“Testing the 180° Positioner & Actuator to
the 2:1 gear driven 90° Cyclonic Choke Valve.”

Max-Air Technology had the good fortune to be selected as the actuator of choice by Equipment & Controls Inc., an Emerson Impact Partner located in Lawrence, PA, for a critical pressure reducing and secondary ESD (Emergency Shutdown) solution. The application utilizes a Cyclonic Choke Valve installed as the primary pressure reducing valve (a.k.a the “first cut” in pressure reduction at the wellhead) reducing pressure from 8,000 psi to a much more manageable 1440 psi (Class 600) service.

The Cyclonic Choke Valve utilizes a very effective gear-driven rotating stem design requiring 180° rotation. This is where the Max-Air UT Series pneumatic 180° spring return actuator fit the application perfectly. With the addition of a PMV positioner, the solution provides the unique capability to modulate flow while at the same time providing a mechanical fail-safe (fail close) function. The automated package solution is highly compact, with the added benefit of being field-repairable without taking the valve out of line.

Max-Air Technology

Author Max-Air Technology

Max-Air Technology is the worldwide leader in automation technology and process control products; we design automation technologies that provide competitive advantages. For more than 15 years, we have engineered improvements, added flexibility and interchangeability to our products to provide customers with The Best Way to Automate Their Process.

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