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Valve Techbook 2017

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Page 12 of 35 | September 2017 | 11 VALVE TECHBOOK: TECHNOLOGY "In its Revolution Valve, Interventek separated its cutting edge from the sealing surfaces, so the sealing components are protected from damage cause by the cutting. After they have rotated past the shearing edge, the components are lifted into position to seal," he continued. The external rotary actuators provide the required cutting force while keeping the hydrau- lics separate from the wellbore. The actuators are rated for 10,000-psi working pressure. The total fluid requirement for the actuator is 1.5 liters (0.4 gallons). The new technology within the Revolution Valve allows it to be tailored to suit a variety of appli- cations with different operating challenges, such as new subsea well development and heavy inter- vention from mobile floating drilling rigs using a drilling riser or BOP stack. It is also suitable for surface intervention, subsea in-riser completion installation and intervention, an open-water con- trol package, exploration drilling program valves, abandonment tree saver valves and subsea lubricator valve assemblies. n Interventek's Revolution Valve separates the cutting edge from the sealing surfaces. (Image courtesy of Interventek)

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