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Danfoss（丹佛斯）旗下的威格士（Vickers）液压产品种类丰富，主要包括以下几类：
液压泵：
柱塞泵：例如 PVQ 系列柱塞泵是直轴式变量泵，有多种规格，靠压力和控制变量，具有运行噪音低、工作灵活性高、耐久性长等特点，可使用多种类型的液压油工作；PVM 系列是轴向柱塞斜盘式变量泵，适用于开式回路，有多种可选的控制方式，能在多种液压油系统中工作，广泛应用于注塑机、采矿机械、冶金设备等行业。
叶片泵：有单联叶片泵和双联叶片泵。单联叶片泵在转子转一转过程中吸油压油各一次，为非平衡式泵；双联叶片泵的转子每转一转，每个密封工作腔完成吸油和压油动作各两次，属于平衡式叶片泵。其具有结构紧凑、噪音低等优点。
液压阀：
压力阀：可用于控制系统中的压力，确保系统在安全的压力范围内运行。
方向阀：例如电磁换向阀，常用电磁铁产生吸力推拉阀芯，从而控制液流的方向。
比例阀：能够根据输入的电信号连续地、成比例地控制液压系统中的流量、压力等参数，实现精确的控制。
液控单向阀：可以在工作管路中提供液控单向功能，控制供油来自对面工作管路。
液压马达：适用于如钻井机械、顶驱装置和船用绞车等应用场景，具有低速高扭矩的特点，即使在恶劣的条件下也能提供平稳、持续的动力。
液压缸：Danfoss 威格士提供世界上范围最广的标准和定制设计的液压缸，能够在最恶劣的工作条件和最艰巨的作业中表现出色，适用于海上钻井平台、钢铁厂、桥梁和水电闸门等应用。
Vickers, a brand under Danfoss, offers a rich variety of hydraulic products, mainly including the following categories:
Hydraulic Pumps:
Piston Pumps: For example, the PVQ series piston pumps are straight-axis variable displacement pumps with various specifications. They rely on pressure and control for variable displacement, and have characteristics such as low operating noise, high working flexibility, and long durability. They can operate with various types of hydraulic oil. The PVM series are axial piston swash plate variable displacement pumps suitable for open circuits. They have multiple optional control methods and can work in a variety of hydraulic oil systems. They are widely used in industries such as injection molding machines, mining machinery, and metallurgical equipment.
Vane Pumps: There are single-unit vane pumps and double-unit vane pumps. In a single-unit vane pump, oil is sucked and pressurized once during each revolution of the rotor, and it is a non-balanced pump. In a double-unit vane pump, during each revolution of the rotor, each sealed working chamber completes the oil suction and pressurization actions twice, and it is a balanced vane pump. They have the advantages of compact structure and low noise.
Hydraulic Valves:
Pressure Valves: They can be used to control the pressure in the system, ensuring that the system operates within a safe pressure range.
Directional Valves: For example, in an electromagnetic directional control valve, an electromagnet is commonly used to generate a suction force to push and pull the valve core, thereby controlling the direction of the liquid flow.
Proportional Valves: They can continuously and proportionally control parameters such as the flow and pressure in the hydraulic system according to the input electrical signals, achieving precise control.
Hydraulically Controlled Check Valves: They can provide a hydraulically controlled check function in the working pipeline and control the oil supply from the opposite working pipeline.
Hydraulic Motors: They are suitable for application scenarios such as drilling machinery, top drive systems, and marine winches. They have the characteristics of low speed and high torque, and can provide smooth and continuous power even under harsh conditions.
Hydraulic Cylinders: Danfoss Vickers provides the world's widest range of standard and custom-designed hydraulic cylinders, which can perform excellently in the harshest working conditions and the most arduous operations. They are suitable for applications such as offshore drilling platforms, steel mills, bridges, and hydropower sluice gates.
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