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PT. 3219
 IN-LINE BACK BLAST DAMPER
  
Used to reduce backward airflow in the line. Can be mounted vertically if airflow is upward: should be specified when ordered.
Now available in Galvanized, Aluminum, Stainless and Stainless+ with optional no. 4 finish.


IN-LINE BACK BLAST DAMPER*
DIA.
(D)
IN		 PART NO. LENGTH
IN		 GAUGE
3” 3219-03 17.5 18
4" 3219-04 18.5 18
5" 3219-05 19.5 18
6" 3219-06 20.5 18
7" 3219-07 21.5 18
8" 3219-08 22.5 18
9" 3219-09 23.5 18
10" 3219-10 24.5 18
11” 3219-11 25.5 18
12" 3219-12 26.5 18
13” 3219-13 27.5 18
14" 3219-14 28.5 18
15” 3219-15 29.5 18
16" 3219-16 30.5 18
17” 3219-17 31.5 18
18" 3219-18 32.5 18
20" 3219-20 34.5 16
22" 3219-22 36.5 16
24" 3219-24 38.5 16
26" 3219-26 40.5 16
28" 3219-28 42.5 16
30" 3219-30 44.5 16
32" 3219-32 46.5 16
34” 3219-34 48.5 16

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