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  • Limitorque
Gas Powered Actuators - LDG
Gas Powered Actuators - LDG

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.

Brand: Limitorque
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Gearboxes - Multi-Turn - SR series
Gearboxes - Multi-Turn - SR series

The Flowserve Limitorque SR series of spur gearboxes is designed for manual and motorized operation of gate and globe valves, and slide gates in tight space or high vibration applications.

Brand: Limitorque
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Gearboxes - Multi-Turn - V series
Gearboxes - Multi-Turn - V series

The Flowserve Limitorque V series of bevel gearboxes is designed for manual and motorized operation of gate and globe valves as well as slide gates.

Brand: Limitorque
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Gearboxes - Quarter-Turn - HBC series
Gearboxes - Quarter-Turn - HBC series

The Flowserve Limitorque HBC series of worm gearboxes is designed for quarter-turn butterfly, ball, and plug valve applications as well as quarter-turn and multi-turn dampers.

Brand: Limitorque
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Gearboxes - Quarter-Turn - WG series
Gearboxes - Quarter-Turn - WG series

The Flowserve Limitorque WG series of worm gearboxes is designed for quarter-turn butterfly, ball, and plug valve applications as well as quarter-turn and multi-turn dampers and offers unsurpassed quality and longevity in a wide variety of weatherproof, submersible and buried-service applications.

Brand: Limitorque
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Hydraulic Actuators - LHS & LHH
Hydraulic Actuators - LHS & LHH

The Limitorque LHS and LHH Hydraulic Scotch Yoke actuator series are designed to meet or exceed the most current and stringent safety and reliability standards for application in the oil and gas industry. LHS and LHH are ideal where hydraulic motive power is preferred for the operation of quarter-turn valves and for applications requiring a robust heavy duty design, long service life, high-torque and high-speed operation.

Brand: Limitorque
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Intrusive Multi-Turn Actuators - L120
Intrusive Multi-Turn Actuators - L120

The Flowserve Limitorque L120 electric actuator is designed for a wide range of environmental applications in power, oil & gas, and water industries.

Brand: Limitorque
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Intrusive Multi-Turn Actuators - SMB
Intrusive Multi-Turn Actuators - SMB

The Flowserve Limitorque SMB electric actuator is designed for critical and severe service applications in nuclear and thermal power, water, oil & gas industries.

Brand: Limitorque
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Network Controls - DeviceNet™
Network Controls - DeviceNet™

DeviceNet™ uses CAN (Controller Area Network) for its data link layer and CIP™ (Common Industrial Protocol) for the upperlayers of the network. DeviceNet supports multiple communication hierarchies and message prioritization, and can be configured to operate in a master-slave or a distributed control architecture using peer-to-peer communication to perform actuator process control and feedback data retrieval.

Brand: Limitorque
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Network Controls - Foundation Fieldbus H1 with DTM
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.

Brand: Limitorque
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Network Controls - HART with DTM
Network Controls - HART with DTM

HART® (Highway Addressable Remote Transducer) is a digital communication protocol that is based upon the Bell 202 telephone communication standard. By using FSK (frequency shift keying) to superimpose low level digital signals on top of an analog 4-20 mA signal, two simultaneous communications channels exist. The 4-20 mA signal communicates the primary measured value, and the digital signal communicates additional device information to the plant control system.

Brand: Limitorque
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Network Controls - Master Station III
Network Controls - Master Station III

The Flowserve Limitorque Master Station III is a Modbus master station designed to interface between the field unit (actuator) and the User DCS or PLC. It can be used in all global industrial markets.

Brand: Limitorque
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Network Controls - Profibus DP V1 with DTM
Network Controls - Profibus DP V1 with DTM

Limitorque actuators offer both variations of PROFIBUS in use today: PROFIBUS DP™ (Decentralized Peripherals) and PROFIBUS PA™ (Process Automation). PROFIBUS DP is used to operate sensors and actuators via a centralized controller in production (factory) automation applications.

Brand: Limitorque
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Network Controls - Profibus PA
Network Controls - Profibus PA

PROFIBUS PA is used to monitor and control equipment in process automation applications. PROFIBUS PA uses the same protocol as PROFIBUS DP, and can be linked to a PROFIBUS DP network using a coupler device.

Brand: Limitorque
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Network Controls-PROFIBUS DP REDCOM
Network Controls-PROFIBUS DP REDCOM

Compatible with Limitorque non-intrusive MX multi-turn and QX quarter-turn actuators, the Profibus DP with Redcom network protocol complies with the Profibus specification 2.212_V and allows connection with a single or dual redundant channel networks (optional). The new and improved DTM (Device Type Manager) greatly reduces the time required for configuring and acquiring pertinent diagnostic information.

Brand: Limitorque
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Non-Intrusive Multi-Turn Actuators - MX
Non-Intrusive Multi-Turn Actuators - MX

The Flowserve Limitorque MX, non-intrusive electric actuator is designed for a wide range of environmental applications in power, oil & gas, and water industries.

Brand: Limitorque
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Non-Intrusive Multi-Turn Actuators - QXM
Non-Intrusive Multi-Turn Actuators - QXM

The Flowserve Limitorque QXM, limited multi-turn, non-intrusive electronic valve actuator is designed for limited, short stroke, light torque rising stem valve applications such as choke or control valves in the power, oil & gas, and water industries.

Brand: Limitorque
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Non-Intrusive Quarter-Turn Actuators - QX
Non-Intrusive Quarter-Turn Actuators - QX

The Flowserve Limitorque QX, non-intrusive electric actuator is designed for a wide range of environmental applications in power, oil & gas, and water industries. The QX design builds on more than 20 years of proven MX technology to provide all the user-preferred features in a
quarter-turn smart actuator package.

Brand: Limitorque
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Pneumatic Actuators - Rack & Pinion - Limitorque LRP
Pneumatic Actuators - Rack & Pinion - Limitorque LRP

The Limitorque LRP series is a robust, reliable rack and pinion actuator designed for high performance automation of  quarter turn valves in a wide range of applications.

Brand: Limitorque
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Pneumatic Actuators - Scotch Yoke - LPC
Pneumatic Actuators - Scotch Yoke - LPC

The Limitorque LPC series is a compact pneumatic scotch yoke actuator for on/off, inching and light modulating applications on quarter-turn small-to-medium sized valves in general and protective services for the oil & gas market.

Brand: Limitorque
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