Rotork is the world’s leading manufacturer of Electric, Pneumatic & Hydraulic Valve Actuators and Control Systems, Valve Gearboxes, Valve Accessories and Precision Control Instruments supported by the Rotork worldwide service network.
For over fifty years, engineers have relied upon Rotork for innovative, dependable solutions to manage the flow of liquids, gases and powders. Rotork products and services are helping organizations in the oil and gas, water and waste water, power, marine, mining, food, pharmaceutical and chemical industries around the world to improve efficiency assure safety and protect the environment.
Manual Gear Operators
The IW range of quadrant wormgear valve operators is available in manual and motorized configurations and features a removable sleeve to facilitate bore and keyway machining. This sleeve can be rotated in steps to facilitate mounting to the valve.
IW size 3 to 13 torque range up to 264,000 Nm.
IW size 14 to 17 torque range from 250,000 Nm to 850,000 Nm.
- Worm shaft supported by angular contact bearing.
- High efficiency and multiple ratios.
- Removable drive sleeves up to IW11.
- Stroke: 0 to 90º (+/- 5º adjustable).
Pneumatic Actuators
CP range pneumatic actuators are a versatile, modular, scotch yoke design available in both double-acting and spring-return configurations. The compact and efficient design yields high torques even at low pressures. The design concepts found in Rotork’s large, heavy-duty actuators has been applied to the CP range, which brings heavy-duty actuator qualities to small, quarter-turn actuators. The actuator body is of rugged, ductile cast iron available in four body sizes. Cylinders are manufactured from carbon steel, electroless nickel-plated.
- Pneumatic actuators in double-acting and spring-return configurations.
- Corrosion resistant cylinders.
- Actuators certified to IP 66M/67M.
- Actuators certified to ATE X 94/9/EC .
- Actuators certified in accordance with PED 93/27/EC .
- Torque output to 4,500 Nm (39,800 lbf-in).
Gas Over Oil Pipeline Actuators
The GO range of pipeline actuators is designed to use pipeline gas as
the motive power source. They utilise our robust GH and RH quarter-turn
prime movers and are field proven in installations around the world. Control configurations are available to meet virtually any operational requirements.
- Scotch yoke and rack & pinion double-acting actuators.
- Low- or high-pressure control logic options.
- ASME certified tanks.
- Hydraulic manual override standard.
- Speed control in both directions standard.
- PED or ASME approved gas/oil and power gas storage tanks.
- Actuators certified to IP 66M/67M.
- Actuators certified to ATE X 94/9/EC .
- Actuators certified in accordance with PED 93/27/EC .
- Torque output to 600,000 Nm (5,000,000 lbf-in).
High Pressure Direct Gas Actuator
The HPG range of pipeline actuators are designed to use pipeline gas as the motive power source. They utilise our robust scotch yoke mechanism field proven the world over in all types of fluid power applications. Manual override is a standard feature of the range. Our design incorporates a separate cylinder for hydraulic override to ensure complete separation of high-pressure pipeline gas from the hydraulic fluid. The use of an independent override cylinder allows replacement of power cylinder seals without removal of the actuator from the valve and will even allow for manual operation while the power cylinder is disassembled. Control configurations are available to meet virtually any operation requirements.
- Scotch yoke actuators in double-acting and spring-return configurations.
- Hydraulic manual override standard.
- Speed control in both directions standard.
- Actuators certified to IP 66M/67M.
- Actuators certified to ATE X 94/9/EC .
- Actuators certified in accordance with PED 93/27/EC .
- Torque output to 600,000 Nm (5,000,000 lbf-in).
IQ 3 Series Electric Actuator
- IQ 3 multi-turn electric actuators can be used for isolation or regulating duties of up to 60 starts per hour. IQ 3 actuators can be supplied as watertight or explosion-proof, watertight variants
- Direct torque output range 34 Nm (25 lbf ft) to 3,000 Nm (2,200 lbf ft)
- With the addition of second stage gearboxes, multi-turn output torque up to 43,000 Nm and quarter turn up to 1,000,000 Nm is available
- Enhanced sealing and maintenance access
- All new design with updated visual appearance
- Absolute position measurement with naturally redundant position sensor
- Best in class display, communications, diagnostics and HMI
- Configurable using Bluetooth® or infra-red
- Designed to support asset management
- “Future Proofed” to allow all embedded software to be upgraded in the field
- Insight2 provides enhanced product data management
- Integrated plug and socket option available
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