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Calculator

Flange Dimensions Lookup

Fast ASME B16.5 flange dimensions for common sizes and classes.

Interactive visual

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Geometry updates as your offset and fitting values change.

Bolt-circle preview

Input Console

Tuned defaults are preloaded and results refresh automatically as you edit.

NPS *

Choose the option that matches your job setup.

Pressure Class *

Choose the option that matches your job setup.

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