Twin Power Multi-Turn Actuator

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Twin Power Multi-Turn Actuator

The Twin Power is a robust multi-turn actuator suitable for use with rising stem or rising wheel valves. Its modular design is available in both pneumatic and hydraulic powered variants.

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The Twin Power is a series of pneumatic anp hydraulic actuators for multi-turn applications. It is a robust actuator with a recognised reputation in the oil & gas and other process industries that has been proven in installations ranging from the challenging cold of the North Sea to the heat and humidity of Indonesia.

The name is derived from the actuators unique design that enables it to produce two output torque values - a constant run output with increased output (up to 50% more) start output in both directions of rotation*. There are both one and two motor designs available with four motor sizes of either diaphragm or piston type providing output up to 800 Nm (7,080 Ibf-in). If necessary, output can easily be increased by means of an intermediate gearbox.

Twin Power's compact size is often a significant benefit due to the space constrains common to process plant and offshore applications. It is easily mounted on either installed or new valves, regardless of type, manufacture, or drive shaft design.

It can be operated locally or remotely via pneumatic or solenoid valves and a manual handwheel is provided on all units. Three micro-switches are included to indicate open, close and run conditions. Optionally, the actuator can be supplied with a pneumatic or electric position transmitter.

Technical Data - Pneumatic

Every Rotork Fluid Systems actuator is built to provide long and efficient service with minimum maintenance. The design, engineering and materials used in their construction ensure optimum performance even in the harshest environments.

Operating Pressure: Up to 8 bar (116 psi)

Type: 114: One motor, 214: Two motors

Torque Output: Type 114: 20-400 Nm, Type 214: 40-800 Nm

Steps Per Turn: 27*

Speed of Operation: Single step operation with reciprocating or SOV pulse time 1.5 sec. on 1.5 sec off*

Operating Media: Air or inert gas.

Weight: Type 114: 25-40 kg, Type 214: 333-50 kg**

Temperature Range:
Standard: -30 to+80 °C (-22 to+176 °F)
High: 0to + 150°C (+32 to+302 °F) (with piston motor)

Valve Mounting Kit: Supplied either machined to suit or blank, as requested.

Rotork plc
Rotork plc
Brassmill Lane
Bath , Avon; BA1 3JQ

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