• Description: A conventional cross section (reduced section modulus) in ductile iron.
• Utilization: A back-up ring for !PS or APR connections. Buttweld or integrally flared stub-ends.
• Materials: Cast in ductile iron A536. Tensile strength 80,000 psi, yield 55,000 psi, elongation 6%.
• Dimensions: Vital dimensions AWWA C207, Mates with ANSI B16.5, B16.47; AWWA C207.
• Finish: Red oxide primer, hot dipped galvanized
| PIPE DIAMETER | 00 | FLANGE THICKNESS | ID | BOLT NUMBER | BOLT HOLE DIAMETER | BOLT CIRCLE |
|---|---|---|---|---|---|---|
| 1" | 3.5 | 0.44 | 0.91 | 4 | 0.63 | 2.38 |
| 1 1/4" | 4.63 | 0.5 | 1.72 | 4 | 0.63 | 3.5 |
| 1 1/2" | 5.0 | 0.5 | 1.97 | 4 | 0.63 | 3.88 |
| 2" | 6.0 | 0.5 | 2.75 | 4 | 0.75 | 4.75 |
| 3" | 7.5 | 0.5 | 7.5 | 4 | 0.75 | 6.0 |
| 4" | 9.0 | 0.56 | 4.56 | 8 | 0.75 | 7.50 |
| 6" | 11.0 | 0.63 | 6.75 | 8 | 0.88 | 9.5 |
| 8" | 13.5 | 0.63 | 8.75 | 8 | 0.88 | 11.75 |
| 10" | 16.0 | 0.63 | 10.88 | 12 | 1.0 | 14.25 |
| 12" | 19.0 | 0.75 | 12.88 | 12 | 1.0 | 17.0 |
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