Emerson Bettis EHO electro-hydraulic operator

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Emerson has introduced a Bettis EHO electro-hydraulic operator actuator for remote valve emergency shutdown applications. It provides users with a solution for critical situations where fail-safe response in remote areas must be instantaneous and dependable.

​The EHO actuator is suitable for a diverse range of applications, from topsides valve automation on offshore platforms to remote pipelines where operational upsets can cause safety and environmental hazards, as well as costly production losses. To help operators counteract these challenges, the EHO provides a compact design with actuator and control components from Emerson that have been field proven for decades in critical service, and features that combine more than 200 years of experience in valve actuation, electric motor, and hydraulic control technology.

The EHO is available in either spring-return or double-acting configurations. Torque outputs can handle valve sizes from 6 to 60″. The EHO operates on utility electrical power or optional solar power for remote areas where electric power is not available or not reliable. The EHO is operable in temperatures ranging from -40 to +60°C. Its fail-safe capability is reliable with fast close or open stroke times, suitable for emergency shutdown in oil or gas service.