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1. Boiler/ HRSG Drum Safety Valve.
2. Main Steam Line safety Valve.
This 2 is most important protection for all High Pressure Boilers.
3. Steam Temperature.
4.Steam Pressure .
5.Drum Level Gauge & Transducer ( 2 out of 3 Logic)
6. Continuous Blow Down & / IBD ( For Silica Carryover in Turbine).
7. Automatic Steam Vent Valve ( In case load reduces/ due to any reason Pressure start increasing ), Vent valve will open & maintain the pressure).
8. Water chemistry for Long-life of Boilers & HRSGs.
9.Drum Level maintain through Feed water Make up valve.( 2 out of 3 logic of Level Tramsmeter & Flow transmeter).
10. Water Sealing in High pressure boiler is the Ingress Protection.
11. ETC.........
