Industrial Hydraulics Hydraulic and Electronic Components

Индастриал Технолоджис www.ind-techno.com.ua +38 044 596 04 29Bosch Rexroth AG Hydraulics77 Proportional, high-response and servo-valvesProportional directional valves, direct operated, with electricalposition feedback• Sizes NG6 and 10• Porting pattern according to ISO 4401• Control of the direction and magnitude of a flow• Proportional solenoid operation• Spring-centered control spool• Different spool overlaps possible• Integral electronics (OBE) for type 4WREEType 4WRE and 4WREESize 6 10Operating pressure Ports A, B, P p maxbar 315 315Nominal flow Δp = 10 bar q V noml/min 8, 16, 32 25, 50, 75Maximum hysteresis% 0.1 0.1Step response 0 to 90 % T u+T gms 20 40Operating voltage OBE U V 24 24Comm. value signal OBE U V ±10 ±10I mA 4 to 20 4 to 20Control electronics Type 4WRE Card, analog VT-VRPA2-1 VT-VRPA2-24/3-way versionCard, digitalVT-VRPD-2Module, analog VT-MRPA2-1 VT-MRPA2-24/2-way version Card, analog VT-MRPA1-1 VT-MRPA1-2Proportional directional valves, direct operated, with integratedelectronics (OBE), electrical position feedback and spool positionmonitoring• Sizes NG6 and 10• Porting pattern according to ISO 4401• Control of the direction and magnitude of a flow• Proportional solenoid operation• Spring-centered control spool• Optional deadband compensationDetailed information:RE 29061Industrial TechnologiesType 4WREEMSize 6 10Operating pressure Ports A, B, P p maxbar 315 315Nominal flow Δp = 10 bar q V noml/min 4, 8, 16, 32 25, 50, 75Maximum hysteresis% ≤0.1 ≤0.1Step response 0 to 90 % T u+T gms 20 40Operating voltage OBE U V 24 24Comm. value signal OBE U V ±10 ±10Detailed information:RE 29064