Model RA-ESD Self-Contained Actuator
The Model RA-ESD (Emergency Shutdown System) Actuator is a Model RA actuator fitted with the self-contained hydraulic control system. The ESD system provides immediate shutdown of a well or pipeline under any climatic conditions even in remote locations where no external power source is available.
Features –
- Fail-safe valve shutdown
- Totally self-contained
- No flowline pressure required
- No compressed gas required
- No electricity required
- No nitrogen required
- Uses clean hydraulic fluid in a closed circuit
- Simple and safe
- All components can be independently replaced, if necessary
- Spring housing is a welded construction that prevents accidental release of preloaded spring
- High initial closing force
- Modular design
- Adaptable to all major manufacturers' gate valves
- Visual position indicator rod for positive valve status
- Horizontal or vertical actuator orientation
