Network Products

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  • Brands:
    Limitorque
  • Applications:
  • Industries:
    Alkylation,Slurry Processing,Hydrotreating,Slurry Transfer,Auxiliary,Crude Handling and Treatment,Leaching Acid,Solvents,Boiler Circulation Systems,Crude Pipeline,Logistics and Tank Farm,Aerospace,Boiler Circulation Systems,Delayed Coking,Miscellaneous Services,Steam Systems,Boiler Feedwater Systems,Desalination,Miscellaneous Services,Steam Systems,Boiler Feedwater Systems,Descaling,General Industries,Utilities,Bleach Chemicals,Dewatering & Water Supply,Nuclear Power,Waste Processing,Boiler Feed,Digester,OEM,Water Handling and Treatment,Boiling Water Reactors Non-safety,Distillation,Plating, Galvanizing and Other Coatings,Water Injection,Catalytic Cracking,Fire Protection - General Industry,Primary Processing,Water Supply and Distribution,Caustic and Chlor-Alkali,Flood Control,Products Pipeline,Agriculture,Condensate Systems,Gas-to-Liquids,Pressurized Water Reactors - Non-safety,Condensate Systems,Gas Treatment,Scale Recycle,Construction,Ground Water Development and Irrigation,Wastewater Collection and Treatment,Acid Transfer,Cooling Systems,HVACI,Heavy Oil and Upgrading,Water Treatment,Cooling Systems,Hydrocraking,Cooling Water - Metals
  • Standards:
  • Misc:
Flowserve - Limitorque has been a global leader in the development and deployment of network products for electric valve actuators. Network products include DDC-100 (Modbus), Foundation Fieldbus H1, Profibus DP-V1 and Profibus PA. In fact Flowserve - Limitorque is the only large valve actuator manufacturer to supply Profibus PA.

Network Options
  • DDC-100 supports up to 250 actuators on a single Modbus redundant loop network
  • DDC-100 networks are controlled via the Master Station II or Direct-to-Host
  • Master Station II DCS connections support Modbus Serial or Modbus TCP/IP
  • Profibus PA  
  • Profibus DP V1 
  • Foundation Fieldbus H1
  • DeviceNet

Network Device Description Files

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MX PB DPV1 / PA Field Unit

User Instructions

Master Station II

The Limitorque Master Station II is a revolutionary step forward in control technology. The device is capable of controlling up to 250 actuators, offers full redundancy, provides easy-to-use HMI interfaces, and allows for high-speed data-transfer via a Modbus DCS port or Modbus Ethernet port.

Accutronix MX FF Field Unit

This manual explains how to install and operate the Accutronix MX FOUNDATION™ fieldbus field unit.

MX DeviceNet Field Unit

User Instructions

MX Profibus DTM

This flyer gives you a brief description to the benefits of the MX Profibus DTM Software.

MX DDC Manual

The DDC manual for MXa Electric Actuators.

Master Station II

The next generation master station is designed and manufactured specifically for use with Limitorque’s line of DDC-100 field units.

Direct to Host Programming Guide (DDC-100 Modbus)

Direct to Host Programming Guide (DDC-100 Modbus)

SMB Electric Actuators

Description: Flowserve Limitorque SMB actuators are designed and built to provide years of dependable service in a wide range of environments. Whether direct-mounted to multi-turn valves, dampers, or sluice gates, or side-mounted to HBC or PT worm gear reducers for qu

MX Electronic Valve Actuator

Description: The MX is Flowserve Limitorque's product entry in the non-intrusive, double-sealed, smart electronic actuator marketplace.

L120 Multi-Turn Electric Actuator

Description: Limitorque's L120 Series multi-turn actuators have a solid record of making valve control easier in a wide variety of demanding applications. Proven performers under the most challenging circumstances, Limitorque's L120 actuators are ideal for valves

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