3219 - QF In Line Back Draft Damper

  • Used to reduce backward air flow in the line.
  • Designed for use in a horizontal line. Specify if vertical operation is required.
  • Not an explosion isolation device.
In stock
SKU
3219
Technical Data Sheet:
Part Number Diameter DescriptionPriceQtyTotal
3219-0300-200000 3 in. 3" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 17.5" Length. B7"$312.35
3219-0300-100000 3 in. 3" QF In Line Back Draft Damper - Galvanized 18 Gauge - 17.5" Length. B7"$182.37
3219-0400-200000 4 in. 4" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 18.5" Length. B7"$312.35
3219-0400-100000 4 in. 4" QF In Line Back Draft Damper - Galvanized 18 Gauge - 18.5" Length. B7"$182.37
3219-0500-200000 5 in. 5" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 19.5" Length. B7"$394.49
3219-0500-100000 5 in. 5" QF In Line Back Draft Damper - Galvanized 18 Gauge - 19.5" Length. B7"$230.21
3219-0600-200000 6 in. 6" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 20.5" Length. B7"$464.87
3219-0600-100000 6 in. 6" QF In Line Back Draft Damper - Galvanized 18 Gauge - 20.5" Length. B7"$271.28
3219-0700-200000 7 in. 7" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 21.5" Length. B7"$542.90
3219-0700-100000 7 in. 7" QF In Line Back Draft Damper - Galvanized 18 Gauge - 21.5" Length. B7"$316.79
3219-0800-200000 8 in. 8" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 22.5" Length. B7"$621.05
3219-0800-100000 8 in. 8" QF In Line Back Draft Damper - Galvanized 18 Gauge - 22.5" Length. B7"$362.53
3219-0900-100000 9 in. 9" QF In Line Back Draft Damper - Galvanized 18 Gauge - 23.5" Length. B7"$401.04
3219-0900-200000 9 in. 9" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 23.5" Length. B7"$687.42
3219-1000-200000 10 in. 10" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 24.5" Length. B7"$761.57
3219-1000-100000 10 in. 10" QF In Line Back Draft Damper - Galvanized 18 Gauge - 24.5" Length. B7"$444.44
3219-1100-200000 11 in. 11" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 25.5" Length. B7"$835.83
3219-1100-100000 11 in. 11" QF In Line Back Draft Damper - Galvanized 18 Gauge - 25.5" Length. B7"$487.40
3219-1200-200000 12 in. 12" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 26.5" Length. B7"$835.83
3219-1200-100000 12 in. 12" QF In Line Back Draft Damper - Galvanized 18 Gauge - 26.5" Length. B7"$487.40
3219-1300-200000 13 in. 13" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 32.5" Length. B12"$921.74
3219-1300-100000 13 in. 13" QF In Line Back Draft Damper - Galvanized 18 Gauge - 32.5" Length. B12"$537.80
3219-1400-200000 14 in. 14" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 33.5" Length. B12"$921.74
3219-1400-100000 14 in. 14" QF In Line Back Draft Damper - Galvanized 18 Gauge - 33.5" Length. B12"$537.80
3219-1500-200000 15 in. 15" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 34.5" Length. B12"$1,007.55
3219-1500-100000 15 in. 15" QF In Line Back Draft Damper - Galvanized 18 Gauge - 34.5" Length. B12"$587.86
3219-1600-200000 16 in. 16" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 43.5" Length. B20"$1,007.55
3219-1600-100000 16 in. 16" QF In Line Back Draft Damper - Galvanized 18 Gauge - 43.5" Length. B20"$587.86
3219-1700-200000 17 in. 17" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 44.5" Length. B20"$1,109.11
3219-1700-100000 17 in. 17" QF In Line Back Draft Damper - Galvanized 18 Gauge - 44.5" Length. B20"$647.24
3219-1800-200000 18 in. 18" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 45.5" Length. B20"$1,109.11
3219-1800-100000 18 in. 18" QF In Line Back Draft Damper - Galvanized 18 Gauge - 45.5" Length. B20"$647.24
3219-2000-200000 20 in. 20" QF In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 47.5" Length. B20"$1,265.62
3219-2000-100000 20 in. 20" QF In Line Back Draft Damper - Galvanized 16 Gauge - 47.5" Length. B20"$738.37
3219-2200-200000 22 in. 22" QF In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 49.5" Length. B20"$1,566.21
3219-2200-100000 22 in. 22" QF In Line Back Draft Damper - Galvanized 16 Gauge - 49.5" Length. B20"$913.64
3219-2400-100000 24 in. 24" QF In Line Back Draft Damper - Galvanized 16 Gauge - 51.5" Length. B20"$1,027.75
3219-2400-200000 24 in. 24" QF In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 51.5" Length. B20"$1,761.57
3219-2600-200000 26 in. 26" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 57.5" Length. B24"$1,890.22
3219-2600-100000 26 in. 26" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 57.5" Length. B24"$1,102.90
3219-2800-200000 28 in. 28" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 59.5" Length. B24"$1,968.47
3219-2800-100000 28 in. 28" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 59.5" Length. B24"$1,148.41
3219-3000-200000 30 in. 30" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 61.5" Length. B24"$2,191.14
3219-3000-100000 30 in. 30" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 61.5" Length. B24"$1,278.28
3219-3200-200000 32 in. 32" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 63.5" Length. B24"$2,335.77
3219-3200-100000 32 in. 32" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 63.5" Length. B24"$1,362.64
3219-3400-200000 34 in. 34" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 65.5" Length. B24"$2,491.95
3219-3400-100000 34 in. 34" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 65.5" Length. B24"$1,453.77
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