Recent content by gtengineer

  1. gtengineer

    FCI 70-2 Seat Leakage Test for Control Valves

    Hi As you may know that FCI 70-2 standard is very common for control valve seat leakage test. Can someone kindly explain that why for Class VI valves the FCI asks for test pressure of only 50 psig? Is there any impact on valve if this test pressure is increased? Regards
  2. gtengineer

    GE Frame 6B IGV Sticking Issue

    Dear All We have GE Frame 6B Gas turbines and we are facing IGV Sticking issues while changing loads. The IGV actuator is stucking at different openings between 42 to 55 degrees intermittently. Surprisingly, whenever we shutdown turbine and calibrate the IGV system using Mark VI, the...
  3. gtengineer

    Gas Turbine Flame Detection

    Hi We are having GE Frame 6B DLN Gas turbines. The original flame scanners (Reuter Stokes) which came with these turbines were facing repeated fluctuation problems in their readings and these fluctuations utlimately were becoming so low that we had to take turbine shutdowns to clean the...
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