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Product Brand: Limitorque
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

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

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

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

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

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

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

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

Intrusive Quarter-Turn Actuators - LTQ

The Limitorque LTQ compact, quarter-turn electric actuator delivers superior reliability and performance through its industry-proven epicyclic locking gear set design. It is ideal for applications that require a simplistic, non-networked and cost-effective quarter-turn actuator that has analog controls, torque switches, limit switches, and discrete position feedback capabilities. The limit and torque switches, standard controls and a wide range of output offerings allow a higher degree of customization that can meet exacting customer needs.

Brand: Limitorque

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

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

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

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

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

Network Controls — Limitorque® 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's DCS or PLC. It can be used in all global industrial markets.

 

NOTE: Master Station III has been discontinued. It has been replaced by Master Station IV

Brand: Limitorque

Network Controls — Limitorque® Master Station IV

The Flowserve Limitorque® Master Station IV is a Modbus master station designed to interface between the field unit (actuator) and a user's DCS or PLC. It can help minimize integration efforts and save users time and money during startup and commissioning while helping maintain asset integrity. It can be used in all global industrial markets.

Brand: Limitorque

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

Non-Intrusive Multi-Turn Actuators - Limitorque MXb

The Limitorque® MX Series B (MXb) non-intrusive, multi-turn, smart electric actuator offers superior reliability, enhanced analytics and an improved user experience. It is designed for application versatility and tackles the toughest, most critical services within the oil and gas upstream and midstream, commercial power, chemical, fresh and wastewater, and general industries.

Brand: Limitorque

Non-Intrusive Multi-Turn Actuators - MXa

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

Brand: Limitorque

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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