USING DEVRIES INTERNATIONAL'S PART NUMBERING SYSTEM


deVries Internationalís part-numbering system lists all characteristics of a seal: shaft size, bore size, seal width, seal design, outside diameter treatment, elastomer, case, and spring materials. Here is how the numbering system works:

Shaft size. Shaft size is indicated in the first four digits of the part number, to three decimal places. If the shaft is greater than 10 inches, then five digits will be used.

Bore size. The size of the bore in which the seal is to be placed is indicated in the second four digits of the part number, to three decimal places. If the bore is greater than 10 inches, then five digits will be used.

Seal width. Seal width is listed next, separated from the preceding numbers by a dash. Width is indicated by three or four digits, which describe the seal to three decimal places.

Seal design. Design code follows width. See the section on Design Selection for these code listings.

Outside diameter treatment. OD treatment is indicated according to this chart and is preceded by a dash:

Outside Diameter Treatment

Elastomeric material used in the seal is indicated below:

Elastomeric Material

EXAMPLES


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