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3/4" IPS Ductile Iron Backup Ring
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Product Description
3/4" IPS Ductile Iron Backup Ring (Rated up to SDR7) 335psi
Backing Ring Only - For use with hdpe flange adpaters (Sold Separately)
| Pipe | Outside | Flange | Inside | Bolt | Dia. | Bolt | Operating1 |
| Diameter | Dia. | Thickness | Dia. | Count | Bolt Hole | Circle | Pressure |
| O.D. | T | I.D. | N | B.D. | B.C. | ||
| 3/4" | 3.88 | 0.5 | 1.09 | 4 | 0.63 | 2.75 | 335psi |
| • Description | A conventional cross section (reduced section modulus) in ductile iron. |
| • Utilization | A back-up ring for IPS or AFR 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 | epoxy coated |
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