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Pressure Swing Adsorption
High-cycle applications such as pressure swing adsorption and molecular sieve adsorption are very abusive on control valves.

High-cycle applications such as pressure swing adsorption and molecular sieve adsorption are very abusive on control valves.

Pressure Swing Adsorption (PSA) inlet valves feed hydrogen and light hydrocarbon gas into the PSA unit. These valves are either wide open or fully closed, so throttling control is not important, but it is essential that the valves open and close reliably when required to do so. To ensure a steady supply of high purity hydrogen, the PSA process causes the valves to cycle every few minutes, and the pressure must be tightly controlled. 

Improve PSA unit reliability with field-proven valve durability.

Emerson offers a breadth of extensively tested and proven-reliable Fisher™ control valve assemblies to help extend the lifecycle of high-cycle applications and maintain purity. Fisher control valve assemblies are accepted by several of the world’s leading licensors for use in their high-cycle applications because they were validated through extensive lab testing and field trials. Choosing Fisher valves for these applications can help you avoid unplanned interruptions, extend the time between planned maintenance, and improve product purity.

Optimize PSA unit control and performance through proper selection of valves
Ensure reliable valve performance with quick stroking speed
Control pressure with proper valve seal selection tested for high cycle durability
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