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)

888-274 N/A 1/8 N/A 10 N/A 10 1/2 N/A .050 N/A 10.018 N/A 10.254
888-275 N/A 1/8 N/A 10 1/2 N/A 10 3/4 N/A .050 N/A 10.518 N/A 10.754
888-276 N/A 1/8 N/A 11 N/A 11 1/4 N/A .050 N/A 11.018 N/A 11.254
888-278 N/A 1/8 N/A 12 N/A 12 1/4 N/A .050 N/A 12.018 N/A 12.254
888-279 N/A 1/8 N/A 13 N/A 13 1/4 N/A .050 N/A 13.018 N/A 13.254
888-281 N/A 1/8 N/A 15 N/A 15 1/4 N/A .050 N/A 15.018 N/A 15.254
888-310 N/A 3/16 N/A 1/2 N/A 7/8 N/A .076 N/A .513 N/A .879
888-312 N/A 3/16 N/A 5/8 N/A 1 N/A .076 N/A 0.638 N/A 1.004
888-314 N/A 3/16 N/A 3/4 N/A 1 1/8 N/A .076 N/A .763 N/A 1.129
888-315 N/A 3/16 N/A 13/16 N/A 1 3/16 N/A .076 N/A 0.825 N/A 1.191
888-316 N/A 3/16 N/A 7/8 N/A 1 1/4 N/A .076 N/A 0.888 N/A 1.254
888-317 N/A 3/16 N/A 15/16 N/A 1 5/16 N/A .076 N/A 0.950 N/A 1.316
888-318 N/A 3/16 N/A 1 N/A 1 3/8 N/A .076 N/A 1.013 N/A 1.379
888-320 N/A 3/16 N/A 1 1/8 N/A 1 1/2 N/A .076 N/A 1.138 N/A 1.504
888-321 N/A 3/16 N/A 1 3/16 N/A 1 9/16 N/A .076 N/A 1.200 N/A 1.566
888-322 N/A 3/16 N/A 1 1/4 N/A 1 5/8 N/A .076 N/A 1.263 N/A 1.629
888-323 N/A 3/16 N/A 1 5/16 N/A 1 11/16 N/A .076 N/A 1.316 N/A 1.682
888-324 N/A 3/16 N/A 1 3/8 N/A 1 3/4 N/A .076 N/A 1.388 N/A 1.754
888-325 N/A 3/16 N/A 1 1/2 N/A 1 7/8 N/A .076 N/A 1.513 N/A 1.879
888-326 N/A 3/16 N/A 1 5/8 N/A 2 N/A .076 N/A 1.638 N/A 2.004
888-327 N/A 3/16 N/A 1 3/4 N/A 2 1/8 N/A .076 N/A 1.763 N/A 2.129
888-328 N/A 3/16 N/A 1 7/8 N/A 2 1/4 N/A .076 N/A 1.888 N/A 2.254
888-329 N/A 3/16 N/A 2 N/A 2 3/8 N/A .050 N/A 2.013 N/A 2.379
888-330 N/A 3/16 N/A 2 1/8 N/A 2 1/2 N/A .076 N/A 2.138 N/A 2.504
888-331 N/A 3/16 N/A 2 1/4 N/A 2 5/8 N/A .076 N/A 2.268 N/A 2.634
Unit of Measure
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