
零件号 | 产品名称 | 产品作用 | 适用设备型号 |
8E9894 | 分配阀 | 控制液压油流动的方向、压力和流量,驱动平地机执行特定动作,如铲刀的升降、倾斜、偏转,以及前轮的转向等 | 多种卡特平地机 |
1753893 | 电磁阀 | 通过电磁力控制液压油的流向等 | 卡特 120H 等型号的平地机 |
3239531 | 电磁阀 | 同 1753893 类似 | 卡特 120H、140H、160H 等型号的平地机 |
2478541 | 方向控制阀 | 控制液压油的流向,改变平地机铲刀等执行部件的运动方向 | 卡特 135H、140K 等型号 |
2584439 | 流量控制阀 | 调节液压油的流量,控制平地机执行元件的运动速度 | 卡特 120K、160K 等型号平地机 |
2678541 | 方向控制阀 | 控制液压油流向来改变平地机部件运动方向 | 卡特 140H、160H 等型号 |
2713365 | 比例控制阀 | 根据输入信号大小成比例地控制液压油的流量、压力等参数,用于精确动作控制 | 卡特 120H、140K 等型号平地机 |
2824488 | 压力补偿阀 | 在液压系统中保持压力稳定,补偿因负载变化等因素引起的压力波动 | 卡特 135H、140H 等型号平地机 |
2937754 | 梭阀 | 选择液压系统中不同油路的压力信号或油流 | 卡特 120K、160K 等型号的平地机液压系统 |
3015672 | 先导阀 | 控制主阀的开启和关闭,实现对液压系统的远程控制或先导控制 | 卡特 140K、160K 等型号 |
3172246 | 平衡阀 | 平衡卡特平地机液压系统中执行元件的负载,防止因负载变化而导致的动作不稳定 | 卡特 120H、140H 等型号 |
3316688 | 节流截止阀 | 兼具节流和截止功能,既可以调节液压油流量,又能在需要时完全切断油路 | 卡特 135H、140K 等型号平地机 |
3457792 | 单向节流阀 | 允许液压油单向流动,并在一个方向上实现流量调节 | 卡特 120K、160H 等型号平地机的特定液压回路 |
3689541 | 液控单向阀 | 通过液压信号控制单向阀的开启和关闭,实现执行元件的保压或锁止功能 | 卡特 140K、160K 等型号平地机 |
3824466 | 多路换向阀 | 集成多个换向阀的功能,可同时控制多个液压执行元件的动作 | 卡特 120H、140H 等多种型号平地机 |
4012288 | 电磁换向阀 | 利用电磁力控制阀芯的移动来改变液压油的流向,用于液压系统自动化控制 | 卡特 135H、140K 等型号平地机 |
4153377 | 手动换向阀 | 通过手动操作来切换液压油的流向,控制平地机的相关动作 | 卡特 120K、160H 等型号 |
4326699 | 压力继电器 | 当液压系统压力达到设定值时发出电信号,用于液压系统保护或控制 | 卡特 140K、160K 等型号平地机 |
4567788 | 溢流阀 | 在液压系统中稳定压力,当系统压力超过设定值时,溢流阀开启,将多余的油液流回油箱 | 卡特 120H、140H 等型号平地机 |
4798844 | 减压阀 | 将液压系统中的高压降低到所需的低压,为特定的液压元件或回路提供稳定的低压油源 | 卡特 135H、140K 等型号 |
Part Number | Product Name | Product Function | Applicable Equipment Models |
8E9894 | Distribution Valve | Controls the direction, pressure, and flow rate of hydraulic oil, and drives the motor grader to perform specific actions, such as the lifting, tilting, and deflection of the blade, as well as the steering of the front wheels | Various Caterpillar motor graders |
1753893 | Solenoid Valve | Controls the flow direction of hydraulic oil through electromagnetic force, etc. | Caterpillar 120H and other models of motor graders |
3239531 | Solenoid Valve | Similar to 1753893 | Caterpillar 120H, 140H, 160H and other models of motor graders |
2478541 | Direction Control Valve | Controls the flow direction of hydraulic oil to change the movement direction of the blade and other actuators of the motor grader | Caterpillar 135H, 140K and other models |
2584439 | Flow Control Valve | Adjusts the flow rate of hydraulic oil to control the movement speed of the actuators of the motor grader | Caterpillar 120K, 160K and other models of motor graders |
2678541 | Direction Control Valve | Controls the flow direction of hydraulic oil to change the movement direction of the components of the motor grader | Caterpillar 140H, 160H and other models |
2713365 | Proportional Control Valve | Proportionally controls the flow rate, pressure, and other parameters of hydraulic oil according to the size of the input signal, and is used for precise motion control | Caterpillar 120H, 140K and other models of motor graders |
2824488 | Pressure Compensation Valve | Maintains pressure stability in the hydraulic system and compensates for pressure fluctuations caused by factors such as load changes | Caterpillar 135H, 140H and other models of motor graders |
2937754 | Shuttle Valve | Selects the pressure signals or oil flows of different oil circuits in the hydraulic system | Hydraulic systems of Caterpillar 120K, 160K and other models of motor graders |
3015672 | Pilot Valve | Controls the opening and closing of the main valve to achieve remote control or pilot control of the hydraulic system | Caterpillar 140K, 160K and other models |
3172246 | Balance Valve | Balances the load of the actuators in the hydraulic system of the Caterpillar motor grader to prevent unstable actions caused by load changes | Caterpillar 120H, 140H and other models |
3316688 | Throttle Stop Valve | Has both throttling and cut - off functions, can adjust the flow rate of hydraulic oil and completely cut off the oil circuit when needed | Caterpillar 135H, 140K and other models of motor graders |
3457792 | One - way Throttle Valve | Allows hydraulic oil to flow in one direction and realizes flow rate adjustment in one direction | Specific hydraulic circuits of Caterpillar 120K, 160H and other models of motor graders |
3689541 | Hydraulically Controlled One - way Valve | Controls the opening and closing of the one - way valve through hydraulic signals to achieve the pressure - maintaining or locking function of the actuator | Caterpillar 140K, 160K and other models of motor graders |
3824466 | Multi - way Directional Control Valve | Integrates the functions of multiple directional control valves and can simultaneously control the actions of multiple hydraulic actuators | Caterpillar 120H, 140H and other various models of motor graders |
4012288 | Electromagnetic Directional Control Valve | Controls the movement of the valve core through electromagnetic force to change the flow direction of hydraulic oil, and is used for the automated control of the hydraulic system | Caterpillar 135H, 140K and other models of motor graders |
4153377 | Manual Directional Control Valve | Switches the flow direction of hydraulic oil through manual operation to control the related actions of the motor grader | Caterpillar 120K, 160H and other models |
4326699 | Pressure Relay | Sends an electrical signal when the pressure in the hydraulic system reaches the set value, and is used for the protection or control of the hydraulic system | Caterpillar 140K, 160K and other models of motor graders |
4567788 | Relief Valve | Stabilizes the pressure in the hydraulic system. When the system pressure exceeds the set value, the relief valve opens and returns the excess oil to the oil tank | Caterpillar 120H, 140H and other models of motor graders |
4798844 | Pressure Reducing Valve | Reduces the high pressure in the hydraulic system to the required low pressure and provides a stable low - pressure oil source for specific hydraulic components or circuits | Caterpillar 135H, 140K and other models |

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