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LDG Gas Powered Actuator

Brand: Limitorque
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The Limitorque LDG Direct Gas powered scotch yoke actuator series is specifically designed to be operated by high pressure natural gas, or any other high pressure pneumatic fluid up to a maximum of 105 barg (1500 psig).

LDG actuators are ideal for pipeline applications where no external sources of motive power are present and provide a robust heavy duty design and long service life with industry leading maintenance intervals.

This makes them the actuator of choice for installation in remote or unmanned facilities.
Features
  • Efficient design based on computational modelling and extensive experimental validation provides high performance with reduced size, weight, and consumption.
  • Symmetrical and canted scotch yoke types perfectly fit individual valve torque requirements.
  • Rugged heavy-duty fabricated carbon steel build epoxy painted and Electroless Nickel Plated (ENP) cylinders provide maximum protection against corrosion.
  • Dust/water proofing to IP66/IP66M and IP67/IP67M according to EN 60529.
  • 25-year design life and maintenance intervals up to six years, (depending on service conditions, proper installation, operation and maintenance) exceed industry expectations.
  • Modular construction allows easy on site maintenance without special tools and without removal from the valve.
  • On-board Medium-High Pressure Control group MHPC provides multiple control functionalities at full rated pressure, thus eliminating need for pressure reducer, reducing system complexity, and limiting gas consumption and exhaust.
The Limitorque LDG Direct Gas powered scotch yoke actuator series is specifically designed to be operated by high pressure natural gas, or any other high pressure pneumatic fluid up to a maximum of 105 barg (1500 psig).

LDG actuators are ideal for pipeline applications where no external sources of motive power are present and provide a robust heavy duty design and long service life with industry leading maintenance intervals.

This makes them the actuator of choice for installation in remote or unmanned facilities.
Features
  • Efficient design based on computational modelling and extensive experimental validation provides high performance with reduced size, weight, and consumption.
  • Symmetrical and canted scotch yoke types perfectly fit individual valve torque requirements.
  • Rugged heavy-duty fabricated carbon steel build epoxy painted and Electroless Nickel Plated (ENP) cylinders provide maximum protection against corrosion.
  • Dust/water proofing to IP66/IP66M and IP67/IP67M according to EN 60529.
  • 25-year design life and maintenance intervals up to six years, (depending on service conditions, proper installation, operation and maintenance) exceed industry expectations.
  • Modular construction allows easy on site maintenance without special tools and without removal from the valve.
  • On-board Medium-High Pressure Control group MHPC provides multiple control functionalities at full rated pressure, thus eliminating need for pressure reducer, reducing system complexity, and limiting gas consumption and exhaust.
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Specifications

Brand

LDG

  • Direct Gas Actuator

MHPC

  • Medium-High Pressure Control Group Provided Assembled On-Board the Actuator Provides Multiple Functionalities for Actuator Control

Pressure Rating

  • MAWP 105 barg (1500 psig)
  • Operating Pressure from 10 to 105 barg (145 to 1500 psig)

Torque Rating Range

  • Up to 300,000 Nm (221,000 ft/Lbs)
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