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Best Chamber Type Spark Arresting:
Expected Attenuation is 28 to 32dBA
Use a model MSA4 for the highest degree of
“critical” grade silencing for areas requiring
“hospital quiet” noise reductions and spark
arresting feature.
The MSA4 is presently the top-of-the-line silencer
without resorting to multiple silencers in series or
custom designed silencers.
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- Internal combustion engine exhausts
- High efficient spark arresting capability
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- Advanced acoustical design
- Heavy duty, all welded construction and long
service life
- Easily installed in any position
- Prime coated exterior finish
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- Backfire relief covers
- Flexible connectors
- Companion flanges
- Cleanout openings
- Side inlets
- Horizontal or vertical support arrangements
- Special painting
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Size |
A |
B |
C |
N |
O |
P |
Est. Wt. |
PDF |
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Min. |
Max. |
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4" |
18 |
64 |
4 |
6 |
31 |
12 |
61 ¼ |
200 |
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5" |
22 |
72 |
5 |
6 |
35 |
14 |
69 ¼ |
285 |
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6" |
26 |
85 |
6 |
9 |
41 ½ |
16 |
82 ½ |
390 |
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8" |
30 |
103 |
8 |
10 ½ |
50 |
18 ½ |
100 |
585 |
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10" |
36 |
118 |
10 |
12 ½ |
59 |
21 ½ |
115 |
860 |
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12" |
36 |
146 |
12 |
13 |
58 |
21 ½ |
143 |
1250 |
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14" |
40 |
145 |
14 |
16 |
56 |
23 ½ |
142 |
1525 |
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16" |
45 |
164 |
16 |
18 |
63 |
26 |
161 ¼ |
2150 |
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18" |
50 |
188 |
18 |
20 |
74 |
29 |
185 |
3450 |
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20" |
54 |
217 |
20 |
21 |
84 |
31 |
214 |
4075 |
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22" |
60 |
230 |
22 |
23 |
92 |
34 |
227 |
5050 |
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24" |
64 |
258 |
24 |
25 |
105 |
36 |
255 ¼ |
6075 |
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26" |
68 |
283 |
26 |
26 |
115 |
38 |
280 ¼ |
7325 |
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28" |
72 |
315 |
28 |
28 |
128 |
40 |
312 ¼ |
8225 |
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30" |
78 |
326 |
30 |
30 |
133 |
43 |
323 ½ |
9250 |
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Note: Dimensions are in inches, weights are
in pounds. |
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