Woodward 9907-1197 CPC-II Current-to-Pressure Converter
Product Name: Woodward 9907-1197 CPC-II Current-to-Pressure Converter
Product Description: A high-performance, explosion-proof (Zone 1) electrohydraulic converter from the CPC-II series. It converts 4–20 mA control signals to hydraulic pressure for single-acting steam turbine valves, offering enhanced dynamics and ultra-high precision in critical, hazardous environments.
Detailed content
Technical Specifications:
- Supply Voltage: 18–32 VDC
- Input Signal: 4–20 mA (isolated)
- Output Pressure Range: 0–25 bar (0–363 psi)
- Supply Pressure: 28–30 bar (406–435 psi)
- Accuracy: ±0.15% of full span
- Response Time: 75 ms
- Operating Temperature: -40°C to +95°C
- Housing: Marine-grade aluminum, epoxy coated
- Weight: 2.35 kg
- Certifications: ATEX, IECEx (Zone 1), SIL-2, CE
Functional FeaturesWoodward:
- Enhanced dynamic performance for high-speed response
- “Dirt Buster” technology for superior oil contamination resistance
- Explosion-proof design for Zone 1 hazardous areas
- Advanced temperature compensation for wide environmental ranges
- Redundant input signal capability
- Integrated pressure transducer with diagnostics
- Field-calibratable zero and span
Applications:
- Steam turbine control in oil & gas refineries
- Offshore platforms and FPSOs
- Petrochemical and chemical plants
- Power generation in hazardous areas
- Critical process steam systems












