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Bettis EHO Electro-Hydraulic Operator (Standard)
Bettis EHO Electro-Hydraulic Operator (Standard)
The Bettis Standard 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 Standard EHO provides a straight forward, simple, reliable ESD actuator solution.

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

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Bettis Electro-Hydraulic Operator (EHO) Gear Pump Replacement

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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 (Standard)

Specs

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)

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

Education

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