102½	64	220¾	8415
34"	82	252	34	37½	102½	64	220½	8995
36"	86	254	36	37½	102½	65	221	9485

Download the Maxim MB31 spec page here.