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E²H Series Electro-Hydraulic Linear Valve Actuator

Brand: Cowan Dynamics Inc

The E²H Series is an all-in-one design for linear control valve automation. No need for separate & bulky hydraulic power units and hoses.

The E²H, Electro-hydraulic Actuator for linear valve automation packs high performance into the smallest possible installation envelope for linear valve actuating applications.

All hydraulic components and sensors are integrated into a single compact manifold block that also houses the linear actuator and integral oil reservoir.

The control panel can be mounted directly to the manifold block or installed remotely to run multiple units from a single control panel This self-contained actuator can be installed either vertically or horizontally and has no external piping.
Features
  • Power Consumption
    • Very low power consumption
    • Tight Shutoff
    • Power on Demand - Lock in Place
  • Safety  
    • Fail last lock
    • Fail close
    • Fail Open
  • Low Maintenance
    • Simple Installation – complex hydraulic supply system not required
    • Remote Diagnostics/Data logging
  • High Performance
    • 100% Duty Cycle
    • Variable speed motor allows for custom open & closing times

Specifications

Thrust

  • Max 500,000 lbf

Certifications & Approvals

  • SIL-3

Operating Temperature

  • Standard -20° to +40° C
  • High -20° to +55° C
  • Low -50° to +40° C
  • Standard HMI 0° to +40° C
  • Low Temp HMI -30° to +40° C

Area Classification

  • CSA CI1,Div1,Gr C&D
  • CSA CI1,Div2,Gr A,B,C&D
  • ATEX, II 3G EEx nA II T3 -40° C ≤ Ta ≤ 65° C
  • ATEX, II 3G EEx nA II T3 -40° C ≤ Ta ≤ 65° C, Tamb ≤ 65° C

Supply Voltage

  • 240 /  115 Vac, 1 Phase, 50 / 60 Hz
  • 460 / 575 Vac, 3 Phase, 60 Hz

Environmental Protection

  • NEMA 4/IP66
  • NEMA 4X/IP66

Communication

  • 4-20 mA + HART
  • PROFIBUS
  • PROFINET

Control Panel

  • Installed on the Actuator
  • Installed Remote

Override

  • Manual
  • Hydraulic Hand Pump Optional
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