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- Valve actuator with spring return >
- Liebherr
Liebherr valve actuators with spring return
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Torque: 2.5 Nm
Actuator force: 2,500 N
Stroke: 0 mm - 40 mm
... /b>
The ELC 250SR
electric linear
actuator is designed for safety-critical
valve applications requiring a reliable fail-safe action. It delivers 2.5 kN of thrust and incorporates a
spring-
return ...
Rotork
Torque: 0 Nm - 200,000 Nm
Voltage: 24 V
... >
SI4 part-turn
actuators offer the flexibility to be customised to suit applications up to 200,000 Nm (147,500 lbf.ft). The Skilmatic SI range are self-contained electro-hydraulic
actuators combining the simplicity ...
Rotork
Torque: 400,000 Nm
Voltage: 24 V
... lock-in-last position via mechanical spring- return
Rotork
Torque: 0 Nm - 4,500 Nm
... modular, scotch yoke actuators available in double-acting and spring- return configurations. The compact and efficient design yields surprisingly high torques even at low pressures. Using design concepts ...
Rotork
Torque: 0 Nm - 600,000 Nm
... GP/GH range scotch yoke actuators are designed to operate ball, butterfly and plug valves requiring a rotary, quarter-turn movement for either on/off or modulating duty and can be supplied with symmetrical or canted torque ...
Rotork
Torque: 0 Nm - 600,000 Nm
... HPG actuators are designed to use pipeline gas as the motive power source. Using our industry recognised and proven hydraulic scotch-yoke quarter-turn design, the HPG is a direct gas actuator customisable to end-user ...
Rotork
Torque: 0 Nm - 5,000,000 Nm
... LP/LH pneumatic and hydraulic actuators for linear valves in double-acting or spring- return configurations to suit all valve sizes. Offering the advantages of compact ...
Rotork
Torque: 0 Nm - 3,400 Nm
... heavy-duty actuators are a compact, economical and robust solution for quarter-turn valves that have a fairly constant torque requirement throughout the stroke and are designed to operate ball, butterfly, plug and other ...
Rotork
... scotch yoke and linear subsea actuator designs with ROV or diver operated facilities for both double-acting and spring- return applications. The Subsea range is designed to meet the stringent approvals ...
Rotork
Torque: 0 Nm - 18,300 Nm
... vane actuators are true rotary actuators that do not require the conversion of linear to rotary motion. The actuator is a very simple, highly accurate and reliable quarter-turn / rotary actuator ...
Rotork
Torque: 8 Nm - 4,068 Nm
... acting and spring return. Plus, its hydraulic damper also has a dual acting and spring return function. In addition, it has a 100% and 50% extra travel stop limitation and a RC100 travel ...
... DeZURIK rotary diaphragm actuators are designed specifically for use on quarter-turn valves. The actuators are designed for on-off or modulating service in either a fail-open or fail-closed mode. Action ...
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