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)

888-030 N/A 1/16 N/A 1 5/8 N/A 1 3/4 N/A .049 N/A 1.643 N/A 1.749
888-031 N/A 1/16 N/A 1 3/4 N/A 1 7/8 N/A .049 N/A 1.768 N/A 1.874
888-032 N/A 1/16 N/A 1 7/8 N/A 2 N/A .049 N/A 1.893 N/A 1.999
888-033 N/A 1/16 N/A 2 N/A 2 1/8 N/A .049 N/A 2.018 N/A 2.124
888-034 N/A 1/16 N/A 2 1/8 N/A 2 1/4 N/A .049 N/A 2.143 N/A 2.249
888-035 N/A 1/16 N/A 2 1/4 N/A 2 3/8 N/A .049 N/A 2.268 N/A 2.374
888-036 N/A 1/16 N/A 2 3/8 N/A 2 1/2 N/A .049 N/A 2.393 N/A 2.499
888-037 N/A 1/16 N/A 2 1/2 N/A 2 5/8 N/A .049 N/A 2.518 N/A 2.624
888-038 N/A 1/16 N/A 2 5/8 N/A 2 3/4 N/A .049 N/A 2.643 N/A 2.749
888-039 N/A 1/16 N/A 2 3/4 N/A 2 7/8 N/A .049 N/A 2.768 N/A 2.874
888-040 N/A 1/16 N/A 2 7/8 N/A 3 N/A .049 N/A 2.893 N/A 2.999
888-041 N/A 1/16 N/A 3 N/A 3 1/8 N/A .049 N/A 3.018 N/A 3.124
888-042 N/A 1/16 N/A 3 1/4 N/A 3 3/8 N/A .049 N/A 3.268 N/A 3.374
888-047 N/A 1/16 N/A 4.5 N/A 4 5/8 N/A .049 N/A 4.518 N/A 4.624
888-050 N/A 1/16 N/A 5 1/4 N/A 5 3/8 N/A .049 N/A 5.268 N/A 5.374
888-125 N/A 3/32 N/A N/A 1 1/2 N/A .053 N/A 1.331 N/A 1.503
888-137 N/A 3/32 N/A N/A 2 1/4 N/A .053 N/A 2.081 N/A 2.253
888-141 N/A 3/32 N/A N/A 2 1/2 N/A .053 N/A 2.331 N/A 2.503
888-103 N/A 3/32 N/A 3/32 N/A 9/32 N/A .053 N/A 0.109 N/A .281
888-104 N/A 3/32 N/A 1/8 N/A 5/16 N/A .053 N/A 0.140 N/A .312
888-106 N/A 3/32 N/A 3/16 N/A 3/8 N/A .053 N/A 0.202 N/A .374
888-107 N/A 3/32 N/A 7/32 N/A 13/32 N/A .053 N/A 0.234 N/A .406
888-108 N/A 3/32 N/A 1/4 N/A 7/16 N/A .053 N/A 0.265 N/A .437
888-109 N/A 3/32 N/A 5/16 N/A 1/2 N/A .053 N/A 0.327 N/A .499
888-110 N/A 3/32 N/A 3/8 N/A 9/16 N/A .053 N/A 0.390 N/A .562
Unit of Measure
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