Engineering Tools

Interactive Calculators and Lookup Tools

Use these interactive tools to quickly look up flange, bolt, and piping data for field and engineering office use.

Flange Weight Calculator

Look up approximate weights for ASME B16.5 pipe flanges by nominal pipe size, pressure class, and flange type.

Bolt Pattern Lookup

Find bolt circle diameter, bolt hole count, and bolt hole size for standard ASME B16.5 flange connections.