Angle Flange

QF Angle Flanges used with QF Angle Flange Adapters can easily be used to connect other Norfab Quick-Fit Ducting components to existing flanged ductwork. QF Angle Flanges come in industry standard sizes and hole patterns and manufactured using Galvanized or Stainless-steel metal. Hardware must be supplied by customer.
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Quick-Fit Angle Flanges used with Quick-Fit Angle Flange Adapters can easily be used to connect other Nordfab Quick-Fit Ducting components to existing flanged ductwork. QF Angle Flanges come in industry standard sizes and hole patterns.

QF Angle Flanges are manufactured as follows:

  • In galvanized or optional stainless-steel metal up to 48 inches in diameter

QF Angle Flange Gaskets, are available to go with Angle Flanges

  • Angle Flange can be modified to a 3/16 " thick Flat Flange (FFL) to match your hole pattern.
Size
in.
Wgt.
lbs.
Hgt. (H)
in.
Thk. (T)
in.
ID
in.
B.C.
in.
OD
in.
Bolts
#
Hole Dia.
in.
3 0.70 1.00 0.1250 3.06 4.31 5.06 6 0.281
4 0.85 1.00 0.1250 4.06 5.31 6.06 6 0.281
5 1.18 1.00 0.1250 5.06 6.31 7.06 6 0.281
6 1.38 1.25 0.1250 6.09 7.31 8.59 6 0.281
7 1.73 1.25 0.1250 7.13 8.50 9.63 6 0.375
8 1.90 1.25 0.1250 8.13 9.56 10.63 6. 0.375
9 2.55 1.25 0.1250 9.13 10.63 11.63 6 0.438
10 3.05 1.25 0.1250 10.13 11.81 12.63 6 0.438
11 3.25 1.25 0.1250 11.13 12.75 13.63 6 0.438
12 3.88 1.50 0.1250 12.13 14.00 15.13 8 0.438
13 4.25 1.50 0.1250 13.13 15.00 16.13 8 0.438
14 4.75 1.50 0.1250 14.13 16.00 17.13 8 0.438
15 7.25 1.50 0.1250 15.13 17.00 18.13 8 0.438
16 8.00 1.50 0.1875 16.13 18.00 19.13 8 0.438
17 8.25 1.50 0.1875 17.13 19.00 20.13 8 0.438
18 8.50 1.50 0.1875 18.13 20.00 21.13 8 0.438
19 8.75 1.50 0.1875 19.13 20.75 22.13 8 0.438
20 9.50 1.50 0.1875 20.13 21.75 23.13 12 0.438
21 10.25 1.50 0.1875 21.13 22.75 24.13 12 0.438
22 10.75 1.50 0.1875 22.13 23.75 25.13 12 0.438
23 11.25 1.50 0.1875 23.13 24.88 26.13 12 0.438
24 11.50 1.50 0.1875 24.13 25.88 27.13 12 0.438
25 12.00 1.50 0.1875 25.13 26.88 28.13 16 0.438
26 16.75 2.00 0.1875 26.13 28.38 30.13 16 0.438
27 17.38 2.00 0.1875 27.13 29.39 31.13 16 0.438
28 18.00 2.00 0.1875 28.13 30.38 32.13 16 0.438
29 18.75 2.00 0.1875 29.13 31.38 33.13 16 0.438
30 19.50 2.00 0.1875 30.13 32.38 34.13 16 0.438
31 20.38 2.00 0.1875 31.13 33.38 35.13 16 0.438
32 20.75 2.00 0.1875 32.13 34.38 36.13 16 0.438
33 21.25 2.00 0.1875 33.13 35.38 37.13 16 0.438
34 22.00 2.00 0.1875 34.13 36.38 38.13 16 0.438
35 22.50 2.00 0.1875 35.13 37.38 39.13 16 0.438
36 23.00 2.00 0.1875 36.13 38.38 40.13 16 0.438
37 23.75 2.00 0.1875 37.13 39.38 41.13 24 0.438
38 24.50 2.00 0.1875 38.13 40.38 42.13 24 0.438
39 25.00 2.00 0.1875 39.13 41.38 43.13 24 0.438
40 25.75 2.00 0.1875 40.13 42.38 44.13 24 0.438
42 26.50 2.00 0.1875 42.13 44.38 46.13 24 0.438
44 28.00 2.00 0.1875 44.13 46.38 48.13 24 0.438
46 29.00 2.00 0.1875 46.13 48.38 50.13 24 0.438
48 30.75 2.00 0.1875 48.13 50.38 52.13 24 0.438
NOTES:
  1. At temperatures ranging between 390° F and 480° F, the zinc-iron alloy layers in the galvanized steel will continue to provide a high level of protection from corrosion. However, there may be some peeling, changes in mechanical properties, and reduction in the corrosion protection. Recommended maximum service temperature is 390° F.
  2. For 304 SS metal, bluing may occur at temperatures of 800° F and above.
Item Material Compliance/Rating
Angle Flange Galvanized ASTM A653 with a G-90 Rating
304 SS Finish meets ASTM A240
316 SS Finish meets ASTM A240
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