Digital guide
You are here:
Woodward 9907-1106 CPC-II
Product Name: Woodward 9907-1106 CPC-II (Current-to-Pressure Converter, 2nd Gen)
Product Description: An advanced electrohydraulic converter that transforms a 4–20 mA electronic control signal into proportional hydraulic pressure. It is engineered for high-precision control of single-acting steam turbine valve servos and actuators, featuring superior resistance to oil contamination.
Detailed content
Technical Specifications:
- Supply Voltage: 18–32 VDC
- Input Signal: 4–20 mA (isolated)
- Output Pressure Range: 0–10 bar (0–145 psi)
- Supply Pressure: 11–13 bar (160–189 psi)
- Accuracy: ±0.15% of full span
- Operating Temperature: -40°C to +85°C
- Housing: Marine-grade aluminum
- Weight: 2.3 kg
- Certifications: ATEX, IECEx (Zone 1), CE
Functional Features:
- Patented “Dirt Buster” self-cleaning technology, resistant to ISO 20/16 contamination
- Enhanced dynamic response for fast valve positioning
- Supports redundant input configurations (1 or 2 controllers)
- Integrated internal and optional external pressure feedback
- Field-adjustable zero and span settings
- Comprehensive diagnostics: pressure transducer health, input signal health
- Linear and stable output characteristic
Applications:
- Steam turbine governor valve control
- Turbine speed and load control systems
- Industrial power generation turbines
- Cogeneration and process industry turbines
- Retrofit for legacy turbine control systems
