API Flange Slide Rules
This Gas and oil industry standard is used to identify flange dimensions by selecting the nominal flange size. It is the preferred reference tool in the field for it's fast, accurate access to sizing questions.
Each order is custom manufactured to allow for greater personalization of colors and data.

Available in English and/or Metric measurements.
Sizes: Available in a variety of sizes
Material: Heavyweight calculator board, eyeletted construction
Finish: Standard varnish or plastic film laminate
Minimum Order Quantity: 500
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