Technical Specifications Valve section: 2301A analog proportional valve, 12 gpm, 100–250 psi supply; relay section: 4 SPDT relay outputs, 5 A at 250 V AC, 3 A at 30 V DC; supply voltage: 24 V DC ±10%; control input: 4–20 mA; operating temperature: -40 °C to +70 °C; enclosure: IP65 valve, IP20 relay module.
Functional Features Proportional hydraulic flow control; four galvanically isolated relay outputs; configurable limit and fault indication; zero and span valve adjustment; pressure-compensated performance.
Application Scenarios Turbine bypass valve control with position limits, engine fuel control with alarm outputs, industrial process valve monitoring, hydraulic system fault annunciation.
Performance Parameters Valve linearity: ±2% full scale; relay operate time: < 15 ms; repeatability: ±1% full stroke.
Material Composition Ductile iron valve body, stainless steel valve components, flame-retardant relay housing, silver cadmium relay contacts, nitrile rubber seals.
Structural Characteristics Stacked valve and relay module assembly; side electrical entry; standard hydraulic port pattern; common mounting footprint.
Working Principle The analog input signal proportionally positions the valve spool to control hydraulic flow. Internal position sensing triggers the four relay outputs at pre-programmed positions, providing discrete status, limit and fault signals to the control system.
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