Technical Specifications Supply voltage: 24 V DC ±10%; control input: 4–20 mA or Modbus RTU; hydraulic supply: 100–250 psi; flow rating: 15 gpm at 100 psi differential; pressure rating: 300 psi maximum; operating temperature: -40 °C to +80 °C; control resolution: 12-bit; enclosure: IP65.
Functional Features Integrated digital control electronics; closed-loop position control; fieldbus communication option; fault self-diagnosis; zero and span auto-calibration.
Application Scenarios Industrial process flow control, turbine bypass control, hydraulic system pressure regulation, engine fuel control valve.
Performance Parameters Control accuracy: ±0.5% full scale; response time: < 100 ms; repeatability: ±0.25%; internal leak rate: < 5% of full flow.
Material Composition Ductile iron valve body, stainless steel internal components, solenoid pilot stage, digital control module, sealed connectors.
Structural Characteristics Integrated valve and control electronics; flange process connections; top-mounted control module; electrical and hydraulic connections on side.
Working Principle On-board digital controller receives command signal, compares with internal spool position feedback, and adjusts the proportional valve spool position to deliver precise flow or pressure control.
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