Glossary : PTCS
![PTCS](https://www.rotork.com/uploads/glossary/673/ptcs.jpg)
Planetary Torque Controls System
- High mechanical efficiency (>95%)
- Precise control of the applied output torque/thrust
- Silent service
- Highly compact and light weight design
- Increased Safety: PTCS provides mechanical protection against:
- Overloading the valve
- External pressure regulator failure or deregulated inlet pressure
- Failure of any torque or limit switch
- Delays in the switching control system independent from valve inertia