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What are the three types of control valves used in hydraulic systems?

In the hydraulics system, there are many types of hydraulic valves that are fixed by different manufacturers as per the applications. Some hydraulic applications need only one valve, whereas some complicated hydraulic systems require two or more valves to perform its function. Here are some of the most commonly used valves in a hydraulic system with their functional details:

Direction Controlling Valves

Direction control valves are generally utilized to regulate the flow of fluids in the hydraulic system. This valve can start, stop, and change the fluid flow and also can control the fluid flow path. Because of this reason, the type of valves is also known as switching valves. The number of spool positions and the number of working ports can determine the function of a directional control valve. A directional control valve generally involves a minimum of two working ports and two spool positions. The most conventional directional controlling valve is a 4/3-way valve. As the name indicates, this valve has three spool positions and four working ports. The 2-way directional control valve is the most popular and simplest directional control valve that has two ports, which are known as inlet and outlet. A 3-way directional control valve has three working ports such as inlet, outlet, and exhaust. This valve is used in the single-acting cylinder, and the third functioning port can obstruct the movement of all ports.

Pressure Controlling Hydraulic Valve

The hydraulic pressure controlling valve helps to prevent bursting as well as the leakage of pipelines. Pressure control valves manage the pressure of the fluid moving in the pipe by removing the excess pressure. These valves have the ability to maintain the force which is manually reached by the operator. The different types of this valve are such as a series valve, counterbalance valve, hydraulic pressure relief valve, and pressure reducing valve. Pressure-control valves are extensively used in all hydraulic systems for better performance. These Valves help in different functions by managing system pressures at regulated levels to keeping a static pressure in a section of a circuit.

Hydraulic Flow Control Valve

The flow control valves are commonly used in the hydraulic system to control and regulate the flow of fluid or gas. Those valves can improve the performance of the hydraulic system. This valve takes fluid as input from one source and redirects it to the other two or more sources. Flow Control Valves regulate the velocity of an actuator by controlling the flow rate. Flow rate also defines the rate of energy that is transferred at any provided pressure in a system. Flow control valves will control pressure variations in the design and limit flow in the component in the hydraulic system. Flow control valves have types such as throttle valve, manifold mounted flow valve, and speed control valve. The flow divider is a different form of the flow control valve.

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What are the three types of control valves used in hydraulic systems?

by Piping Mart time to read: 2 min