C421895

Three-inch flange, 90 to 140 vdc, electromechanically actuated (EMA)

Specifications

Parker Meggitt’s three-inch globe style gas metering valve is designed for use on a variety of industrial gas turbines. This product utilizes the same high reliability features as all Parker Meggitt electric gas metering valves.

Function: Precision fuel gas metering for aero-derivative turbine engine control
Physical size: 12.5″ flange to flange, 9.78″ wide, 28″ high
Weight: 120 pounds
Flange type: 3″ ANSI B16.5 CL 600 raised face flanges
Line pressure: 0 to 350 psia
Fluid temperature: 32 to 300°F
Ambient temperature: –65 to 150°F

Performance
Flow: Linearly proportional to valve stroke
Internal leakage: ANSI class IV
Operating time: 175 msec full stroke response, 150 msec 50% step response,
300 msec fail-safe closed (power loss

Electrical
Motor: Steady state, 90 to 140 VDC, 0.50 amperes; 10 amperes maximum
transient (100 msec)
Resolver: 4 VAC, 25 to 60 ma maximum
Closed position indicating switch: SPDT
Thermostat: Opens at 329 to 347°F; resets at 251 to 270°F

Released versions

  • C421895

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