Tighten bolts in a star or criss-cross sequence to ensure even pressure distribution around the flange. Always start with a bolt and move across the bolt circle to tighten the next bolt. …

On many gasketed joints and on solid, non-gasketed joints that are critical, a multiple pass tightening sequence is often used. With such a sequence, each bolt is tightened more than …

Jan 27, 2021 · Along the way, we’ll offer guidance about which methods are best for achieving desired final torque values with minimum bolt scatter, and ensuring your gasket isn’t damaged …

Master three essential bolt tightening sequences - star pattern, modified star, and quadrant pattern - to ensure leak-free flange connections. Learn proper torque progression based on …

Flange Bolt Torque Sequence Flange joints require proper tightening to avoid leakage. The flange bolt tightening sequence, or torque sequence, is defined in the torque tightening procedure.

Oct 17, 2025 · Master bolt torque patterns and tightening sequences to prevent leaks and ensure safe, reliable flange and piping connections in industrial systems.

Dec 15, 2023 · The sequence in which bolts are tightened plays a key role in achieving the desired preload or clamping force in the joint. We provide an overview of bolt tightening …

With such joints, consideration should be given to specifying the sequence in which the bolts are to tighten. Because the joint surfaces compress, tightening one bolt in the vicinity of another …

Oct 14, 2024 · Learn how to accurately calculate flange bolt torque values and follow the proper tightening sequence to ensure safe and reliable piping connections.

Step 1 – Liberally lubricate all load bearing surfaces including threads and flat washers. Then install and finger tighten all fasteners. Number the bolts/flange according to the Bolt Torque …