Woodward 2301D8273-140 Digital Control Valve with Enhanced Speed Interface

Product Brief Introduction The 2301D8273-140 is an enhanced digital electro-hydraulic control valve with an upgraded 8273-series speed interface, offering higher resolution speed processing and advanced diagnostic functions for prime mover control.
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Technical Specifications Valve: 2301D digital proportional, 15 gpm flow, 100–250 psi supply; speed interface: 2-channel, 10 Hz–25 kHz range, enhanced noise rejection; supply: 24 V DC ±10%; control resolution: 14-bit; operating temperature: -40 °C to +80 °C; enclosure: IP65 valve, IP20 electronics.

Functional Features Digital closed-loop position control; enhanced speed signal conditioning; advanced speed-based control algorithms; comprehensive self-diagnostics; auto-zero and auto-span calibration; speed loss and valve fault detection.

Application Scenarios High-performance engine governor systems, precision turbine speed control, high-resolution speed-based hydraulic actuation, critical rotating equipment control.

Performance Parameters Position accuracy: ±0.4% full scale; speed measurement accuracy: ±0.02%; step response time: < 80 ms; repeatability: ±0.2%.

Material Composition Ductile iron valve body, stainless steel precision spool, high-resolution digital controller, enhanced speed interface circuit, nitrile rubber seals.

Structural Characteristics Integrated valve and electronics assembly; enhanced processing module; standard hydraulic port pattern; shielded electrical connector.

Working Principle The enhanced digital controller processes high-resolution speed feedback, executes advanced control algorithms, and precisely positions the valve spool via closed-loop feedback, delivering accurate speed-governed hydraulic flow for prime mover control.




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