Overview
The Woodward 9907-1200 CPC-II Current-to-Pressure Converter is an electrohydraulic control device designed for precise steam turbine valve positioning. It converts a 4–20 mA electrical control signal into a proportional hydraulic pressure output, helping regulate actuator movement and maintain accurate turbine speed and load control. It is suitable for industrial power generation and turbine control applications.
General Information
Part Number: 9907-1200
Brand: Woodward
Country of Origin: United States
Product Type: CPC-II Current-to-Pressure Converter
Application: Steam turbine valve control and electrohydraulic actuation
Main Function: Converts electrical current signals into hydraulic pressure
Pressure Range: 0–10 bar
Installation: Industrial turbine control system with compatible hydraulic connections
Power Specifications
Power Supply: 24 V DC nominal
Operating Voltage Range: 18–32 V DC
Maximum Supply Current: 1 A
Input Signal: 4–20 mA DC
Hydraulic Output: Proportional pressure control up to 10 bar
Communication & Interface
Control Input: 4–20 mA current demand signal
Hydraulic Connections: Supply, control output, and tank/drain ports
Pressure Feedback: Internal pressure sensing for closed-loop regulation
Service Interface: RS-232 connection for compatible service tools
System Integration: Designed for compatible turbine control systems and single-acting hydraulic actuators
Environmental
Operating Temperature: Refer to the manufacturer's specifications for the applicable installation conditions
Storage Temperature: Refer to the manufacturer's specifications
Humidity: Follow the specified environmental limits for reliable operation
Installation Environment: Industrial turbine control cabinet or suitable equipment area
Hazardous Area Rating: Class I, Division 2, Groups A, B, C, D; Zone 2 model
Hydraulic Fluid: Compatible mineral or synthetic hydraulic oil, subject to manufacturer recommendations
Dimensions & Weight
Dimensions (L × W × H): 358 × 282 × 105 mm
Weight: 24.49 kg
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