A double-nozzle flapper valve as the pilot stage; Good dynamic behavior; Low energy consumption; Easy adjustment
PerformanceSupply oil pressure(MPa):2~21Rated supply oil pressure(MPa):21Rated flow(L/min):400,500
Rated signal: ±10mA, ± 10V
Hysteresis(%):≤4Threshold(%):≤1Non linearity(%):≤±10Asymmetry(%):≤±10Pressure gain(%Ps/1%In):>30Internal leakage(L/min):≤4Null bias(%):≤±3Null shift of supply oil pressure(80-110%Ps)(%):≤±3Null shift of return oil pressure(0-20%Ps)(%):≤±2Null shift in temperature(-30~+150C)(%):≤±4Amplitude ratio with(-3dB)(Hz):≤30Phase lag with(-90°)(Hz):≥35Work temperature(C):-30~+100Net weight(kg):9.8
JIUJIANG ZHONGCHUAN INSTRUMENT CO.,LTD
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Three-stage Electro Hydraulic Servo Valve(QDY3)
