Rexroth proportional valve 0811404801 in stock

NegotiableUpdate on 01/22

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Overview

The movement of the valve core of the Rexroth proportional valve is controlled by a proportional solenoid, which makes the output pressure or flow rate proportional to the input current. So the pressure and flow can be continuously controlled by changing the input electrical signal. Some valves also have the function of controlling the size and direction of flow. According to their functions, Rexroth proportional valves can also be divided into three categories: pressure valves, flow valves, and directional valves.

Product Details

Rexroth proportional valve 0811404801 in stock

The thread of REXROTH proportional valve fixes the electromagnetic proportional insert to the components on the oil circuit integrated block. The spiral insert valve has the characteristics of flexible application, pipeline saving, and low cost. In recent years, it has been widely used in construction machinery. Commonly used spiral plug-in proportional valves include two-way, three-way, four-way, and multi way forms. The two-way proportional valve is mainly a proportional throttle valve, which often forms a composite valve with other components to control flow and pressure; The three-way proportional valve is the main proportional pressure reducing valve, which is also widely used in mobile mechanical hydraulic systems. It mainly operates the pilot oil circuit of the hydraulic operated multi way valve. The use of three-way proportional pressure reducing valves can replace traditional manual pressure reducing pilot valves, which have more flexibility and higher control accuracy than manual pilot valves. A proportional servo controlled manual multi way valve can be made as shown in Figure 1. With different input signals, the pressure reducing valve enables the output piston to have different pressures or flow rates, thereby achieving proportional control of the displacement of the multi way valve core. Four way or multi way spiral plug-in proportional valves can achieve independent control of the working device.

Generally speaking, the ReXROTH proportional valve from Germany is a slide valve structure similar to a directional valve, except that the valve core is not driven by an electromagnet, but by the hydraulic pressure output from the pre stage valve. This is similar to the electro-hydraulic directional valve, except that the pre stage valve of the electro-hydraulic directional valve is an electromagnetic directional valve, while the pre stage valve of the servo valve is a nozzle baffle valve or jet pipe valve with good dynamic characteristics.

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Rexroth proportional valve 0811404801 in stock