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Control Valves
Maintaining accurate flow control ensures your process is running at peak performance.

Maintaining accurate flow control ensures your process is running at peak performance.

Cornerstone is your local factory-authorized Emerson Impact Partner for Fisher control valves, digital controllers, and valve instruments in the .

Control valves are designed to manipulate a flowing fluid, such as gas, steam, water, or chemical compounds to compensate for load disturbances and precisely maintain the process variable to the desired set point. They are a critical control loop element and need to be properly sized and selected by knowledgeable valve application engineers.

Fisher makes everything from globe, angle and Vee-Ball control valves to smart positioners, special alloys, low noise and anti-cavitation trims – Cornerstone experts size and select the best Fisher valve for your application, engineered to optimize process performance, safety and reliability.