Industrial Hydraulics Hydraulic and Electronic Components

Индастриал Технолоджис www.ind-techno.com.ua +38 044 596 04 29Pumps 18 Hydraulics Bosch Rexroth AGVariable displacement pumps (compact units)Detailed information:RE 921051)Variable displacementpump without auxiliarypump2)Pump with EP control andintegrated auxiliary pumpV g= Displacementp St= Pilot pressures = Actuator travelß = Angular position of the rotarypinU = Control voltageI = Control current• Sizes NG250 to 750• Axial tapered piston bent-axis design• Closed circuit• Series 3• Integrated boost pump and valve technology• Compact design• Through-drive and pump combination possible even with integrated auxiliary pumpType A4CSGSize 250 355 500 750Nominal pressure p Nbar 350 350 350 350Peak pressure p maxbar 400 400 400 400Displacement Variable displ. V g maxcm³ 250 355 500 750Integr. auxiliary V g Hcm³ 63 80 98 143pumpSpeed Max. speed n maxrpm 2200 2000 1800 1600Min. speed n minrpm 800 800 800 800Flow 1) at n maxq V maxl/min 550 710 900 1200Power Δp = 350 bar P maxkW 321 414 525 700Torque 1) Δp = 350 bar T maxNm 1391 1976 2783 4174Weight (ca.) 2) m kg 214 237 350 500Overview of control and adjustment devicesHM 1/2/3 (RE 92076)Hydraulic displacementcontrol, flow-relateds (ß)– V g max+ V g maxs (ß)HS/HS4 (RE 92076)Hydraulic displacementcontrol (servo-/proportionalvalve)U– V g max+ V g maxUMA (RE 92072)Manual controls (ß)– V g max+ V g maxs (ß)HD (RE 92080)Hydraulic control, pilotpressure-relatedEM (RE 92072)Electromotive controls (ß)– V g max+ V g maxs (ß)EP (RE 92084)Electrohydraulic displacementcontrol with proportionalsolenoidp St p StV g min V g maxV g min V g maxEO1/EO2 (RE 92076)Hydraulic displacementcontrol (proportional valve)U– V g max+ V g maxUIndustrial Technologies