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Ferrules shall be of red brass and shall be in accordance with Table 18-29-705.16.
Pipe Sizes (inches) | Inside Diameter (inches) | Length (inches) | Minimum Weight Each |
2 | 2 1/4 | 4 1/2 | 1 pound |
3 | 3 1/4 | 4 1/2 | 1 pound 12 ounces |
4 | 4 1/4 | 4 1/2 | 2 pounds 6 ounces |
For SI: 1 inch = 25.4 mm, 1 ounce = 28.35g, 1 pound = 0.454 kg