Industrial Hydraulics Hydraulic and Electronic Components

Индастриал Технолоджис www.ind-techno.com.ua +38 044 596 04 29Proportional, high-response and servo-valves102 Hydraulics Bosch Rexroth AGHigh-response directional valves, pilot operated, with electricalposition feedbackDetailed information:Type 4WRL: RE 29086Type 4WRL: RE 29087Type 4WRLE: RE 29088Type 4WRLE: RE 290891)At 100 bar2)Port diameter Ø50• Sizes NG10 to 35• Porting pattern according to DIN 24340 form A and ISO 4401• Control of the direction and magnitude of a flow• Use for force control, position control, velocity control and pressure control purposes• Pilot control valve and main stage are position-controlled• Characteristic curves with and without inflection• Integral electronics (OBE) for type 4WRLEType 4WRL and 4WRLESize 10 16 25 35 2)Operating pressure p maxbar 350 350 350 350Nominal flow Δp = 10 bar q V noml/min 55, 80 120, 200 370 1000Maximum hysteresis % 0.1 0.1 0.1 0.1FrequencyPhase response f Hz 45 45 50 20-90 °Operating voltage OBE U V 24 24 24 24Comm. value signal OBE U V ±10 ±10 ±10 ±10I mA 4 to 20 4 to 20 4 to 20 4 to 20Control electronics Type 4WRL...V Card, analog VT-VRRA1-527-20/V0/2STV,VT-VRRA1-527-20/V0/K40-AGC-2STVType 4WRL...E(W) Card, analog VT-VRRA1-527-20/V0/2STV,VT-VRPA1-527-20/V0/RTS-2STVHigh-response directional valves, pilot operated, with electricalposition feedback• Sizes NG10 to 25• Porting pattern according to DIN 24340 form A and ISO 4401• Control of the direction and magnitude of a flow• Use for closed-loop controls with high dynamics• Characteristic curves with and without inflection• Integral electronics (OBE)Industrial TechnologiesType 4WRVEDetailed information:RE 29077Size 10 16 25Operating pressure p maxbar 350 350 350Nominal flow Δp = 10 bar q V noml/min 55, 80 120, 200 370Maximum hysteresis % 0.1 0.1 0.1FrequencyPhase response f Hz 100 100 55-90 °Operating voltage OBE U V 24 24 24Comm. value signal OBE U V ±10 ±10 ±10