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) |
---|---|---|---|---|---|---|
888-421 | 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 |
888-417 | 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 |
888-415 | 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 |
888-413 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 3 | Nominal O.D. (inches) N/A 3 1/2 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 3.034 | O.D. (Inches) N/A 3.506 |
888-409 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 2 1/2 | Nominal O.D. (inches) N/A 3 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 2.534 | O.D. (Inches) N/A 3.006 |
888-405 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 2 | Nominal O.D. (inches) N/A 2 1/2 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 2.034 | O.D. (Inches) N/A 2.506 |
888-404 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 1 7/8 | Nominal O.D. (inches) N/A 2 3/8 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 1.909 | O.D. (Inches) N/A 2.381 |
888-403 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 1 3/4 | Nominal O.D. (inches) N/A 2 1/4 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 1.784 | O.D. (Inches) N/A 2.256 |
888-402 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 1 5/8 | Nominal O.D. (inches) N/A 2 1/8 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 1.659 | O.D. (Inches) N/A 2.131 |
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 |
888-392 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 23 | Nominal O.D. (inches) N/A 23 3/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 22.993 | O.D. (Inches) N/A 23.359 |
888-385 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 16 | Nominal O.D. (inches) N/A 16 3/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 16.008 | O.D. (Inches) N/A 16.374 |
888-384 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 15 | Nominal O.D. (inches) N/A 15 3/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 15.028 | O.D. (Inches) N/A 15.394 |
888-383 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 14 | Nominal O.D. (inches) N/A 14 3/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 13.975 | O.D. (Inches) N/A 14.341 |
888-382 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 13 | Nominal O.D. (inches) N/A 13 3/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 13.028 | O.D. (Inches) N/A 13.394 |
888-380 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 11 1/2 | Nominal O.D. (inches) N/A 11 7/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 11.528 | O.D. (Inches) N/A 11.894 |
888-379 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 11 | Nominal O.D. (inches) N/A 11 3/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 11.028 | O.D. (Inches) N/A 11.394 |
888-374 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 9 1/4 | Nominal O.D. (inches) N/A 9 5/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 9.278 | O.D. (Inches) N/A 9.644 |
888-372 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 8 3/4 | Nominal O.D. (inches) N/A 9 1/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 8.778 | O.D. (Inches) N/A 9.145 |
888-371 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 8 1/2 | Nominal O.D. (inches) N/A 8 7/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 8.528 | O.D. (Inches) N/A 8.894 |
888-370 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 8 1/4 | Nominal O.D. (inches) N/A 8 5/8 | Thickness (Inches) N/A .076 | I.D. (inches) N/A 8.278 | O.D. (Inches) N/A 8.644 |
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 |
888-367 | 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 |
888-365 | 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 |
888-364 | 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 |