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MT-150 Electric Valve Actuator

from Eltorque

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Multi-turn Electric Valve Actuator

NAG Marine MT Series electric valve actuators offer a high level of precision valve control. They are an ideal solution for requirements demanding accurate flow control, easy installation and low cost operation.


NAG Marine MT Series electric valve actuators are designed to be maintenance free, and feature completely enclosed, permanently lubricated transmissions to ensure extended reliable service in the harshest operating conditions.


About MT-150



  • Precise multi-turn control for gate and globe valves
  • 150 Nm max torque
  • IP68 aluminum housing
  • Easy installation/retrofit
  • User-configurable torque, closing time, & position
  • Permanently lubricated
  • Low power consumption
  • Manual emergency override


  • + Technical Specifications

    Torque 37-111 ft/lbs (150 Nm max.)
    Valve Stem Speed 5-15 RPM
    Valve Applications 4 - 6 inch multi-turn valves (typical)
    Closing Time Configurable using software Configuration Manager v.3
    Dimensions (H x W x D) 22 x 6 x 11-in. (558.8 x 152.4 x 279.4-mm)
    Weight 104 lbs. (47 Kg)
    Housing Stainless steel
    Operating Temp -13° to 131°F (-25° to 55°C)
    Over Temp Protection Motor current turned off
    Under Temp Protection Stator coils maintain internal temperature
    Supply Voltage 110-240V AC (single phase) 50-60Hz or
    440-460V AC (3 phase) 50-60hz
    Power Consumption Max: 240W/560 VA, Standby: 14W
    Power MIL-DTEL-5015 series
    75-474214-02P, 4-pin connector
    Actuator housing includes threaded mounting holes
    Optimized for fieldbus installation (refer to intstallation manual for specific requirements)
    Control Interface
    Analog Version Close signal: 20Ma
    Open signal: 4Ma
    Local remote control: Indicator on actual control panel
    Master alarm with current output for control system
    Valve position feedback: isolated 4-20Ma, external 24V DC required
    Local control panel stop button with integrated indicator
    Digital Version Close signal: dry contacts
    Open signal: dry contacts
    Open indicator output: dry contacts
    Close indicator output: dry contacts
    Valve position feedback: isolated 4-20Ma, external 24V DC required
    Valve travel indication: both open and close indicator lights lit during travel
    Local/Remote control: integrated indicator light on actuator
    Local stop button: integrated indicator light on actuator Summary alarm output, dry contacts provided
    Valve Position Sensor Absolute position sensor, provides correct feedback even after power failure
    Resolution 5.84° - Maximum 16 turns
    Configuration & Set-Up USB connection to PC with software Configuration Manager v.3
    Configurable Parameters Valve type
    Open & Closed positions
    Speed, torque, valve position, valve seat region position
    Inverted I/O or fieldbus parameters depending on control interface
    Emergency & Safety
    Manual Operation Ergonomic hand wheel, mechanical valve-position indicator, status LED when actuator is powered
    Safety function disables motor if actuator is operated manually while powered
    Appx. Turns
    4 inch valve - 60
    5 inch valve - 70
    6 inch valve - 80
    Type Approvals DNV, GL, CCS, ABS, (Product Design Assesment-PDA), BV & LR
    Markings CE marked



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