Home > Products > Ductile Iron Backup Rings > DIPS Backup Rings - 4" to 24"DIPS Convoluted Deltaflex® Backup Rings 4" to 24"
Ongoing engineering design efforts may affect the technical information listed in our publications.
| DIMENSIONS | Weight (lbs.) | HDPE Operating Pressure | Steel Operating Pressure |
| SIZE | O.D. | T | I.D. | Y | Bolt Count | Bolt Hole Size (H) | Bolt Hole Circle (BC) | R |
| 4" | 9.000 | 0.940 | 4.900 | 0.270 | 8 | 0.750 | 7.500 | 0.440 | 5.1 | 267 | 267 |
| 6" | 11.000 | 1.000 | 7.000 | 0.280 | 8 | 0.880 | 9.500 | 0.500 | 7.0 | 267 | 267 |
| 8" | 13.500 | 1.120 | 9.130 | 0.300 | 8 | 0.880 | 11.750 | 0.500 | 10.5 | 267 | 267 |
| 10" | 16.000 | 1.190 | 11.250 | 0.600 | 12 | 1.000 | 14.250 | 0.500 | 15.3 | 267 | 267 |
| 12" | 19.000 | 1.500 | 13.370 | 0.630 | 12 | 1.000 | 17.000 | 0.500 | 24.4 | 267 | 267 |
| 14" | 21.000 | 1.630 | 15.480 | 0.700 | 12 | 1.130 | 18.750 | 0.500 | 36.1 | 200 | 267 |
| 16" | 23.500 | 1.880 | 17.590 | 0.700 | 16 | 1.130 | 21.250 | 0.500 | 48.3 | 200 | 267 |
| 18" | 25.000 | 1.750 | 19.700 | 0.880 | 16 | 1.250 | 22.750 | 0.500 | 47.9 | 200 | 267 |
| 20" | 27.500 | 2.060 | 21.850 | 0.480 | 20 | 1.250 | 25.000 | 0.500 | 60.7 | 200 | 267 |
| 24" | 32.000 | 2.130 | 26.050 | 0.600 | 20 | 1.380 | 29.500 | 0.500 | 90.4 | 200 | 267 |