Rexroth博世力士乐A4VG 系列40轴向柱塞变量泵产品样本资料.pdf

RE-A 92004/2020-03-30 Replaces: 09.2017 Axial piston variable pump A4VG Series 40 Americas ▶ High-pressure pump for applications in a closed circuit up to 7250  psi (500 bar) ▶ Size 110 … 280 ▶ Nominal pressure 6500 psi (450 bar) ▶ Maximum pressure 7250 psi (500 bar) ▶ Closed circuit Features Contents ▶ High power density owing to a very high pressure level Type code 2 ▶ Integrated auxiliary pump for boost and pilot oil supply Hydraulic fluid 6 ▶ Flow direction changes smoothly when the swashplate Working pressure range 7 Technical data 9 is moved through the neutral position HP – Proportional control, hydr., pilot-pressure related 12 ▶ High-pressure relief valves with integrated boost HW – Proportional control, hydr., mechanical servo 13 function HT – Hydraulic control, direct operated 15 ▶ With adjustable pressure cut-off as standard DA – Automatic control, speed related 16 ▶ Boost-pressure relief valve EP – Proportio