Grain Systems Tanks PNEG-4021 - Manual (Page 40)

6. Stiffeners
40 PNEG-4021 40 Series 18', 21' and 24' Diameter Bins
Top Stiffeners
Use the following information to determine the differences between the three (3) types of top stiffeners.
(See Figure 6B.)
Figure 6B Images of the Top Stiffeners
Ref # Part # Description Length Available Gauges
A CTS-2069XX Inside Stiffener (for Roof) 23.938" (56 cm) 2-8, 10, 12, 14
B CTS-2118XX 1 Ring Top Stiffener (Close-Punch) 21.938" (56 cm) 16
C CTS-2111XX 2 Ring Top Stiffener 53.938" (137 cm) 15-16
D CTS-2116XX 2 Ring Top Stiffener (Close-Punch) 53.938" (137 cm) 16