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) |
---|---|---|---|---|---|---|
888-369 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 8 | Nominal O.D. (inches) N/A 8 3/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 8.028 | O.D. (Inches) N/A 8.394 |
888-266 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 8 | Nominal O.D. (inches) N/A 8 1/4 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 8.018 | O.D. (Inches) N/A 8.254 |
888-368 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 7 3/4 | Nominal O.D. (inches) N/A 8 1/8 | Thickness (Inches) N/A .053 | I.D. (inches) N/A 7.778 | O.D. (Inches) N/A 8.144 |
888-363 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 7 3/4 | Nominal O.D. (inches) N/A 8 1/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 6.528 | O.D. (Inches) N/A 6.894 |
888-444 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 7 3/4 | Nominal O.D. (inches) N/A 8 1/4 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 7.774 | O.D. (Inches) N/A 8.246 |
888-265 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 7 3/4 | Nominal O.D. (inches) N/A 8 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 7.768 | O.D. (Inches) N/A 8.004 |
888-443 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 7 1/2 | Nominal O.D. (inches) N/A 8 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 7.524 | O.D. (Inches) N/A 7.996 |
888-367 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 7 1/2 | Nominal O.D. (inches) N/A 7 7/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 7.528 | O.D. (Inches) N/A 7.894 |
888-264 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 7 1/2 | Nominal O.D. (inches) N/A 7 3/4 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 7.518 | O.D. (Inches) N/A 7.754 |
888-442 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 7 1/4 | Nominal O.D. (inches) N/A 7 3/4 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 7.274 | O.D. (Inches) N/A 7.746 |
888-263 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 7 1/4 | Nominal O.D. (inches) N/A 7 1/2 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 7.268 | O.D. (Inches) N/A 7.504 |
888-168 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 7 1/4 | Nominal O.D. (inches) N/A 7 7/16 | Thickness (Inches) N/A .053 | I.D. (inches) N/A 7.268 | O.D. (Inches) N/A 7.440 |
888-441 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 7 | Nominal O.D. (inches) N/A 7 1/2 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 7.024 | O.D. (Inches) N/A 7.496 |
888-365 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 7 | Nominal O.D. (inches) N/A 7 3/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 7.028 | O.D. (Inches) N/A 7.394 |
888-262 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 7 | Nominal O.D. (inches) N/A 7 1/4 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 7.018 | O.D. (Inches) N/A 7.254 |
888-167 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 7 | Nominal O.D. (inches) N/A 7 3/16 | Thickness (Inches) N/A .053 | I.D. (inches) N/A 7.018 | O.D. (Inches) N/A 7.190 |
888-440 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 6 3/4 | Nominal O.D. (inches) N/A 7 1/4 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 6.774 | O.D. (Inches) N/A 7.246 |
888-364 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 6 3/4 | Nominal O.D. (inches) N/A 7 1/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 6.778 | O.D. (Inches) N/A 7.144 |
888-261 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 6 3/4 | Nominal O.D. (inches) N/A 7 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 6.768 | O.D. (Inches) N/A 7.004 |
888-166 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 6 3/4 | Nominal O.D. (inches) N/A 6 15/16 | Thickness (Inches) N/A .053 | I.D. (inches) N/A 6.768 | O.D. (Inches) N/A 6.940 |
888-439 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 6 1/2 | Nominal O.D. (inches) N/A 7 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 6.524 | O.D. (Inches) N/A 6.996 |
888-260 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 6 1/2 | Nominal O.D. (inches) N/A 6 3/4 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 6.518 | O.D. (Inches) N/A 6.754 |
888-438 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 6 1/4 | Nominal O.D. (inches) N/A 6 3/4 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 6.274 | O.D. (Inches) N/A 6.746 |
888-362 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 6 1/4 | Nominal O.D. (inches) N/A 6 5/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 6.278 | O.D. (Inches) N/A 6.644 |
888-259 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 6 1/4 | Nominal O.D. (inches) N/A 6 1/2 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 6.268 | O.D. (Inches) N/A 6.504 |