2013 12 Kernberger SBN Bolting of HP equipment Part 3

When we in 1986 started with the manufacturing of High Pressure (HP) Urea equipment we had to build the equipment in accordance with the Licensor’s or enduser’s specifications. One of the items that were strictly specified was the design of the man way covers.

Over the years we gained not only a lot of experience with the gaskets for man way covers but also with bolting down these gaskets. In these technical papers we share our experience of some forty years with you.

This paper is a continuation of Part 1 & Part 2 of the bolting paper.

In Part 1 we have learned that bolting HP Equipment is a delicate process and that many things can go wrong, with large consequences.

In Part 2 background information was given about relaxation and faulty bolt tensioning.

In this part we elaborate how to avoid transmission losses when tightening.



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