FLOWSERVE LIMITORQUE MX

  • Flowserve Limitorque introduced the MX electronic actuator in 1997 as the first smart actuator that provided uncompromised reliability and performance in a design that was easy to use.
  • The MX innovations which were market firsts – unique absolute encoder that doesn’t require battery back-up – Limigard™ technology – easy to use menus in six languages – the use of Hall effect devices to eliminate potentially troublesome reed switches – have been improved.
  • The features Users have come to expect from Flowserve Limitorque are still standard, but the list of improvements and optional equipment permits improved reliability, functional performance and durability.
  • The MX is the smart actuator design that is rigorous and easy to use. It is the only non-intrusive, double-sealed electronic actuator to display the Limitorque brand.

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Description

The Limitorque MX control panel features an improved 32-character LCD screen that provides actuator status and diagnostics in an easy to use, easy to read, graphical format. The industry’s first multilingual actuator is now capable of configuration in English, Spanish, German, French, Italian, Portuguese, Mandarin, Russian, Bahasa Indonesia, Katakana and Turkish as standard configuration languages. In addition, the LCD can be rotated 180˚ for better field visibility.

Speed, precision, simplicity, and set-up speed are characteristics expected of a smart actuator. Users and valve OEMs demand quick set-up and easy to understand dialog in preferred languages. The ability to either upload new software or download diagnostics is also critical to improving a plant’s efficiency. The MX provides customers with the es

sential tools for rapid installation and root cause diagnostics.

Precision is expected in a smart actuator. The Limitorque MX was the first such device developed with an innovative absolute encoder that doesn’t require troublesome and unpredictable battery back-up. Flowserve Limitorque’s innovative absolute encoder now offers to 18-bit resolution over 10,000 drive sleeve rotations and is 100% repeatable. It now has BIST (Built In Self Test) enhancements and redundancy.

When a device is designed for BIST, its methodology is such that much of the test functionality is embedded in the device itself. BIST design facilitates a critical component’s ability to communicate its actual state for comparison to the expected state. Any deviation from expected values will be reported to the User either local at the actuator’s LCD screen or over a network device.

Simplicity is expected in a smart actuator. In fact, one of the reasons for using an electronic actuator is the simplicity of set-up, installation on a valve, and acquiring diagnostic information. The Limitorque MX actuator is the simplest and easiest to use electronic actuator.

 

Long Life and Protection

Long life is expected in a smart actuator. There are more than 1,000,000 Limitorque actuators installed around the globe, in every conceivable environment. Many have been functioning for over 50 years. Introduced in 1997, the MX is the Flowserve Limitorque smart actuator that inherits Limitorque’s legendary longevity.

In order to last a long time in severe environments smart actuators must have unparalleled protection. The Limitorque MX’s IP68 enclosure rating is 15M for 96 hours, regardless of whether the unit is weatherproof or explosionproof. Add other certifications to the list – NEMA 4, 4X, 6 – and the MX is unsurpassed in unit protection.

The MX is double-sealed, which isolates the terminal compartment from the controls environment. Any leakage into the terminal compartment is contained in the compartment.

The MX is powder coated using a polyester resin in Blue Streak color, not only for aesthetics, but also for protection in severe corrosive environments.

USES OF THE LIMITORQUE MX

  • Acid Transfer
  • Aerospace
  • Agriculture
  • Alkylation
  • Auxiliary
  • Boiler Circulation Systems
  • Boiler Circulation Systems
  • Boiler Feed
  • Boiler Feedwater Systems
  • Boiler Feedwater Systems
  • Boiling Water Reactors Non-safety
  • Catalytic Cracking
  • Caustic and Chlor-Alkali
  • Condensate Systems
  • Condensate Systems
  • Construction
  • Cooling Systems
  • Cooling Systems
  • Cooling Water – Metals
  • Crude Handling and Treatment
  • Crude Pipeline
  • Delayed Coking
  • Desalination
  • Descaling
  • Dewatering & Water Supply
  • Digester
  • Distillation
  • Heavy Oil and Upgrading
  • HVACI
  • Hydrocraking
  • Hydrotreating
  • Leaching Acid,Logistics and Tank Farm
  • Miscellaneous Services
  • Miscellaneous Services
  • Nuclear Power
  • OEM
  • Plating
  • Pressurized Water Reactors – Non-safety
  • Primary Processing
  • Products Pipeline
  • Scale Recycle
  • Slurry Processing
  • Slurry Transfer
  • Solvents
  • Steam Systems
  • Steam Systems
  • Utilities
  • Waste Processing
  • Wastewater Collection and Treatment
  • Water Handling and Treatment
  • Water Injection
  • Water Supply and Distribution
  • Water Treatment

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