Turbine Controls Ltd

EGV Gas Throttle Valve

EGV Gas Throttle Valve

An electrically actuated gas valve for gas turbine gas fuel systems. Will replace OEM hydraulically actuated valves.

• Sizes available for Gas Turbines from 1MW to 125MW

• Remove hydraulic oil pumps and associated maintenance, no more oil leaks

• Accurate and repeatable valve positioning gives reliable light-off

• Pressure and temperature compensation options available

EGV GAS VALVE

The EGV gas valve is made up of the following components:

1. ATEX approved DC Servo motor, fitted with:

• Encoder position feedback

• Motor winding temperature detection

2. Ultra low backlash gearbox to provide high torque

3. ‘V' Notch Ball valve

• Square law flow profile for accurate light-off flow control

• Self cleaning nature of the valve results in low sensitivity to contamination

• Trunion style bearings are not exposed to the fuel gas

4. Minimum position limit switch

SERVO DRIVE

• The valve can be supplied with or without the servo drive which comes with the following options:

• Acceleration/Deceleration limit control

• Gas supply pressure/temperature compensation

• Valve de-choking compensation

• Power supply 220/110 Vac or 110/24 Vdc

SPECIFICATIONS

• Atex Zone I, Group IIB, T4

• Pressure ratings: ANSI 150/300/600

• Torque output: 50 Nm