FlangeUp® Calculator

Complete the flange joint data below to calculate a free preliminary result. You can optionally continue to order an engineer-reviewed Calculation Report.

Select the nominal pressure class. Final pressure suitability is verified during review.

Select the material or closest available equivalent. Add details in the notes if needed.

Only bolt/stud materials valid for the selected standard, size and bolt diameter are shown.

Optional. Leave as not applicable unless a spacer, spade, blind or similar item is included.

Select the pipe schedule if known. If unknown, leave the default value or mention it in the notes.

Calculator input

The selected lubricant determines the friction coefficient µ or K-factor used for the tightening calculation.

Final pressure suitability will be verified during the calculation review.

Use 0 if no external pressure or vacuum condition applies.

Enter the operating or design temperature used for the requested review.

Reference

Optional. This reference will appear in your cart and order confirmation.

Use this field for project-specific requirements, assumptions or deviations.

Calculating the preliminary result may take a few seconds.