Mechanical isolation by adequate valving, makes plant operation safe and ease during maintenance

Saxena, S. K.
May 2008
Chemical Business;May2008, Vol. 22 Issue 5, p34
Trade Publication
The article focuses on the mechanical isolation of process and utilities systems in the valve industry. There is a need to review the piping and instrument diagram in detail during hazard and operability (Hazop) studies. The two kinds of isolation are general and positive. Particular focus is given to the applicability of both general and positive isolation to a variety of scenarios. Indications for the mechanical isolation of an equipment, unit, packages, and parallel trains are also provided.


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