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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.

3219 Dampers
3219 Drawing
Items 3219 Dampers
3219-0300
3219 In Line Back Blast Dampers
3219 Dampers
3219-0400
3219 In Line Back Blast Dampers
3219 Dampers
3219-0500
3219 In Line Back Blast Dampers
3219 Dampers
3219-0600
3219 In Line Back Blast Dampers
3219 Dampers
3219-0700
3219 In Line Back Blast Dampers
Diameter N/A 3" N/A 4" N/A 5" N/A 6" N/A 7"
Ends N/A QF
Length (L) N/A 17.5" N/A 18.5" N/A 19.5" N/A 20.5" N/A 21.5"
Length (B) N/A 7"
Gauge N/A 18
Weight (Galv) N/A 2.25 lbs. N/A 3.00 lbs. N/A 3.50 lbs. N/A 4.00 lbs. N/A 4.50 lbs.
Certifications N/A ISO 9001 & ISO 14001
Manufacturer N/A Nordfab