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) |
---|---|---|---|---|---|---|
888-337 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 3 | Nominal O.D. (inches) N/A 3 3/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 3.018 | O.D. (Inches) N/A 3.384 |
888-336 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 2 7/8 | Nominal O.D. (inches) N/A 3 1/4 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 2.893 | O.D. (Inches) N/A 3.259 |
888-335 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 2 3/4 | Nominal O.D. (inches) N/A 3 1/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 2.768 | O.D. (Inches) N/A 3.134 |
888-334 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 2 5/8 | Nominal O.D. (inches) N/A 3 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 2.643 | O.D. (Inches) N/A 3.009 |
888-333 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 2 1/2 | Nominal O.D. (inches) N/A 2 7/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 2.518 | O.D. (Inches) N/A 2.884 |
888-332 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 2 3/8 | Nominal O.D. (inches) N/A 2 3/4 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 2.393 | O.D. (Inches) N/A 2.759 |
888-331 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 2 1/4 | Nominal O.D. (inches) N/A 2 5/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 2.268 | O.D. (Inches) N/A 2.634 |
888-330 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 2 1/8 | Nominal O.D. (inches) N/A 2 1/2 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 2.138 | O.D. (Inches) N/A 2.504 |
888-328 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 1 7/8 | Nominal O.D. (inches) N/A 2 1/4 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 1.888 | O.D. (Inches) N/A 2.254 |
888-327 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 1 3/4 | Nominal O.D. (inches) N/A 2 1/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 1.763 | O.D. (Inches) N/A 2.129 |
888-326 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 1 5/8 | Nominal O.D. (inches) N/A 2 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 1.638 | O.D. (Inches) N/A 2.004 |
888-325 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 1 1/2 | Nominal O.D. (inches) N/A 1 7/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 1.513 | O.D. (Inches) N/A 1.879 |
888-324 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 1 3/8 | Nominal O.D. (inches) N/A 1 3/4 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 1.388 | O.D. (Inches) N/A 1.754 |
888-323 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 1 5/16 | Nominal O.D. (inches) N/A 1 11/16 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 1.316 | O.D. (Inches) N/A 1.682 |
888-322 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 1 1/4 | Nominal O.D. (inches) N/A 1 5/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 1.263 | O.D. (Inches) N/A 1.629 |
888-321 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 1 3/16 | Nominal O.D. (inches) N/A 1 9/16 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 1.200 | O.D. (Inches) N/A 1.566 |
888-320 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 1 1/8 | Nominal O.D. (inches) N/A 1 1/2 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 1.138 | O.D. (Inches) N/A 1.504 |
888-318 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 1 | Nominal O.D. (inches) N/A 1 3/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 1.013 | O.D. (Inches) N/A 1.379 |
888-317 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 15/16 | Nominal O.D. (inches) N/A 1 5/16 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 0.950 | O.D. (Inches) N/A 1.316 |
888-316 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 7/8 | Nominal O.D. (inches) N/A 1 1/4 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 0.888 | O.D. (Inches) N/A 1.254 |
888-315 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 13/16 | Nominal O.D. (inches) N/A 1 3/16 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 0.825 | O.D. (Inches) N/A 1.191 |
888-314 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 3/4 | Nominal O.D. (inches) N/A 1 1/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A .763 | O.D. (Inches) N/A 1.129 |
888-312 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 5/8 | Nominal O.D. (inches) N/A 1 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 0.638 | O.D. (Inches) N/A 1.004 |
888-310 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 1/2 | Nominal O.D. (inches) N/A 7/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A .513 | O.D. (Inches) N/A .879 |
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 |