Woodward 9907-1199 CPC-II Current-to-Pressure Converter
Product Name: Woodward 9907-1199 CPC-II Current-to-Pressure Converter
Product Description: A precision electrohydraulic converter for hazardous (Zone 1) locations, designed to convert 4–20 mA signals into proportional hydraulic pressure. It provides reliable, accurate control of single-acting steam turbine valves with enhanced dynamic response.
Detailed content
Technical SpecificationsWoodward:
- 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: Rugged, explosion-proof aluminum
- Weight: 2.3 kg
- Certifications: ATEX, IECEx (Zone 1), CE
Functional FeaturesWoodward:
- Enhanced dynamics (ED) for fast and stable control
- Patented self-cleaning spool valve (resistant to 40 µm particles)
- Zone 1 certified for explosive gas atmospheres
- Linear output characteristic across full pressure range
- Built-in diagnostics and health monitoring
- Supports simplex (single) configurations
- Compatible with mineral and synthetic hydraulic oils
Applications:
- Steam turbine speed/load control in hazardous areas
- Oil and gas production facilities
- Petrochemical and chemical processing plants
- Industrial power generation
- Critical turbine control systems












