MB21 Chamber Type Blower Silencers
15 to 30 dBA Noise Reduction
An efficient economical design, the MB21 is useful 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)
Features
- Advanced acoustical design
- Prime coated exterior finish
Options / Accessories
- Stainless steel or monel construction
- Flanged connections
- Standard pipe size necks
- Horizontal or vertical support arrangements
- Special paint
- Complete range of exhaust accessories
Attenuation Curves
To download the Maxim MB21 spec page click here
| Part No* | C Size | A | B | N Min | N Max | O | P | Est Wt | ||
| MB21-4 | 4 | 14 | 48 | 5.5 | 22 | 10 | 45 | 110 | ||
| MB21-5 | 5 | 16 | 55 | 6.5 | 25 | 11 | 52.25 | 120 | ||
| MB21-6 | 6 | 18 | 63 | 7 | 29.5 | 12 | 60.25 | 170 | ||
| MB21-8 | 8 | 22 | 76 | 8.5 | 36.5 | 14 | 73.5 | 285 | ||
| MB21-10 | 10 | 26 | 91 | 10.5 | 43 | 16.5 | 88 | 460 | ||
| MB21-12 | 12 | 30 | 109 | 12 | 53 | 18.5 | 106.25 | 745 | ||
| MB21-14 | 14 | 36 | 102 | 14 | 48 | 21.5 | 99.25 | 965 | ||
| MB21-16 | 16 | 40 | 119 | 17 | 56 | 23.5 | 116.5 | 1340 | ||
| MB21-18 | 18 | 45 | 127 | 19 | 60 | 26.5 | 124 | 1850 | ||
| MB21-21 | 20 | 50 | 144 | 21 | 69 | 29 | 141.25 | 2175 | ||
| MB21-22 | 22 | 54 | 161 | 22 | 78 | 31 | 158.5 | 2650 | ||
| MB21-24 | 24 | 60 | 165 | 24 | 79 | 34 | 162.25 | 3400 | ||
| MB21-26 | 26 | 64 | 183 | 26 | 89 | 36 | 180.5 | 3850 | ||
| MB21-28 | 28 | 68 | 200 | 27 | 98 | 38 | 197.75 | 4840 | ||
| MB21-30 | 30 | 72 | 216 | 29 | 107 | 40 | 213.75 | 5150 | ||
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