GrabCAD 模型信息
Two pump high-low unloading assembly - Model (YRGJLANAE). · 模型 309365
This assembly allows the smooth unloading of a low-pressure / high-flow pump in a 2 pump high-low system. This type of system utilizes the flow of 2 pumps to provide rapid speed to an actuator. Once resistance is encountered, and the requirement switches from high speed to high force / torque, then the low-pressure / high-flow pump is unloaded back to tank at minimum pressure and all the available horsepower is directed to the high-pressure / low-flow pump. This assembly also provides a system relief valve. The counterbalance valve in this assembly is not acting as a counterbalance valve; it is acting as a pressure sensitive unloading valve. The setting, however, relates to the counterbalance world. With the CB*A set at 4000 psi (280 bar), the circuit will start to unload with about 1000 psi (70 bar) of pressure and will fully unload somewhere above 1400 psi (90 bar). Turn adjustment clockwise to decrease setting of the counterbalance valve. Backpressure at port 2 of the counterbalance valve adds to the effective relief setting at a ratio of 1 plus the pilot ratio times the backpressure. Counterbalance valve reseat exceeds 85% of set pressure when the valve is standard set. Settings lower than the standard set pressure may result in lower reseat percentages. Back pressure on the tank port (port 2) of the relief valve is directly additive to the valve setting at a 1:1 ratio.
- 格式
- Other、STEP / IGES、PTC Creo Elements、Rendering
- 分类
- Components、Industrial design、Machine design
- 标签
- twopumphighlow、highlowunloading、unloadingassembly、yrgjlanae、hydraulicassembly、hydrauliccontrols、industrialhydraulics、hydraulicpump、hydraulicengineering、hydraulicsystem、valvetechnology、industrialautomation、mobilehydraulics、hydraulicso
- 数据更新
- 2026-11-09T00:55:52Z
