Precision Associates, Inc.
Precision Associates, Inc.
3800 North Washington Ave.
Minneapolis, MN 55412-2142
Toll Free: 1-800-394-6590
Local: +1 612-333-7464
Sales: +1 612-334-9190
Fax: 612-342-2417
Email: [email protected]
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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.
Kurv-Baks
Unit of Measure
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Item #

Nominal C/S (inches)

Nominal I.D. (inches)

Nominal O.D. (inches)

Thickness (Inches)

I.D. (inches)

O.D. (Inches)

888-440 N/A 1/4 N/A 6 3/4 N/A 7 1/4 N/A .117 N/A 6.774 N/A 7.246
888-441 N/A 1/4 N/A 7 N/A 7 1/2 N/A .117 N/A 7.024 N/A 7.496
888-442 N/A 1/4 N/A 7 1/4 N/A 7 3/4 N/A .117 N/A 7.274 N/A 7.746
888-443 N/A 1/4 N/A 7 1/2 N/A 8 N/A .117 N/A 7.524 N/A 7.996
888-444 N/A 1/4 N/A 7 3/4 N/A 8 1/4 N/A .117 N/A 7.774 N/A 8.246
888-445 N/A 1/4 N/A 8 N/A 8 1/2 N/A .117 N/A 8.024 N/A 8.496
888-446 N/A 1/4 N/A 8 1/2 N/A 9 N/A .117 N/A 8.524 N/A 8.996
888-447 N/A 1/4 N/A 9 N/A 9 1/2 N/A .117 N/A 9.024 N/A 9.496
888-448 N/A 1/4 N/A 9 1/2 N/A 10 N/A .117 N/A 9.524 N/A 9.996
888-449 N/A 1/4 N/A 10 N/A 10 1/2 N/A .117 N/A 10.024 N/A 10.496
888-450 N/A 1/4 N/A 10 1/2 N/A 11 N/A .117 N/A 10.524 N/A 10.996
888-451 N/A 1/4 N/A 11 N/A 11 1/2 N/A .117 N/A 11.024 N/A 11.496
888-452 N/A 1/4 N/A 11 1/2 N/A 12 N/A .117 N/A 11.524 N/A 11.996
888-453 N/A 1/4 N/A 12 N/A 12 1/2 N/A .117 N/A 12.024 N/A 12.496
888-454 N/A 1/4 N/A 12 1/2 N/A 13 N/A .117 N/A 12.524 N/A 12.996
888-455 N/A 1/4 N/A 13 N/A 13 1/2 N/A .117 N/A 13.024 N/A 13.496
888-456 N/A 1/4 N/A 13 1/2 N/A 14 N/A .117 N/A 13.524 N/A 13.996
888-457 N/A 1/4 N/A 14 N/A 14 1/2 N/A .117 N/A 14.024 N/A 14.496
888-458 N/A 1/4 N/A 14 1/2 N/A 15 N/A .117 N/A 14.524 N/A 14.996
888-459 N/A 1/4 N/A 15 N/A 15 1/2 N/A .117 N/A 15.024 N/A 15.496
888-460 N/A 1/4 N/A 15 1/2 N/A 16 N/A .117 N/A 15.524 N/A 15.996
888-461 N/A 1/4 N/A 16 N/A 16 1/2 N/A .117 N/A 16.004 N/A 16.476
888-462 N/A 1/4 N/A 16 1/2 N/A 17 N/A .117 N/A 16.504 N/A 16.976
888-463 N/A 1/4 N/A 17 N/A 17 1/2 N/A .117 N/A 17.004 N/A 17.476
888-464 N/A 1/4 N/A 17 1/2 N/A 18 N/A .117 N/A 17.504 N/A 17.976
Unit of Measure
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