March 2019

Valves, Pumps and Turbomachinery

Cut costs and save time servicing valves during refinery turnarounds

Most refineries perform turnaround activities every 3 yr–5 yr to maintain and upgrade plant assets and equipment.

Dalal, N., Emerson Automation Solutions

Most refineries perform turnaround activities every 3 yr–5 yr to maintain and upgrade plant assets and equipment. How the timeline is planned, and how the scope is defined and executed, varies from refinery to refinery. Minimizing the amount of time and expertise needed is always critical to the success of the turnaround to meet budgetary constraints and deadlines. Each day a process unit is down for a turnaround, the refinery is not making profits, and the cost increases. FIG. 1. A refinery may have hundreds or thousands of valves that are serviced, repaired or replaced during a turnaround. A 460,000-bpd Gulf Coast refinery determined that it

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