What is a selector?
The selector or control valve is responsible for regulating the flow and pressure of fluids. The selector helps to cut off and connect the flow and regulates the pressure of fluids well. The selector or excavator control valve also easily prevents the return of fluids into the system and increases the safety of pressurized devices.
The main structure of the excavator selector includes the body, the column, and various internal mechanical parts. The valve body is produced from various materials, including pressure and heat-resistant steels. The column acts as the moving part of these valves and regulates the flow of materials by changing its position.
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Excavator Selector Function
Excavator selectors (control valves) are used in various industries, including oil, gas, petrochemical, and process industries, due to their precise performance, stability under various pressure and temperature conditions, and high reliability. Maintenance and repair of these valves are of great importance in order to maintain optimal performance and prevent errors.
Excavator control valves are produced in different types and with different functions, each of which is designed to control one or more excavator movements. In general, excavator control valves can be divided into two main categories:
Types of excavator selectors (control valves)
Hydraulic selector: These valves are used to control the flow of hydraulic oil in the excavator’s hydraulic system. By receiving a signal from the operator, they change the flow of hydraulic oil to the jacks and hydraulic motors.
Electronic selector: These valves are used to control the movement of excavator components using electronic signals. They control the movement of excavator components by receiving a signal from the excavator’s computer.
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How the excavator selector works
The way the excavator selector works is actually such that the flow rate of fluids in the system is well controlled and adjusted when necessary. Also, due to the high power of the pump, a lot of force enters the fluid flow path, which the control valve is responsible for controlling this force. The selector has a movable ferromagnetic core that plays an effective role in the operation of the device. The operation of this type of ferromagnetic core is such that it also helps to create a magnetic field by using a solenoid and generating an electric current.
Structure constituting the types of selectors
Direction selector: Directional control valves are responsible for controlling the direction of fluid flow and determining their path. These valve models are designed in various types, including one-way and multi-way, and each is used in different conditions. On the other hand, directional control valves are selected for various purposes according to the type, inlet and outlet ports, and number of openings.
Pressure selector: This excavator control valve model is responsible for protecting the device against sudden changes in pressure and flow rate when the valve is opened and closed. The pressure control valve is also a good choice for high pressures.
Flow selector: Flow control valves are actually responsible for regulating the speed of the hydraulic motor and do this by changing the inlet and outlet flow rates of the system.
The excavator selector is an important component in the excavator hydraulic system that is responsible for controlling the flow of hydraulic oil to various components of the excavator. This component directs the flow of hydraulic oil to the desired components according to the position of the excavator control lever. For example, when we pull the excavator control lever forward, the selector directs the flow of hydraulic oil to the excavator arm and causes the excavator arm to move forward.
The selector in an excavator is the gear lever or controller for changing the state of the power transmission system (gearbox), which is used to adjust and select different modes of movement and operation in heavy machines such as excavators. This system helps the operator to correctly select the gears and various machine settings depending on the working conditions.
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Summary and conclusion
Excavator selector repair is a vital process in maintaining the optimal performance of industrial systems. By accurately diagnosing problems, opening and inspecting internal components, and making the necessary repairs, you can quickly improve the performance and durability of these components.
Careful maintenance and the use of appropriate tools are essential to achieving success in this process. Ultimately, periodic maintenance and repairs of excavator control valves play a very important role in increasing the durability and productivity of industrial systems and are considered an essential aspect of proper management of industrial equipment.
Kavir Machine Espadana Company
In addition to new machinery and parts, Kavir Machine Espadana Company also offers used road construction and mining machinery with warranty and after-sales service, which are as follows:
Everdigm hydraulic hammer, Loader, Excavator, Dump truck, Lift truck, Backhoe, Drill Wagon , Grader , Bulldozer and… , contact our experts at Contact .
Kavir Machine Espadana Company is registered in Isfahan Province with the purpose of importing road construction and mining machinery, and is also the only exclusive representative of Hyundai Everdigm Hydraulic Hammer in the entire country. The company’s management, relying on its decades of experience in the field of mining contracting and road construction and civil engineering projects, has expanded its activities in the field of importing and selling road construction and mining machinery, parts and related equipment. Therefore, realizing the lack of quality machinery in the country and despite problems such as sanctions and customs issues, we have started importing machinery directly from reputable global factories. In this regard, we can mention the signing of a cooperation agreement with Sumitomo Japan in 2003, which resulted in the import of the first series of Komatsu zero-ton machines to Iran. We hope that by relying on God Almighty and with the aim of achieving the satisfaction of our dear customers, we will be able to take our firm steps further for the prosperity of our dear Iran.
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