Kurv-Baks
Product Catalog
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) |
---|---|---|---|---|---|---|
888-429 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 5 | Nominal O.D. (inches) N/A 5 1/2 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 5.051 | O.D. (Inches) N/A 5.523 |
888-354 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 5 1/8 | Nominal O.D. (inches) N/A 5 1/2 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 5.153 | O.D. (Inches) N/A 5.519 |
888-252 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 5 1/4 | Nominal O.D. (inches) N/A 5 1/2 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 5.268 | O.D. (Inches) N/A 5.504 |
888-428 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 4 7/8 | Nominal O.D. (inches) N/A 5 3/8 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 4.926 | O.D. (Inches) N/A 5.398 |
888-353 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 5 | Nominal O.D. (inches) N/A 5 3/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 5.028 | O.D. (Inches) N/A 5.394 |
888-251 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 5 1/8 | Nominal O.D. (inches) N/A 5 3/8 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 5.143 | O.D. (Inches) N/A 5.379 |
888-050 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 5 1/4 | Nominal O.D. (inches) N/A 5 3/8 | Thickness (Inches) N/A .049 | I.D. (inches) N/A 5.268 | O.D. (Inches) N/A 5.374 |
888-427 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 4 3/4 | Nominal O.D. (inches) N/A 5 1/4 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 4.801 | O.D. (Inches) N/A 5.273 |
888-352 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 4 7/8 | Nominal O.D. (inches) N/A 5 1/4 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 4.903 | O.D. (Inches) N/A 5.269 |
888-250 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 5 | Nominal O.D. (inches) N/A 5 1/4 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 5.018 | O.D. (Inches) N/A 5.254 |
888-159 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 5 | Nominal O.D. (inches) N/A 5 3/16 | Thickness (Inches) N/A .053 | I.D. (inches) N/A 5.018 | O.D. (Inches) N/A 5.190 |
888-426 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 5 5/8 | Nominal O.D. (inches) N/A 5 1/8 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 4.676 | O.D. (Inches) N/A 5.148 |
888-351 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 4 3/4 | Nominal O.D. (inches) N/A 5 1/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 4.778 | O.D. (Inches) N/A 5.144 |
888-249 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 4 7/8 | Nominal O.D. (inches) N/A 5 1/8 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 4.893 | O.D. (Inches) N/A 5.129 |
888-425 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 4.5 | Nominal O.D. (inches) N/A 5 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 4.551 | O.D. (Inches) N/A 5.023 |
888-350 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 4 5/8 | Nominal O.D. (inches) N/A 5 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 4.653 | O.D. (Inches) N/A 5.019 |
888-248 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 4 3/4 | Nominal O.D. (inches) N/A 5 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 4.768 | O.D. (Inches) N/A 5.004 |
888-158 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 4 3/4 | Nominal O.D. (inches) N/A 4 15/16 | Thickness (Inches) N/A .053 | I.D. (inches) N/A 4.768 | O.D. (Inches) N/A 4.940 |
888-424 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 4 3/8 | Nominal O.D. (inches) N/A 4 7/8 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 4.419 | O.D. (Inches) N/A 4.891 |
888-349 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 4.5 | Nominal O.D. (inches) N/A 4 7/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 4.528 | O.D. (Inches) N/A 4.894 |
888-247 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 4 5/8 | Nominal O.D. (inches) N/A 4 7/8 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 4.631 | O.D. (Inches) N/A 4.867 |
888-423 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 4 1/4 | Nominal O.D. (inches) N/A 4 3/4 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 4.294 | O.D. (Inches) N/A 4.766 |
888-348 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 4 3/8 | Nominal O.D. (inches) N/A 4 3/4 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 4.403 | O.D. (Inches) N/A 4.769 |
888-246 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 4.5 | Nominal O.D. (inches) N/A 4 3/4 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 4.506 | O.D. (Inches) N/A 4.742 |
888-157 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 4.5 | Nominal O.D. (inches) N/A 4 11/16 | Thickness (Inches) N/A .053 | I.D. (inches) N/A 4.518 | O.D. (Inches) N/A 4.690 |