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Back-Up Flange |
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Our quality back-up flanges are bell-shaped, allowing for concentrated pressure on the tips of the teeth on the clinch ring for less chance of catastrophic buff failures. They are high in quality and durability and are manufactured according to the requirements of the clients.| Nominal Pipe Size | Style | DIMENSIONS | Bolts | |||||
| Inside DlA (OD) | Outside DIA (OD) | Thickness (T) | Bolt Circle (BC) | Hole DIA (HD) | NO. | Approk Weight LBS | ||
| 2 | AFR | 2-7/8" |
6" | 1/2" | 4-3/4" | 0.75 | 4 | 2.7 |
| 2.5 | AFR | 3-3/8" | 7" | 1/2" | 5-1/2" | 0.75 | 4 | 4.1 |
| 3 | AFR | 4" | 7-1/2" | 1/2" | 6" | 0.75 | 4 | 4.4 |
| 4 | AFR | 5" | 9" | 1/2" | 7-1/2" | 0.75 | 8 | 5.9 |
| 5 | AFR | 6" | 10" | 5/8" | 8-1/2" | 0.88 | 8 | 6.5 |
| 6 | AFR | 7-1/4" | 11" | 5/8" | 9-1/2" | 0.88 | 8 | 7.3 |
| 8 | AFR | 9-1/4" | 13-1/2" | 5/8" | 11-3/4" | 0.88 | 8 | 10.3 |
| 10 | AFR | 11-7/16" | 16" | 5/8" | 14-1/4" | 1 | 12 | 18.8 |
| 12 | AFR | 13-5/8" | 19" | 3/4" | 17" | 1 | 12 | 26.7 |
| 14 | AFR | 14-7/8" | 21" | 3/4" | 18-3/4" | 1.13 | 12 | 28.6 |
| 16 | AFR | 16-7/8" | 23-1/2" | 3/4" | 21-1/4" | 1.13 | 16 | 40.4 |
| 18 | AFR | 18-7/8" | 25" | 7/8" | 22-3/4" | 1.25 | 16 | 41.6 |
| 20 | AFR | 20-7/8" | 27-1/2" | 7/8" |
25" | 1.25 | 20 | 59.3 |
| 24 | AFR | 24-7/8" | 32" | 1" | 29-1/2" | 1.38 | 20 | 83.5 |
| 30 | AFR | 30-7/8" | 38-3/4" | 1" | 36" | 1.38 | 28 | 112 |
| 36 | AFR | 36-7/8" | 46" | 1-1/4" | 42-3/4 | 1.63 | 32 | 190 |
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