Fuel Gas Shutoff Valves

4418F_web

4418F Stainless Steel High Pressure 2-Way Valve


Body materials: Stainless steel 
Internals: Stainless steel or aluminum 
Seals: Viton or Buna N/Nitrile 
Operating temp.: -29 to 204°C -20 to 400°F 
Valve pressure rating: 13 to 50 bar 195 to 720 psi 
Pilot pressure: 30 to 150 psi 2.1 to 10.5 kg/square cm 
Flow coefficient:

IN to OUT

 

 

OUT to VENT

1"

1 1/2"

2"

all 

Kv = 15.6

Kv = 28.5

Kv = 29.4

Kv = 1.7

Cv = 18

Cv = 33

Cv = 34

Cv = 2.0
Close time: Less than 100ms  

See datasheet for complete specifications.
4420

4420 Turbine Fuel Shutoff Valve

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)

See datasheet for complete specifications.