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.

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3219 Dampers

3219 In Line Back Blast Dampers
3219 Dampers

3219 In Line Back Blast Dampers
3219 Dampers

3219 In Line Back Blast Dampers
3219 Dampers

3219 In Line Back Blast Dampers
3219 Dampers

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