November 2020

Valves, Pumps and Turbomachinery

Advances in compressor anti-surge valve design enhance reliability and performance

Centrifugal and axial compressors are some of the most critical components used within a process plant to handle gases.

Haines, B., Nelson, M. P., Flowserve Corp.

Centrifugal and axial compressors are some of the most critical components used within a process plant to handle gases. These machines impart energy to the process fluid, helping create optimum process conditions while also allowing the transfer of fluid. They typically comprise a major portion of the equipment cost on a project and generally do not have spare or standby equipment. Proper operation of these machines is imperative to ensure that the entire plant runs safely and reliably. However, these compressors can be exposed to surge events, which tend to have adverse effects on a compressor’s lifetime productivity. In some cases, the surge event can also be disastrous to the compressor,

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