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4420 Turbine Fuel Shutoff Valve

SKU 4420
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.
Note: This product replaces Model 4320.

Features and Benefits

  • Less that 100 millisecond Close Time
  • Unique “vent” port - no need for separate bleed valves - reduced installation cost
  • 2-Way & 2-Way Vented
  • Open/Closed Position Switch Indication (Optional)
$0.00
Specifications
Body material: 316 stainless steel
Trim material: 316 stainless steel
Seal material: Viton
Pilot pressure to actuate: 4.1 to 10.3 bar 60 to 150 psi
Connections: 2" Valve
3" Valve
ANSI Class 300 or 600 RF Flange
ANSI Class 300 or 600 RF Flange
Flow coefficients: 2" Valve - Kv = 72
3" Valve - Kv = 113
Cv = 83
Cv = 130
Position switch ratings:

UL Class 1, Groups A,B,C&D CSA

Class 1, Div. 1, Groups A,B,C&D

Solenoid valve ratings: UL&CSA Class1, Div. 1, Type H Coil (24VDC)
Applications

Developed for use in manual and automatic control systems:

  • Fuel shutoff valve for gas turbines in the 10 to 30 MW size range

  • Starting air/gas valve

  • Vented fuel/gas valve