Bettis EHO Electro-Hydraulic Operator (Standard)

The Bettis Standard Electro-Hydraulic Operator (EHO) is an integrated actuator designed for quarter-turn valves, ideal for Emergency Shut Down (ESD) applications. It combines a spring-return mechanism, hydraulic power unit, and electronic controls to offer a fail-safe, simple solution for halting process flow during emergencies, ensuring safety and environmental protection. Suitable for harsh conditions, it features over fifteen alerts, supports HART and FOUNDATION Fieldbus protocols, and offers IP68 and IP67M protection.

Key Features

Key features and benefits of the Bettis EHO Electro-Hydraulic Operator (Standard)
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Key Features

The heart of the Bettis EHO is its fail-safe actuation capability, provided by a spring-return mechanism. This design is essential for emergency shut down (ESD) applications where it's crucial to automatically return the valve to a safe position in the event of a power loss or signal failure.
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Key Features

The Bettis EHO combines a hydraulic power pack and an electronic control module into a single, compact unit. This integration simplifies the installation and operation of the actuator, reducing potential points of failure and maintenance requirements.
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Key Features

Designed to withstand hostile and demanding environments, the Bettis EHO boasts high-level protection ratings of IP68 for the control enclosure and motor, and IP67M for the hydraulic actuator.

Valve Standards & Stuff

Power Source: Electro-Hydraulic
Product Type: Electro-Hydraulic Actuator
Actuation: Quarter-turn
Certifications: FM, ATEX, IECEx, PESO, CCOE, CSA, SIL 2
Control Type: On/off, ESD
Valve Type: Ball, Butterfly, Plug, Triple Offset
Operating Temperature: Standard -20°F to +140°F (-29°C to +60°C). Optional temperature -40°F to +140°F (-40°C to +60°C).
Torque/Thrust: 1,264 to 707,696 in-lbs
Operating Pressure: 3,000 psi (207 Bar)

Frequently Asked Questions

The Bettis Standard Electro-Hydraulic Operator (EHO) is a self-contained, integrated actuator designed for reliable quarter-turn valve actuation, particularly in emergency shut down (ESD) applications, combining a spring-return mechanism, hydraulic power unit, and electronic control for fail-safe operation.

It employs a spring-return mechanism that automatically returns the valve to a safe position in case of power loss or signal failure, ensuring fail-safe actuation critical for ESD applications, thus protecting personnel, equipment, and the environment.

Yes, the Bettis EHO is designed for resilience in challenging conditions, with IP68 and IP67M protection ratings for its control enclosure, motor, and hydraulic actuator, ensuring reliable operation even in hostile environments.

The Bettis EHO supports HART and FOUNDATION Fieldbus communication protocols, allowing for seamless integration into existing control systems and facilitating easy configuration and monitoring via DCMlink software.

The Bettis EHO offers over fifteen alerts and alarms designed to notify users of abnormalities within the system, enhancing safety and operational efficiency by allowing for timely maintenance and adjustments.

Yes, the Bettis EHO is versatile and can be used to actuate a wide range of quarter-turn valves, making it a suitable choice for various applications requiring reliable valve control and emergency shutdown capabilities.

By providing fail-safe actuation for ESD valves, the Bettis EHO helps stop process flow upon detection of a command signal or power loss, minimizing the risk of leaks or spills that could harm the environment.

Its integrated design, combining a hydraulic power pack with an electronic control module, ensures straightforward, efficient operation with fewer potential points of failure, making it a reliable choice for emergency shutdown applications.

Absolutely, its compatibility with common communication protocols like HART and FOUNDATION Fieldbus, along with DCMlink software, allows for easy integration into current control systems, enhancing operational flexibility.

The IP68 and IP67M ratings signify that the Bettis EHO is dust-tight, can withstand immersion in water, and is protected against the ingress of harmful substances, indicating high durability and suitability for use in a wide range of environmental conditions.

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Bettis EHO Series (Standard) Hydraulic Valve Actuator