HOT BOLTING HOW IT WORKS? HOW MUCH DO YOU KNOW? HOT TORQUING, LIVE BOLTING, SINGLE STUD REPLACEMENT

HOT BOLTING, Hot Torquing, Live Tightening, Single Stud Replacement, Live Bolting,

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What is Hot Bolting?
Hot Bolting is the sequential removal, cleaning and replacement of bolts in a flanged joint, while the system is pressurised. So, based on the definition itself, you can understand that hot bolting is considered a high-risk activity.
There is some confusion surrounding the phrase as there are several similar and related terms that are commonly (sometimes incorrectly) used. These include hot torquing, live tightening, single bolt replacement, live bolting, and retorquing.

Hot bolting is a term used to describe the technique of re-tightening or replacing flange connection bolts when a pipe is live – (full of liquid or gas).
There is some confusion around the phrase as there are several similar and related terms often used (sometimes incorrectly). These include hot torquing, live tightening, single stud replacement, live bolting, and retorquing.
While hot bolting is the more commonly used term, this can be misleading as the procedure is not always carried out at a hot temperature. Furthermore, each of the other terms mentioned above can relate to a different process – with a distinct purpose and individual risks.
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