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Parker（派克）是全球知名的液压元件品牌，其液压产品种类丰富，涵盖多个类别，以下是一些常见的 Parker 液压产品：

液压泵：

柱塞泵：例如 PVP 系列轴向变量柱塞泵，具有高效、稳定的特点，可根据系统需求灵活地调节输出流量和压力，适用于对液压动力要求较高的工业设备和工程机械等领域。C 系列柱塞泵则以结构紧凑、功率密度高、灵活性和模块化设计等优势受到关注。

齿轮泵：Parker 的齿轮泵有较高的容积效率和机械效率，能够在中低压的液压系统中稳定运行，为系统提供可靠的液压动力。常用于一般工业机械、农业机械等设备的液压系统中。

叶片泵：具有噪声低、运行平稳等优点，适用于对工作环境噪声要求较高的场合，如数控机床、注塑机等设备的液压系统。

液压马达：

摆线马达：结构紧凑、体积小、重量轻，具有较高的扭矩输出，可在有限的空间内提供强大的动力，常用于小型工程机械、农业机械等设备。

轴向柱塞马达：如 F11 系列轴向活塞固定马达、V12 系列轴向活塞变量马达等，能够在高压下工作，具有较高的功率密度和效率，适用于对动力和速度控制要求较高的大型工程机械、船舶等设备。

液压阀：

换向阀：可改变液压油的流向，实现液压执行元件的正反向运动。例如 D1VW、D41VW 等系列的电磁换向阀，具有多种阀芯型式选项，能够满足不同类型的液压回路设计要求。

溢流阀：用于控制系统中的压力，当系统压力超过设定值时，溢流阀打开，将多余的液压油溢流回油箱，以保护系统的安全。

减压阀：可将系统中的高压油减压为所需的低压油，为特定的液压执行元件提供合适的工作压力。

节流阀：通过改变节流口的大小来控制液压油的流量，从而调节液压执行元件的运动速度。

液压接头：Parker 接头以体积小、压力等级高而著称，分为低压、中压和高压三个系列，有多种不同的形式可供选择，可适应不同的流体或环境条件。其卡套式管接头装配方便，被广泛应用于各行业的液压系统管路中。

液压软管：具有防腐、耐高温、抗拉强度高、柔韧性好等诸多性能，有一层至多层钢丝编织增强层，有低、中、高、超高三种压力等级，有轻、重两系列，公称通径在 3–32mm，可满足在普通环境及特殊环境下的使用。

仪表阀组：能够承受高达 6000psi 的压力，并且在 - 54 至 538°C 的温度范围内稳定运行，适应各种***工况。采用非旋转的下阀杆设计，减少阀杆与阀座的旋转摩擦磨损，延长阀门使用寿命。

液压蓄能器：可以储存液压能，在需要时释放，起到缓冲、吸收冲击、补充流量等作用，广泛应用于液压系统中，以提高系统的稳定性和可靠性。

Parker is a globally renowned brand of hydraulic components. Its hydraulic products are rich in variety and cover multiple categories. The following are some common Parker hydraulic products:

Hydraulic Pumps:

Piston Pumps: For example, the PVP series of axial variable displacement piston pumps are characterized by high efficiency and stability. They can flexibly adjust the output flow and pressure according to the needs of the system, and are suitable for industrial equipment and construction machinery with high requirements for hydraulic power and other fields. The C series piston pumps have attracted attention due to their advantages such as compact structure, high power density, flexibility, and modular design.

Gear Pumps: Parker&＃39;s gear pumps have high volumetric efficiency and mechanical efficiency, and can operate stably in medium and low-pressure hydraulic systems, providing reliable hydraulic power for the system. They are often used in the hydraulic systems of general industrial machinery, agricultural machinery, and other equipment.

Vane Pumps: They have the advantages of low noise and stable operation, and are suitable for occasions with high requirements for the noise of the working environment, such as the hydraulic systems of numerically controlled machine tools, injection molding machines, and other equipment.

Hydraulic Motors:

Orbital Motors: They have a compact structure, small size, and light weight, and have a high torque output. They can provide powerful power within a limited space and are often used in small construction machinery, agricultural machinery, and other equipment.

Axial Piston Motors: Such as the F11 series of fixed axial piston motors and the V12 series of variable axial piston motors, etc. They can work under high pressure, have high power density and efficiency, and are suitable for large construction machinery, ships, and other equipment with high requirements for power and speed control.

Hydraulic Valves:

Directional Control Valves: They can change the flow direction of the hydraulic oil to achieve the forward and reverse movement of the hydraulic actuators. For example, the electromagnetic directional control valves of the D1VW, D41VW, and other series have multiple valve core type options and can meet the design requirements of different types of hydraulic circuits.

Relief Valves: They are used to control the pressure in the system. When the system pressure exceeds the set value, the relief valve opens, and the excess hydraulic oil overflows back to the oil tank to protect the safety of the system.

Pressure Reducing Valves: They can reduce the high-pressure oil in the system to the required low-pressure oil and provide a suitable working pressure for specific hydraulic actuators.

Throttle Valves: They control the flow of hydraulic oil by changing the size of the throttle orifice, thereby adjusting the movement speed of the hydraulic actuators.

Hydraulic Fittings: Parker fittings are renowned for their small size and high pressure ratings. They are divided into three series: low pressure, medium pressure, and high pressure, and there are a variety of different forms available for selection, which can adapt to different fluid or environmental conditions. Its compression tube fittings are easy to assemble and are widely used in the pipelines of hydraulic systems in various industries.

Hydraulic Hoses: They have many properties such as corrosion resistance, high-temperature resistance, high tensile strength, and good flexibility. They have one to multiple layers of steel wire braided reinforcement layers, with three pressure ratings of low, medium, high, and ultra-high, and two series of light and heavy. The nominal diameter ranges from 3 to 32mm, which can meet the use in ordinary and special environments.

Instrument Valve Manifolds: They can withstand pressures of up to 6000 psi and operate stably within a temperature range of -54 to 538°C, adapting to various extreme working conditions. They adopt a non-rotating lower valve stem design, reducing the rotational friction and wear between the valve stem and the valve seat and extending the service life of the valve.

Hydraulic Accumulators: They can store hydraulic energy and release it when needed, playing roles such as buffering, absorbing impacts, and supplementing flow. They are widely used in hydraulic systems to improve the stability and reliability of the system.