Flange Weight Calculator

Look Up ASME B16.5 Flange Weights by Size, Class, and Type

Use this calculator to look up the approximate weight of ASME B16.5 pipe flanges. Select a nominal pipe size, pressure class, and flange type below to instantly retrieve the weight in pounds.

Weights shown are approximate and for reference only. Actual weights may vary by manufacturer. Always confirm with your supplier before making purchasing or engineering decisions.

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How to Use

Select a nominal pipe size (NPS), pressure class, and flange type from the dropdowns above. The calculator will display the corresponding flange weight in pounds. Weight data is sourced from manufacturer catalogs for ASME B16.5 forged steel flanges.

Related References

  • Flange Dimensions — ASME B16.5 flange dimension charts by size and class
  • Flange Types — Guide to weld neck, slip-on, blind, and other flange styles
  • Bolt Charts — Flange bolt sizing charts by NPS and pressure class