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) |
---|---|---|---|---|---|---|
888-422 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 4 1/8 | Nominal O.D. (inches) N/A 4 5/8 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 4.169 | O.D. (Inches) N/A 4.641 |
888-347 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 4 1/4 | Nominal O.D. (inches) N/A 4 5/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 4.278 | O.D. (Inches) N/A 4.644 |
888-245 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 4 3/8 | Nominal O.D. (inches) N/A 4 5/8 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 4.381 | O.D. (Inches) N/A 4.617 |
888-047 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 4.5 | Nominal O.D. (inches) N/A 4 5/8 | Thickness (Inches) N/A .049 | I.D. (inches) N/A 4.518 | O.D. (Inches) N/A 4.624 |
888-421 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 4 | Nominal O.D. (inches) N/A 4 1/2 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 4.044 | O.D. (Inches) N/A 4.516 |
888-346 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 4 1/8 | Nominal O.D. (inches) N/A 4 1/2 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 4.153 | O.D. (Inches) N/A 4.519 |
888-244 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 4 1/4 | Nominal O.D. (inches) N/A 4 1/2 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 4.256 | O.D. (Inches) N/A 4.492 |
888-156 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 4 1/4 | Nominal O.D. (inches) N/A 4 7/16 | Thickness (Inches) N/A .053 | I.D. (inches) N/A 4.268 | O.D. (Inches) N/A 4.440 |
888-345 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 4 | Nominal O.D. (inches) N/A 4 3/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 4.028 | O.D. (Inches) N/A 4.394 |
888-243 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 4 1/8 | Nominal O.D. (inches) N/A 4 3/8 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 4.131 | O.D. (Inches) N/A 4.367 |
888-344 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 3 7/8 | Nominal O.D. (inches) N/A 4 1/4 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 3.898 | O.D. (Inches) N/A 4.264 |
888-242 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 4 | Nominal O.D. (inches) N/A 4 1/4 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 4.006 | O.D. (Inches) N/A 4.242 |
888-155 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 4 | Nominal O.D. (inches) N/A 4 3/16 | Thickness (Inches) N/A .053 | I.D. (inches) N/A 4.018 | O.D. (Inches) N/A 4.190 |
888-343 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 3 3/4 | Nominal O.D. (inches) N/A 4 1/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 3.773 | O.D. (Inches) N/A 4.139 |
888-241 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 3 7/8 | Nominal O.D. (inches) N/A 4 1/8 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 3.881 | O.D. (Inches) N/A 4.117 |
888-417 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 3 1/2 | Nominal O.D. (inches) N/A 4 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 3.544 | O.D. (Inches) N/A 4.016 |
888-342 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 3 5/8 | Nominal O.D. (inches) N/A 4 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 3.648 | O.D. (Inches) N/A 4.014 |
888-240 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 3 3/4 | Nominal O.D. (inches) N/A 4 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 3.756 | O.D. (Inches) N/A 3.992 |
888-154 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 3 3/4 | Nominal O.D. (inches) N/A 3 15/16 | Thickness (Inches) N/A .053 | I.D. (inches) N/A 3.768 | O.D. (Inches) N/A 3.940 |
888-341 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 3 1/2 | Nominal O.D. (inches) N/A 3 7/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 3.523 | O.D. (Inches) N/A 3.889 |
888-239 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 3 5/8 | Nominal O.D. (inches) N/A 3 7/8 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 3.631 | O.D. (Inches) N/A 3.867 |
888-415 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 3 1/4 | Nominal O.D. (inches) N/A 3 3/4 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 3.294 | O.D. (Inches) N/A 3.766 |
888-340 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 3 3/8 | Nominal O.D. (inches) N/A 3 3/4 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 3.398 | O.D. (Inches) N/A 3.764 |
888-238 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 3 1/2 | Nominal O.D. (inches) N/A 3 3/4 | Thickness (Inches) N/A .050 | I.D. (inches) N/A 3.506 | O.D. (Inches) N/A 3.742 |
888-153 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 3 1/2 | Nominal O.D. (inches) N/A 3 11/16 | Thickness (Inches) N/A .053 | I.D. (inches) N/A 3.518 | O.D. (Inches) N/A 3.690 |