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Valve Bolt Calculator

Bolt Calculation According to EN & ANSI Standards

Calculate the correct bolt diameter, quantity and length for wafer, lug, flanged valves and flanged strainers.

Important Note: Calculations are theoretical. The calculations are provided for informational purposes only. No responsibility is accepted for any incorrect results. Calculations are based on standard flange dimensions and provided for informational purposes only.

Calculation Parameters

Calculation Result

Bolt Diameter Waiting for selection
Bolt Quantity Waiting for selection
Bolt Length Waiting for selection

About the Calculation

  • EN 1092-1 standard operates with the PN system
  • ANSI / ASME B16.5 standard uses Class 150 / 300 system
  • Bolt diameter and quantity are taken from standard tables
  • Bolt length is calculated based on connection type