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) |
---|---|---|---|---|---|---|
888-404 | 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 |
888-405 | 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 |
888-409 | 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 |
888-413 | 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 |
888-415 | 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 |
888-417 | 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 |
888-421 | 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 |
888-422 | 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 |
888-423 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 4 1/4 | Nominal O.D. (inches) N/A 4 3/4 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 4.294 | O.D. (Inches) N/A 4.766 |
888-424 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 4 3/8 | Nominal O.D. (inches) N/A 4 7/8 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 4.419 | O.D. (Inches) N/A 4.891 |
888-427 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 4 3/4 | Nominal O.D. (inches) N/A 5 1/4 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 4.801 | O.D. (Inches) N/A 5.273 |
888-428 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 4 7/8 | Nominal O.D. (inches) N/A 5 3/8 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 4.926 | O.D. (Inches) N/A 5.398 |
888-425 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 4.5 | Nominal O.D. (inches) N/A 5 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 4.551 | O.D. (Inches) N/A 5.023 |
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 |
888-430 | 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 |
888-431 | 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 |
888-432 | 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 |
888-433 | 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 |
888-426 | 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 |
888-435 | 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 |
888-436 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 5 7/8 | Nominal O.D. (inches) N/A 6 3/8 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 5.926 | O.D. (Inches) N/A 6.398 |
888-437 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 6 | Nominal O.D. (inches) N/A 6 1/2 | Thickness (Inches) N/A .117 | I.D. (inches) N/A 6.051 | O.D. (Inches) N/A 6.523 |
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 |
888-439 | 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 |