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ProTech‐GII

ProTech‐GII

The ProTech-GII is an overspeed safety device designed to safely shut down steam, gas, and hydro turbines of all sizes upon sensing an overspeed or overacceleration event. This device accurately monitors turbine rotor speed and acceleration via active or passive magnetic pickups (MPUs) and issues a shutdown command to the turbine’s trip valve(s) or corresponding trip system.

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The ProTech-GII is designed to safely shut down steam, gas, and hydro turbines upon sensing a turbine overspeed or over-acceleration event. The device’s 12 millisecond response time and 0.5 to 80 000 rpm speed range make it ideal for application on all types and sizes of turbines.

1. IEC61508 SIL-3 Certified
2. API670 & API612 Compliant
3. 2-out-of-3 voting
4. High availability (TMR)
5. Acceleration protection
6. On-line testing & repair
7. Overspeed trip and test logs
8. Modbus communications
9. Password security protection
10. 12 millisecond response time (independent voted output models)
11. Internal frequency generator
12. Optional Ethernet communication gateway