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Non-Intrusive Multi-Turn Actuators – Limitorque MXb
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Network Controls – Foundation Fieldbus H1 with DTM

Limitorque actuators with Foundation Fieldbus can act as a link active scheduler and time master for regulating communication on a fieldbus segment. The Fieldbus Foundation has tested and registered the Limitorque Device Description (DD) files to ensure interoperability with registered devices from multiple vendors. In addition, The FDT Group has certified the DTM (Device Type Manager) for use with both standalone and non-standalone frames.

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Features & Benefits

  • Broad versatility owing to a wide variety of configurations, including torque-only, thrust-based, linear thrust base and rising stem applications
  • Uncompromised reliability and superior service life from the use of higher-rated components and isolation of input/outputs from outside interference
  • Enhanced user experience from an improved user interface, simplified menu structure, and multiple configuration options that allow for faster installation and commissioning
  • Higher process control visibility through advanced diagnostics and analytics, a larger storage capacity, and high-resolution visualization of operational graphs, logs and trend data
  • Weatherproof, explosion-proof and submersible applications
  • 100% repeatable and redundant absolute encoder for position sensing; configurable electronic torque switch for torque sensing
  • Three-phase 50/60 Hz options from 208 to 575V
  • Configurable at the actuator via 11 languages: English, Spanish, German, French, Italian, Portuguese, Mandarin, Russian, Bahasa Indonesia, Katakana and Turkish
  • Standard UPS for 12 to 24 VDC-powered commissioning without mains or backup power to feedback and alarms during loss of mains
  • Four standard 5A relays for status and alarms; one 5A monitor relay for remote operation feedback
  • The MXb actuator’s display and control electronics assembly are backward compatible and can be easily retrofitted to previous MX actuat

Specification

Explosion-Proof Certifications

  • ATEX IIB/IIC
  • IECEX IIB/IIC
  • FM B, C, D

Design Standards

  • EN15714-02 – Industrial valves; Actuators: Part 2
  • ISA-96.02.01-2016 – Guidelines for the Specification of Electric Valve Actuators.
  • Meets pertinent European Directives (CE mark)

Test Standards

  • AWWA C542 – Electric Motor Actuators for Valves and Slide Gates
  • ASTM B117 – Standard Practice for Salt Spray Tests

Torque Rating Range:

  • 20 to 1,700 ft-lb output torque;
  • Additional torque can be supported with addition of gearboxes.

Temperature: -30°C to 70°C (-22°F to 158°F)

Speed: 15 to 200 RPM

Materials

  • Housing: 356-T6 aluminum alloy
  • Covers: 380/383 aluminum alloy

Documents & Support


Industries

  • General Industries
  • Water
    • Water Management
    • Wastewater
  • Oil & Gas
    • Midstream Transportation
    • Downstream Processing
  • Power
    • Conventional Steam
    • Geothermal
    • Combined Cycle
  • Mining

Documents & Support

Related Literature

Limitorque® MX and QX Series B Smart Electric Actuators – Brochure
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Limitorque® MX and QX Series B Smart Electric Actuators – Brochure
Download

Non-Intrusive Multi-Turn – QXMbNon-Intrusive Multi-Turn Actuators – MXa