3220 Branches
(27)3220 Branch
Duct Branches manufactured by Nordfab are made available in galvanized and stainless steel materials. They feature laser welded seams and rolled ends, and are designed as standard 30° Branches. 45° is available upon request.
Notes:
- Designate A, B, C.
- Branch priced by “A” dimension.
- Above 24” available only in flange (The price of an angle flange will be added to all flanged ends.)
Construction:
- Seam: longitudinal seam is lapped, spot welded, and caulked
- Collars: located on the exterior side of each port and considered as air flow non-directional. Collars have a laser welded longitudinal seam (exception: 3” collars are lapped, spot welded, and caulked.) If air flow directional product is required, it must be stated on the PO and additional cost may be incurred. A raised lap seam and spot weld are used for attaching the collar to the body and no caulking is used. If caulking is required, additional cost may be incurred
3221 Y Branches
(27)Y Branches are now available in galvanized, aluminum, stainless and stainless+ with optional no. 4 finish. When ordering specify A, B, D.. All branches are priced by the large end A. Both B & D each must be at least 50% of A, with B or D being at least 80% of the opposite leg.
End Style: QF® (standard), Flange, Raw
B + D >= A
Use formula above to determine if a reducer is needed at "B" and/or "D".
Flange Leg: Length= 4.5" AND Height= A+4"
If A-B or D desired in flange, add price or flange and denote by FL after dimension for which flange is needed.
On sizes above 24", "A" is flanged. Add the cost of flange if "B" or "D" require flanges.
- Standard 60°
- Optional 90°
3226 Double Branches
(27)3226 Double Branch
Double Branch, sometimes known as Duck Foot, comes available in standard 30° and optional 45°. All Nordfab duct branches are priced by the large end. Now available in galvanized, aluminum, stainless and stainless+ with optional no. 4 finish.
When ordering specify A, B, C, D.
(A-B) >= (B-C) And (B) >= (D)
*Note: Reducer at "B" or "D" may be required. Use formula above to determine.
Additional Notes:
- End Style: QF (standard), Flange, Raw
- On sizes above 24", "A" is flanged. Add the cost of flange if "B", "C", "D" require flanges.
3227 T Branches
(27)3227 T-Branch
T-Branch duct fittings are now made available in galvanized, aluminum, stainless and stainless+ with optional no. 4 finish.
- End style: QF® (standard), Flange, Raw available.
- When ordering, specify A, B. All branches priced by large end.
Notes:
- "A" to "A" must be the same dimension; however, "B" must be equal to or smaller than the "A" dimension
- On sizes above 24", "A" is flanged. Add the cost of flange if "B" requires a flange