Direct acting high-frequency closed-loop proportional directional valve (with LVDT spool displacement feedback+OBE integrated amplification board)，R901396516 4WRPE10E80SJ-3X/M/24A1

1. Complete hydraulic technical parameters
Diameter specification: NG10 (ISO 4401-05 base plate installation, CETOP 05）
Valve core function: E-type three position four-way, center closed, fail safe center closed
Rated flow rate: 80 L/min (single throttling edge pressure difference Δ p=5bar)
Maximum working pressure: 350 bar (3X upgraded version, old 2X is 315 bar)
Allowable pressure for return oil: ≤ 100 bar
Valve core cover: SJ positive cover with damping buffer
Hydraulic medium: HLP/HL/HVLP anti-wear hydraulic oil, viscosity 10-1000 mm ²/s
Oil temperature range: -20 ℃ to+70 ℃
Sealing material: M represents NBR nitrile rubber seal
2. Electrical control parameters
Power supply: DC 24V
Given command signal: A1 interface ± 10V analog voltage command
Feedback form: Built in LVDT valve core displacement closed-loop feedback, repeat accuracy<0.5%
Drive form: OBE onboard integrated amplifier, factory calibrated zero and gain
Electrical plug: 7-pin DIN industrial plug (6-pin+PE grounded), protection level IP65
Electromagnetic compatibility: CE certification, RoHS compliance
3. Summary of Performance and Size
Dynamic characteristics: High frequency response direct acting structure, dynamic response close to servo valve level, minimal hysteresis
Installation method: Bottom plate stacked installation, no need for pilot oil supply
Approximate dimensions: length 320mm x width 140mm x height 73mm