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Below is an illustrated guide to FRP Flange Bolting Sequences.
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Below is a guide to Flange Nozzle Maximum Bolt Torque.
| NOZZLE SIZE | BOLT TORQUE |
| 1"-12" | 25 FT. LBS. MAX. |
| 14"-16" | 30 FT. LBS. MAX. |
| 18"-20" | 35 FT. LBS. MAX. |
| 24" | 40 FT. LBS. MAX. |
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|
Tank Capacity Chart (U.S. Gallons)
|
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| Diameter |
per / ft shell |
ASME Dish |
30° Cone |
45° Cone |
60° .Cone |
| 3'-0" |
53 |
16 |
15 |
26 |
46 |
| 4'-0" |
94 |
38 |
36 |
63 |
109 |
| 5'-0" |
147 |
74 |
71 |
122 |
212 |
| 6'-0" |
212 |
128 |
122 |
211 |
366 |
| 7'-0" |
288 |
203 |
194 |
336 |
582 |
| 8'-0" |
376 |
308 |
289 |
501 |
868 |
| 9'-0" |
476 |
444 |
412 |
714 |
1236 |
| 10'-0" |
588 |
611 |
565 |
979 |
1696 |
| 11'-0" |
711 |
793 |
752 |
1303 |
2257 |
| 12'-0" |
846 |
1082 |
977 |
1692 |
2931 |
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|
Flange Dimensions (150 lb. Drilling at 25 PSI) |
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| Pipe |
Flg O.D. |
Flg Thk |
BC Dia. |
B/H'S |
B/H Dia. |
Bolt Dia. |
| 1" |
4-1/4" |
1/2" |
3-1/8" |
4 |
5/8" |
1/2" |
| 1-1/2" |
5" |
1/2" |
3-7/8" |
4 |
5/8" |
1/2" |
| 2" |
6" |
1/2" |
4-3/4" |
4 |
3/4" |
5/8" |
| 3" |
7-1/2" |
1/2" |
6" |
4 |
3/4" |
5/8" |
| 4" |
9" |
1/2" |
7-1/2" |
8 |
3/4" |
5/8" |
| 6" |
11" |
1/2" |
9-1/2" |
8 |
7/8" |
3/4" |
| 8" |
13-1/2" |
9/16" |
11-3/4" |
8 |
7/8" |
3/4" |
| 10" |
16" |
11/16" |
14-1/4" |
12 |
1" |
7/8" |
| 12" |
19" |
3/4" |
17" |
12 |
1" |
7/8" |
| 14" |
21" |
13/16" |
18-3/4" |
12 |
1-1/8" |
1" |
| 16" |
23-1/2" |
7/8" |
21-1/4" |
16 |
1-1/8" |
1" |
| 18" |
25" |
15/16" |
22-3/4" |
16 |
1-1/4" |
1-1/8" |
| 20" |
27-1/2" |
1" |
25" |
20 |
1-1/4" |
1-1/8" |