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» High Pressure Galvanized » Low Pressure Galvanized » PVS Underground HVAC/Chemical Duct
PRODUCT INDEX
Low/High Pressure Defined
Product Selection Diagram
Elbows
Concentric/Eccentric Reducers
Couplings
Starting Collars
End Caps
45° Boot Saddles
45° Laterals
90° Boot Saddles
90° Tee's
90° Shoe Taps
High Efficiency Takeoff
Air Intake Hood
Roof Jack
Spiral Pipe
Pant Wye's
Quadrant Dampers
90° Register Saddles
Ufo Head
Warm Air Head
Ceiling Head
Rectangular Duct
Volume Damper
Plenum with Cap
Filter Rack
Access Panels
Installation Accessories
Slips, Flat Drive, Furnace Access.
Rec. Sheet Metal Gauges & Const.
Longitudinal Seams
Duct Reinforcement

Product Selection Schematic
Click on image.


Starting Collar Starting Collar
with Damper
starting collar starting collar with damper
Whether your existing system is round pipe, flexible duct, rectangular duct, or ductboard, you will need a take-off, starting collar, or tee saddle to begin... See below for optional installed damper.
*Single Quad Damper **Double Quad Damper ***Heavy Duty Damper (
click here for dampers)
Starting Collar
D L Gauge Part #
3 2 26 2-0372
4 2 26 2-0472
5 2 26 2-0572
6 2 26 2-0672
7 2 26 2-0772
8 2 26 2-0872
9 2 26 2-0972
10 2 26 2-1072
11 2 26 2-1172
12 2 24 2-1272
14 2 24 2-1472
16 2 24 2-1672
18 2 22 2-1872
20 2 22 2-2072
22 2 22 2-2272
24 2 22 2-2472
Starting Collar with Damper
D L Gauge Part #
3 3 3/4 26* 2-03726
4 3 3/4 26* 2-04726
5 3 3/4 26* 2-05726
6 4 1/2 26* 2-06726
7 5 1/4 26* 2-07726
8 6 26* 2-08726
9 6 3/4 26** 2-09726
10 7 1/2 26** 2-10726
11 8 1/4 26** 2-11726
12 9 24** 2-12726
14 10 1/2 24** 2-14726
16 12 24** 2-16726
18 13 1/2 22*** 2-18726
20 15 22*** 2-20726
22 16 1/2 22*** 2-22726
24 18 22*** 2-24726
Other sizes available. Other sizes available.
11419 Yellowpine St. NW - Minneapolis, MN 55448 - Ph: 763-755-7677 - 1-800-426-3643 - info@spiralmfg.com