Installation of flanged joints

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

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 guide do not constitute an express or implied warranty.