PAI Kurv-Bak™ hard rubber back-up rings can be made in a variety of materials to help prevent early seal failure at higher pressures.
Item # |
Nominal C/S (inches) |
Nominal I.D. (inches) |
Nominal O.D. (inches) |
Thickness (Inches) |
I.D. (inches) |
O.D. (Inches) |
|---|---|---|---|---|---|---|
| 888-005 | N/A 1/16 | N/A 7/64 | N/A 15/64 | N/A .049 | N/A .127 | N/A .233 |
| 888-006 | N/A 1/16 | N/A 1/8 | N/A 1/4 | N/A .049 | N/A .140 | N/A .246 |
| 888-007 | N/A 1/16 | N/A 5/32 | N/A 9/32 | N/A .049 | N/A .171 | N/A .277 |
| 888-008 | N/A 1/16 | N/A 3/16 | N/A 5/16 | N/A .049 | N/A .202 | N/A .308 |
| 888-009 | N/A 1/16 | N/A 7/32 | N/A 11/32 | N/A .049 | N/A .234 | N/A .340 |
| 888-010 | N/A 1/16 | N/A 1/4 | N/A 3/8 | N/A .049 | N/A .265 | N/A .371 |
| 888-011 | N/A 1/16 | N/A 5/16 | N/A 7/16 | N/A .049 | N/A .327 | N/A .433 |
| 888-012 | N/A 1/16 | N/A 3/8 | N/A 1/2 | N/A .049 | N/A .390 | N/A .496 |
| 888-013 | N/A 1/16 | N/A 7/16 | N/A 9/16 | N/A .049 | N/A .455 | N/A .561 |
| 888-014 | N/A 1/16 | N/A 1/2 | N/A 5/8 | N/A .049 | N/A .518 | N/A .624 |
| 888-015 | N/A 1/16 | N/A 9/16 | N/A 11/16 | N/A .049 | N/A .580 | N/A .686 |
| 888-016 | N/A 1/16 | N/A 5/8 | N/A 3/4 | N/A .049 | N/A .643 | N/A .749 |
| 888-017 | N/A 1/16 | N/A 11/16 | N/A 13/16 | N/A .049 | N/A .705 | N/A .811 |
| 888-018 | N/A 1/16 | N/A 3/4 | N/A 7/8 | N/A .049 | N/A .768 | N/A .874 |
| 888-019 | N/A 1/16 | N/A 13/16 | N/A 15/16 | N/A .049 | N/A .830 | N/A .936 |
| 888-020 | N/A 1/16 | N/A 7/8 | N/A 1 | N/A .049 | N/A .893 | N/A .999 |
| 888-021 | N/A 1/16 | N/A 15/16 | N/A 1 1/16 | N/A .049 | N/A .955 | N/A 1.061 |
| 888-022 | N/A 1/16 | N/A 1 | N/A 1 1/8 | N/A .049 | N/A 1.018 | N/A 1.124 |
| 888-023 | N/A 1/16 | N/A 1 1/16 | N/A 1 3/16 | N/A .049 | N/A 1.080 | N/A 1.186 |
| 888-024 | N/A 1/16 | N/A 1 1/8 | N/A 1 1/4 | N/A .049 | N/A 1.143 | N/A 1.249 |
| 888-025 | N/A 1/16 | N/A 1 3/16 | N/A 1 5/16 | N/A .049 | N/A 1.205 | N/A 1.311 |
| 888-026 | N/A 1/16 | N/A 1 1/4 | N/A 1 3/8 | N/A .049 | N/A 1.268 | N/A 1.374 |
| 888-027 | N/A 1/16 | N/A 1 5/16 | N/A 1 7/16 | N/A .049 | N/A 1.330 | N/A 1.436 |
| 888-028 | N/A 1/16 | N/A 1 3/8 | N/A 1 1/2 | N/A .049 | N/A 1.393 | N/A 1.499 |
| 888-029 | N/A 1/16 | N/A 1 1/2 | N/A 1 5/8 | N/A .049 | N/A 1.518 | N/A 1.624 |
