• 3219 Dampers
  • Made in the USA
  • 3219 Drawing


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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Item #

Diameter

Ends

Length (L)

Length (B)

Gauge

Weight (Galv)

Certifications

N/A 3" N/A QF N/A 17.5" N/A 7" N/A 18 N/A 2.25 lbs. N/A ISO 9001 & ISO 14001
N/A 4" N/A QF N/A 18.5" N/A 7" N/A 18 N/A 3.00 lbs. N/A ISO 9001 & ISO 14001
N/A 5" N/A QF N/A 19.5" N/A 7" N/A 18 N/A 3.50 lbs. N/A ISO 9001 & ISO 14001
N/A 6" N/A QF N/A 20.5" N/A 7" N/A 18 N/A 4.00 lbs. N/A ISO 9001 & ISO 14001
N/A 7" N/A QF N/A 21.5" N/A 7" N/A 18 N/A 4.50 lbs. N/A ISO 9001 & ISO 14001
N/A 8" N/A QF N/A 22.5" N/A 7" N/A 18 N/A 5.00 lbs. N/A ISO 9001 & ISO 14001
N/A 9" N/A QF N/A 23.5" N/A 7" N/A 18 N/A 10.00 lbs. N/A ISO 9001 & ISO 14001
N/A 10" N/A QF N/A 24.5" N/A 7" N/A 18 N/A 20.00 lbs. N/A ISO 9001 & ISO 14001
N/A 11" N/A QF N/A 25.5" N/A 7" N/A 18 N/A 25.00 lbs. N/A ISO 9001 & ISO 14001
N/A 12" N/A QF N/A 26.5" N/A 7" N/A 18 N/A 30.00 lbs. N/A ISO 9001 & ISO 14001
N/A 13" N/A QF N/A 32.5" N/A 12" N/A 18 N/A 36.00 lbs. N/A ISO 9001 & ISO 14001
N/A 14" N/A QF N/A 33.5" N/A 12" N/A 18 N/A 42.00 lbs. N/A ISO 9001 & ISO 14001
N/A 15" N/A QF N/A 34.5" N/A 12" N/A 18 N/A 49.00 lbs. N/A ISO 9001 & ISO 14001
N/A 16" N/A QF N/A 43.5" N/A 20" N/A 18 N/A 59.00 lbs. N/A ISO 9001 & ISO 14001
N/A 17" N/A QF N/A 44.5" N/A 20" N/A 18 N/A 63.00 lbs. N/A ISO 9001 & ISO 14001
N/A 18" N/A QF N/A 45.5" N/A 20" N/A 18 N/A 72.00 lbs. N/A ISO 9001 & ISO 14001
N/A 20" N/A QF N/A 47.5" N/A 20" N/A 16 N/A 78.00 lbs. N/A ISO 9001 & ISO 14001
N/A 22" N/A QF N/A 49.5" N/A 20" N/A 16 N/A 85.00 lbs. N/A ISO 9001 & ISO 14001
N/A 24" N/A QF N/A 51.5" N/A 20" N/A 16 N/A 90.00 lbs. N/A ISO 9001 & ISO 14001
N/A 26" N/A FLANGED N/A 57.5" N/A 24" N/A 16 N/A 100.00 lbs. N/A ISO 9001 & ISO 14001
N/A 28" N/A FLANGED N/A 59.5" N/A 24" N/A 16 N/A 110.00 lbs. N/A ISO 9001 & ISO 14001
N/A 30" N/A FLANGED N/A 61.5" N/A 24" N/A 16 N/A 115.00 lbs. N/A ISO 9001 & ISO 14001
N/A 32" N/A FLANGED N/A 63.5" N/A 24" N/A 16 N/A 120.00 lbs. N/A ISO 9001 & ISO 14001
N/A 34" N/A FLANGED N/A 65.5" N/A 24" N/A 16 N/A 130.00 lbs. N/A ISO 9001 & ISO 14001
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