LIMITORQUE
Limitorque
Official website: www.flowserve.com ↗Limitorque is the historic American electric actuator brand, now part of Flowserve, with a century-scale heritage in power generation and water infrastructure. Its SMB and L120 actuator ranges are the installed-base standards in American power plants.
The product logic is rugged electric automation: multi-turn and quarter-turn actuators built for decades of service, with the nuclear-qualified variants that American utilities specify.
Representative product lines
| Series | Type | Notes |
|---|---|---|
| SMB range | Electric actuators | The classic multi-turn actuator for gate and globe valves |
| L120 range | Electric actuators | Part-turn automation for quarter-turn valves |
| Nuclear variants | Specials | Actuators qualified for nuclear service |
Where they fit
Power generation (fossil and nuclear), water and wastewater across North America and export markets.
electric actuatorusapowermulti-turn
Related engineering on RegValve: Related engineering: electric actuator fundamentals and fail-safe action.
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Editorial note. Independent technical profile compiled from public documentation and industry practice. Limitorque and the product designations above are trademarks of their respective owners; RegValve.com is not affiliated with or endorsed by them.