7500 Series Frame 7 Combined Stop/Speed Ratio & Control Valve

The YF 7500 Series Combined Gas Control Valve is comprised of a primary gas isolation and pressure control valve tied to the turbine trip oil circuit, followed by a secondary flow control valve. Together they meter gas fuel flow into the turbine. Designed for gas fuel control on Frame 7 Model A-EA.

The YF 7500 Series Natural Gas Combined Valve is a fuel control assembly for Frame 7 turbines. The Stop/Speed Ratio portion of the valve is equipped with emergency fuel shutoff capability.