QF Viewing Spool

QF Viewing Spools are used to allow a view of material flow and consist of a QF duct with a section of acrylic glass with 3/8” threaded rods. They are manufactured in 3 to 18” diameter, 22, and 20 ga. Galv. or 304SS, with an optional 18 ga. Galv., all in 12.5” lengths.
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Quick Fit Viewing Spools are used to allow a view of material flow and consist of a QF duct with a section of acrylic glass with 3/8th inch threaded rods.

QF Viewing Spools are manufactured as follows:

  • in 3 to 18 inch diameters, with standard 22, and 20 gauge Galvanized or 304SS Stainless Steel, and an optional 18 gauge Galvanize, all in 12.5 inch lengths
  • The Viewing Spool longitudinal seam is lapped, spot welded and caulked, and comes with standard QF ends
  • Collars are attached to the body using a raised hemmed, spot welded seamed construction and are caulked, and have a laser welded longitudinal seam
  • Standard QF Rolled Edge ends can be changed to Raw with a defined ID dimension (RawID), Raw with a defined OD dimension (RawOD), No Fitting or just a raw end (NoFit), Flexible hose adapter (RawFlex), Flat Flange (FFL), Angle Flange (ANGFL), or Van Stone (VanStone).
Size
in.
Galvanized
ga.
304SS
ga.
Weight
lbs.
Length (L)
in.
OD
in.
ID
in.
Rolled Edge
nom. in.
3 22[18] 22 2.50 6.5 3.07 3.00 0.2
4 22[18] 22 3.00 6.5 3.89 3.82 0.2
5 22[18] 22 3.50 6.5 4.91 4.84 0.2
6 22[18] 22 4.10 6.5 5.93 5.86 0.2
7 22[18] 22 4.60 6.5 6.94 6.87 0.3
8 22[18] 22 5.00 6.5 7.93 7.86 0.3
9 22[18] 22 5.45 6.5 8.92 8.85 0.3
10 22[18] 22 6.25 6.5 9.93 9.86 0.3
11 22[18] 22 7.10 6.5 10.92 10.85 0.3
12 22[18] 22 8.20 6.5 11.99 11.92 0.4
13 20[18] 20 11.25 6.5 13.00 12.92 0.4
14 20[18] 20 14.10 6.5 13.99 13.91 0.4
15 20[18] 20 18.25 6.5 14.99 14.91 0.4
16 20[18] 20 22.60 6.5 16.00 15.92 0.4
18 20[18] 20 18.00 6.5 17.99 17.91 0.4
Galvanized Gauge Metal Thickness
Gauge Inches Millimeters
22 0.0366 0.85
20 0.0396 1.01
18 0.0516 1.31
Stainless Gauge Metal Thickness
Gauge Inches Millimeters
22 0.031 0.79
20 0.0375 0.95
NOTE:
  • Maximum Temperature is limited due to properties of the acrylic viewing port.
  • Item Material Compliance/Rating
    QF Viewing Spool Body Galvanized ASTM A653 with a G-90 Rating
    304 SS Finish meets ASTM A240
    316 SS Finish meets ASTM A240
    QF Viewing Spool viewing port Acrylite-clear
    .250 thick
    ASTM D5436 Material Properties
    ASTM D648 Thermal Properties
    3M Scotch Seal Metal Sealant 2084 Acetone blend AAMA Specification 801.1
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