Home > Products > Stainless Steel Backup Rings > Stainless Steel Backup Ring 24" to 63"Stainless Steel Convoluted Deltaflex® Backup Ring 24" to 63"
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 |
| 24” | 7 | 32.000 | 2.600 | 24.250 | 20 | 1.375 | 29.500 | 0.310 | 116.0 | 267 |
| 24” | 11 | 32.000 | 2.500 | 24.250 | 20 | 1.375 | 29.500 | 0.430 | 110.0 | 160 |
| 24” | 26 | 32.000 | 1.600 | 24.250 | 20 | 1.375 | 29.500 | 0.380 | 65.0 | 64 |
| 26” | 11 | 34.250 | 2.500 | 26.380 | 24 | 1.375 | 31.750 | 0.500 | 119.0 | 160 |
| 26” | 21 | 34.250 | 2.200 | 26.380 | 24 | 1.375 | 31.750 | 0.310 | 96.0 | 80 |
| 28” | 7 | 36.500 | 4.030 | 28.380 | 28 | 1.375 | 34.000 | 0.310 | 193.0 | 267 |
| 28” | 11 | 36.500 | 2.680 | 28.380 | 28 | 1.375 | 34.000 | 0.500 | 134.0 | 160 |
| 28” | 21 | 36.500 | 2.300 | 28.380 | 28 | 1.375 | 34.000 | 0.310 | 109.0 | 80 |
| 30” | 7 | 38.750 | 3.800 | 30.380 | 28 | 1.375 | 36.000 | 0.310 | 302.0 | 267 |
| 30” | 13.5 | 38.750 | 2.750 | 30.380 | 28 | 1.375 | 36.000 | 0.500 | 175.0 | 128 |
| 30” | 26 | 38.750 | 2.180 | 30.380 | 28 | 1.375 | 36.000 | 0.310 | 121.0 | 64 |
| 32” | 11 | 41.750 | 3.400 | 32.380 | 28 | 1..625 | 38.500 | 0.320 | 285.0 | 160 |
| 32” | 26 | 41.750 | 2.360 | 32.380 | 28 | 1.625 | 38.500 | 0.310 | 145.0 | 64 |
| 34” | 11 | 43.750 | 3.250 | 34.380 | 32 | 1.625 | 40.500 | 0.320 | 305.0 | 160 |
| 34” | 17 | 43.750 | 2.950 | 34.380 | 32 | 1.625 | 0.500 | 0.500 | 209.0 | 100 |
| 36” | 11 | 46.000 | 3.800 | 36.380 | 32 | 1.625 | 42.750 | 0.510 | 355.0 | 160 |
| 36” | 17 | 46.000 | 3.000 | 36.380 | 32 | 1.625 | 42.750 | 0.500 | 230.0 | 100 |
| 36” | 32.5 | 46.000 | 2.350 | 36.380 | 32 | 1.625 | 42.750 | 0.310 | 167.0 | 50 |
| 40” | 19 | 50.750 | 3.450 | 39.750 | 36 | 1.625 | 47.250 | 0.500 | 342.0 | 89 |
| 42” | 11 | 53.000 | 5.510 | 42.380 | 36 | 1.625 | 49.500 | 0.320 | 630.0 | 160 |
| 42” | 21 | 53.000 | 3.250 | 42.380 | 36 | 1.625 | 49.500 | 0.500 | 330.0 | 80 |
| 42” | 39 | 53.000 | 2.420 | 42.380 | 36 | 1.625 | 49.500 | 0.310 | 223.0 | 40 |
| 48” | 11 | 59.500 | 5.600 | 48.500 | 44 | 1.625 | 56.000 | 0.520 | 805.0 | 160 |
| 48” | 26 | 59.500 | 3.500 | 48.500 | 44 | 1.625 | 56.000 | 0.500 | 405.0 | 64 |
| 48” | 52 | 59.500 | 2.450 | 48.500 | 44 | 1.625 | 56.000 | 0.250 | 291.0 | 30 |
| 54” | 26 | 66.250 | 3.860 | 54.620 | 44 | 1.875 | 62.750 | 0.500 | 513.0 | 64 |
| 54” | 52 | 66.250 | 2.800 | 64.020 | 44 | 1.875 | 62.750 | 0.190 | 365.0 | 30 |
| 63” | 21 | 73.000 | 4.100 | 64.020 | 52 | 1.875 | 62.750 | 0.320 | 600.0 | 80 |