Woodward 9907-997

Digital guide

Product Name: Woodward 9907-997 – Liquid Fuel Shutoff Valve

Product Brief: The 9907-997 is a high-speed liquid fuel shut-off valve for gas turbine applications, designed to provide rapid fuel bypass upon signal termination.

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Detailed content

Technical Specifications:

Maximum Allowed Design Fuel Pressure: 1233 psig (8501 kPa)
Maximum Fuel Inlet Operating Pressure: 1233 psig (8501 kPa)
Proof Pressure: 1800 psig (12411 kPa)
Burst Pressure: 6000 psig (41369 kPa)
Fuel Temperature Range: 0°F to 250°F (-18°C to 120°C)

Functional Features: Three-way, two-stage valve design. Provides fuel bypass in 0.100 seconds or less after termination of solenoid current. Fail-safe operation: loss or termination of electrical signal bypasses all fuel to the return system.

Compatible Fuels: Diesel fuel, methanol, ethanol, Jet “A”, kerosene, #2 home heating oil, heated light crudes, and residuals within prescribed limits. Accommodates contaminated fuels within prescribed limits.

Installation & Notes: See Woodward Manual 40148C for general operation, warnings, installation, principles of operation, and service options.