Installation of flange connections

This calculator provides the tightening torque and minimum bolt length to correctly install flanges.

Material

External diameter (mm)

Suggested tightening torque for backing ring (Nm)

Suggested tightening torque for blind backing ring (Nm)

Suggested bolts dimensions for buttefly valve

SDR of stub end

Suggested bolts dimensions for backing ring

The data and information contained in this manual do not constitute a guarantee, express or implied.