Basic Information

Structure: Two-stage servo proportional valve, ServoJet pilot stage, low energy consumption, long service life, strong anti-pollution ability

Valve body: Steel, continuous 315 bar, peak 350 bar

Installation surface: ISO 10372-04 (P/T/A/B/X/Y oil ports)

Electrical: Integrated 24 Vdc (18–32 Vdc), analog command

Connector: Valve end socket C41156-421 (4-core), matching male connector C41153-421

Core performance parameters (typical values)

Rated flow: ~50 L/min (Δp=35 bar)

Working pressure: 315 bar (continuous), up to 350 bar

Response frequency: −3 dB ≈ 380 Hz, step response ≈ 1.8 ms

Hysteresis: <2.5%, zero drift: <0.8%/40°C (better than B version)

Coil current: ±150 mA rated

Temperature range: -29°C ~ +135°C

Protection: IP65 (with C4 connector)

Weight: Approximately 1.7 kg

Function and positioning

Closed-loop electro-hydraulic position/velocity/force control, high pressure + high precision + high response; integrated electronics simplifies system, reduces wiring; ServoJet pilot has strong anti-pollution ability and long service life; J/A version is suitable for high-pressure, high-dynamic, high-consistency industrial scenarios.

Matching accessories

Matching connectors: C41156-421 (valve end socket)/ C41153-421 (terminal male)

Sealing kit: NBR (standard)/FKM (high temperature / oil-resistant)

Installation flange, pressure measurement connector, servo-specific shielding wire

Typical applications

High-pressure injection molding / die-casting / blow molding machine closed-loop control

Metallurgical rolling mill, sheet finishing, tension control (high-pressure conditions)

High-frequency vibration table, fatigue test system, aviation simulator

Heavy-duty hydraulic press, forging equipment, extrusion production line

Wind power / hydropower servo system, ship rudder, construction machinery electro-hydraulic control