Home > Products > Polypropylene Encapsulated > PPDI-Polypropylene Encapsulated Backup RingsPPDI - Polypropylene Encapsulated Deltaflex® Backup Rings
Ongoing engineering design efforts may affect the technical information listed in our publications.
| DIMENSIONS | Weight (lbs.) | Operating Pressure |
| SIZE | SDR | O.D. | T | I.D. | Bolt Count | Bolt Hole Size (H) | Bolt Hole Circle (BC) | R |
| 2” | 7 | 0.460 | 0.710 | 2.630 | 4 | 0.750 | 4.750 | 0.820 | 1.8 | 267 |
| 2” | 13.5 | 6.500 | 0.710 | 2.460 | 4 | 0.750 | 4.750 | 0.280 | 1.5 | 128 |
| 3” | 7 | 7.720 | 0.730 | 3.750 | 4 | 0.750 | 6.000 | 0.280 | 2.4 | 267 |
| 3” | 13.5 | 7.800 | 0.710 | 3.600 | 4 | 0.750 | 6.000 | 0.350 | 2.0 | 128 |
| 4” | 7 | 9.330 | 0.980 | 4.750 | 8 | 0.750 | 7.500 | 0.350 | 4.2 | 267 |
| 4” | 13.5 | 9.210 | 0.710 | 4.600 | 8 | 0.750 | 7.500 | 0.350 | 2.5 | 128 |
| 6” | 7 | 11.690 | 1.180 | 1.090 | 8 | 0.880 | 9.500 | 0.500 | 7.1 | 267 |
| 6” | 13.5 | 11.570 | 0.790 | 6.750 | 8 | 0.870 | 9.500 | 0.350 | 4.0 | 128 |
| 8” | 7 | 13.940 | 1.340 | 8.880 | 8 | 0.880 | 11.750 | 0.350 | 11.6 | 267 |
| 8” | 13.5 | 13.860 | 1.100 | 8.750 | 8 | 0.870 | 11.750 | 0.350 | 7.5 | 128 |
| 10” | 7 | 16.730 | 1.520 | 11.000 | 12 | 1.000 | 14.250 | 0.350 | 16.0 | 267 |
| 10” | 13.5 | 16.610 | 1.220 | 10.920 | 12 | 1.200 | 14.250 | 0.350 | 10.5 | 128 |
| 12” | 7 | 19.570 | 2.010 | 13.190 | 12 | 1.000 | 17.000 | 0.350 | 28.2 | 267 |
| 12” | 13.5 | 19.370 | 1.610 | 1292.000 | 12 | 10.200 | 17.000 | 0.350 | 17.5 | 128 |
| 14” | 7 | 21.340 | 2.050 | 14.380 | 12 | 1.130 | 18.750 | 0.350 | 35.7 | 267 |
| 14” | 13.5 | 21.260 | 1.610 | 14.380 | 12 | 1.140 | 18.750 | 0.350 | 23.0 | 128 |
| 16” | 7 | 23.900 | 2.440 | 16.380 | 16 | 1.130 | 21.250 | 0.350 | 66.4 | 267 |
| 16” | 13.5 | 23.820 | 1.750 | 16.190 | 16 | 1.140 | 21.250 | 0.350 | 30.0 | 128 |
| 18” | 7 | 25.510 | 2.440 | 18.380 | 16 | 1.250 | 22.750 | 0.350 | 60.6 | 267 |
| 18” | 13.5 | 25.510 | 1.910 | 18.380 | 16 | 1.260 | 22.750 | 0.350 | 34.0 | 128 |
| 20” | 7 | 27.990 | 2.680 | 20.380 | 20 | 1.250 | 25.000 | 0.350 | 93.5 | 267 |
| 20” | 13.5 | 27.870 | 2.130 | 20.380 | 20 | 1.260 | 25.000 | 0.350 | 42.0 | 128 |
| 22” | 7 | 30.310 | 3.190 | 22.380 | 20 | 1.380 | 27.250 | 0.350 | 104.9 | 267 |
| 24” | 7 | 32.520 | 3.190 | 24.380 | 20 | 1.380 | 29.500 | 0.350 | 142.2 | 267 |
| 24” | 13.5 | 32.520 | 2.240 | 24.380 | 20 | 1.380 | 29.500 | 0.350 | 158.5 | 128 |
| 28” | 7 | 37.200 | 3.900 | 28.380 | 28 | 1.380 | 34.000 | 0.350 | 224.4 | 267 |
| 28” | 13.5 | 36.950 | 2.990 | 28.390 | 28 | 1.380 | 34.000 | 0.350 | 105.0 | 128 |
| 30” | 7 | 39.210 | 3.900 | 30.380 | 28 | 1.380 | 36.000 | 0.350 | 247.1 | 267 |
| 30” | 13.5 | 39.450 | 3.130 | 30.380 | 28 | 1.380 | 36.000 | 0.350 | 119.0 | 128 |
| 36” | 13.5 | 46.650 | 3.860 | 36.380 | 32 | 1.610 | 42.750 | 0.350 | 197.0 | 128 |