1-1/4" IPS Ductile Iron Backup Ring (Rated up to SDR7 or 335psi)
Epoxy Coated Ductile Iron
Backing Ring Only - For use with hdpe flange adpaters (Sold Separately)
Pipe | Outside | Flange | Inside | Bolt | Dia. | Bolt | Radius | Operating |
Diameter | Dia. | Thickness | Dia. | Count | Bolt Hole | Circle | r | Pressure |
O.D. | T | I.D. | N | B.D. | B.C. | |||
3/4" | 3.88 | 0.5 | 1.11 | 4 | 0.63 | 2.75 | 0.13 | 335psi |
1" | 4.25 | 0.56 | 1.38 | 4 | 0.63 | 3.13 | 0.13 | 335psi |
1 1/4" | 4.63 | 0.63 | 1.72 | 4 | 0.63 | 3.5 | 0.19 | 335psi |
1 1/2" | 5 | 0.69 | 1.97 | 4 | 0.63 | 3.88 | 0.25 | 335psi |
2" | 6 | 0.5 | 2.63 | 4 | 0.75 | 4.75 | 0.2 | 200psi |
3" | 7.5 | 0.53 | 3.75 | 4 | 0.75 | 6 | 0.28 | 200psi |
4" | 9 | 0.55 | 4.75 | 8 | 0.75 | 7.5 | 0.28 | 200psi |
6" | 11 | 0.63 | 6.88 | 8 | 0.88 | 9.5 | 0.28 | 200psi |
8" | 13.5 | 0.85 | 8.88 | 8 | 0.88 | 11.75 | 0.28 | 200psi |
10" | 16 | 0.98 | 11 | 12 | 1 | 14.25 | 0.31 | 200psi |
12" | 19 | 1.25 | 13.13 | 12 | 1 | 17 | 0.28 | 200psi |
• Description | Ductile Iron Backup Ring |
• Utilization | Hdpe Pipe, Stainless Steel and Carbon Steel Stub Ends |
• Materials | Cast Ductile iron ASTM A536 |
• Dimensions | Vital dimensions AWWA C207. Mates with all 150lb flanges, ANSI B16.5, B16.47; AWWA C207. |
• Finish | Epoxy Coated |