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Bettis EHO Electro-Hydraulic Operator (Smart)
The Bettis Smart Electro-Hydraulic Operator(EHO) is a self-contained electro-hydraulic actuator designed to actuate quarter-turn valves.
It is designed to provide fail-safe actuation for Emergency Shut Down(ESD) valves. The Bettis Smart EHO has advanced diagnostic capability and can be connected to DCMlink for remote monitoring.
Configure and Diagnose EHO Smart with DCMlink Software: Click here

Single-way Electro-Hydraulic Operator (EHO) with Emergency Shutdown Opening Sequence

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Smart EHO Setup and Commissioning – Section 4.2 Initial Check of the Unit

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Smart EHO Setup and Commissioning – Section 4.3 Initial Connections

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Smart EHO Setup and Commissioning – Section 4.4 Hand Pump Operation

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Smart EHO Setup and Commissioning – Section 4.5 Hydraulic Test

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Smart EHO Setup and Commissioning – Section 4.6 Check Motor Rotation

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Smart EHO Setup and Commissioning – Section 4.7 Self-Calibration

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Smart EHO Setup and Commissioning – Section 4.8 Limit Switch Adjustment

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Smart EHO Setup and Commissioning – Section 4.9 Function Test with Local Controls

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Bettis EHO Electro-Hydraulic Operator (Smart)

Specs

Power Source
Electro-Hydraulic
Product Type
Electro-Hydraulic Actuator
Actuation
Spring-return
Certifications
FM, ATEX, IECEx, PESO, CCOE, CSA, SIL 3
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
up to 3,000 psi

Features

  • Utilizes a dependable spring-return actuator for the fail-safe stroke combined with an integral hydraulic power pack and electronic control module
  • Designed as an emergency shutdown actuation solution to stop process flow upon the detection of a command signal or loss of power, protecting personnel, equipment, and the environment
  • Consistently operates in challenging environments, hostile environments, and when power is challenged
  • Over fifteen alerts and alarms to help alert users of abnormalities in the system
  • Can be integrated into systems with existing common communication protocols and DCMLink
  • Communication Protocols- HART and FOUNDATION Fieldbus, DCMlink configuration and monitoring software compatibility
  • Environmental Protection: Control enclosure: IP68, Hydraulic actuator: IP67M, Motor: IP68, Reservoir: IP66
  • Environmental Protection: Control enclosure: IP68, Hydraulic actuator: IP67M, Motor: IP68, Reservoir: IP54 (IP66 optional)