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) |
---|---|---|---|---|---|---|
888-353 | 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 |
888-429 | 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 |
888-251 | 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 |
888-354 | 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 |
888-430 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 5 1/8 | Nominal O.D. (inches) N/A 5 5/8 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 5.176 | O.D. (Inches) N/A 5.648 |
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 |
888-252 | 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 |
888-355 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 5 1/4 | Nominal O.D. (inches) N/A 5 5/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 5.278 | O.D. (Inches) N/A 5.644 |
888-431 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 5 1/4 | Nominal O.D. (inches) N/A 5 3/4 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 5.301 | O.D. (Inches) N/A 5.773 |
888-253 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 5 3/8 | Nominal O.D. (inches) N/A 5 5/8 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 5.393 | O.D. (Inches) N/A 5.629 |
888-356 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 5 3/8 | Nominal O.D. (inches) N/A 5 3/4 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 5.403 | O.D. (Inches) N/A 5.769 |
888-432 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 5 3/8 | Nominal O.D. (inches) N/A 5 7/8 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 5.426 | O.D. (Inches) N/A 5.898 |
888-161 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 5 1/2 | Nominal O.D. (inches) N/A 5 11/16 | Thickness (Inches) N/A .053 | I.D. (inches) N/A 5.518 | O.D. (Inches) N/A 5.690 |
888-254 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 5 1/2 | Nominal O.D. (inches) N/A 5 3/4 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 5.518 | O.D. (Inches) N/A 5.754 |
888-357 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 5 1/2 | Nominal O.D. (inches) N/A 5 7/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 5.528 | O.D. (Inches) N/A 5.894 |
888-433 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 5 1/2 | Nominal O.D. (inches) N/A 6 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 5.551 | O.D. (Inches) N/A 6.023 |
888-255 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 5 5/8 | Nominal O.D. (inches) N/A 5 7/8 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 5.643 | O.D. (Inches) N/A 5.879 |
888-358 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 5 5/8 | Nominal O.D. (inches) N/A 6 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 5.653 | O.D. (Inches) N/A 6.019 |
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 |
888-434 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 5 5/8 | Nominal O.D. (inches) N/A 6 1/8 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 5.676 | O.D. (Inches) N/A 6.148 |
888-162 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 5 3/4 | Nominal O.D. (inches) N/A 5 15/16 | Thickness (Inches) N/A .053 | I.D. (inches) N/A 5.768 | O.D. (Inches) N/A 5.940 |
888-256 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 5 3/4 | Nominal O.D. (inches) N/A 6 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 5.768 | O.D. (Inches) N/A 6.004 |
888-359 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 5 3/4 | Nominal O.D. (inches) N/A 6 1/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 5.778 | O.D. (Inches) N/A 6.144 |
888-435 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 5 3/4 | Nominal O.D. (inches) N/A 6 1/4 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 5.801 | O.D. (Inches) N/A 6.273 |
888-257 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 5 7/8 | Nominal O.D. (inches) N/A 6 1/8 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 5.893 | O.D. (Inches) N/A 6.129 |