INFERNO
Manufacturing Corporation
115 Ricou St.; Shreveport, LA 71107-6933
PH: 318-221-8454; FAX: 318-222-4106

Flat Back vs. Curved Back

[Figure] Curved to fit shell O.D.
[figure] Flat Back, inserted through shell
Fig. 7-1 Fig. 7-2
[figure] Flat Back on flat tank
[figure] do NOT weld Flat Back on curved surface -- warped seat will cause glass breakage
Fig. 7-3 Fig. 7-4

Curving

How will you mount INFERNO welding pad to the vessel?

(1) on outside of shell
(2) insert through shell flush to I.D.
(3) insert and project past I.D. of shell.

Answer determines if curving is required.

[Figure: D max]

"Curved to fit..."
Vessel
Diameter
Pad Thick. (T)
Dmax
in.
(mm)
in.
(mm)
3" pipe 1.5 38 0.68 17
4" pipe 1.5 38 0.47 12
5" pipe 1.5 38 0.37 9
6" pipe 1.25 32 0.30 8
8" pipe 1.25 32 0.23 6
10" pipe 1.25 32 0.18 5
12" pipe 1.25 32 0.15 4
20" 1.25 32 0.10 2
30" 1.25 32 0.06 2
40" 1.25 32 0.05 1
60" 1 25 0.03 1
90" 1 25 0.02 1
120" 1 25 0.02 0
FLAT 1 25 -0- -0-