Model 44200 pages

Turbine Fuel Shut-off Valve
Model 4420
Overview
Model 4420 has been designed specifically
for use as a fuel shut-off valve in gas turbine
applications. The 4420 is a single acting spring
return, pneumatically actuated valve and is
available in both 2-way and 2-way vented
versions:

Typical applications
Developed for use in manual and automatic
control systems:
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Fuel shutoff valve for gas turbines in the
10 to 30 MW size range
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Starting air/gas valve
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Vented fuel/gas valve

Key features and benefits
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Less than 100 millisecond Close Time
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Unique “vent” port - no need for separate
bleed valves - reduced installation cost

Model 4420 Turbine
Fuel Shut-off Valve

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2-Way & 2-Way Vented
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Open/Closed Position Switch Indication
(Optional)

Datasheet_4420_Fuel_Shut_off_Valve_0512_Rev6

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