Grain Systems Tanks PNEG-1000 - Manual (Page 55)

10. Stiffener Assembly (Inside Only)
PNEG-1000 2.66" Commercial Tank Stiffener and Sidewall 55
Wind Ring Assembly
Figure 10F
1.To connect wind ring pipe to the stiffeners, attach with 3/8" x 1" bolts through the flange of the
stiffener. In some cases, field drilling of wind ring locations may be required.
2. Attach wind ring pipe section to stiffener using two (2) 3/8" x 6" (SS-7248) wind ring clamps.
3. Place pipes end-to-end without overlapping. Fasten together using two (2) wind ring couplers and
six (6) 3/8" x 1" flanged head bolts with flanged nuts. Couplers should be centered on the seam
of pipes.
Wind rings must be installed in relation to the ladder rungs as shown here, to ensure
compliance with O.S.H.A., regulations.
(See Figure 10G.)
Figure 10G
Ref # Description
A 3/8" x 1" Flanged Head Bolts
B 3/8" Flange Nuts
C Wind Ring Coupler
D C-Clamp (SS-7248)
Ref # Description
E 1-1/2" Minimum
F 4-1/2" Minimum