Directional Control Valves: Types and Uses

Blog | May 8th, 2023

Directional control valves are devices used to regulate the flow and course of liquid in various systems. Anything with an engine or hydraulics, including tractors, automobiles, and irrigation systems, will be connected to one of these devices. So, you can find them virtually anywhere. Because of directed control valves, we can swiftly harvest food and construct homes safely.

What Function Do These Valves Serve?

Directional control valves are used to control fluid flow direction in a hydraulic system. They are typically used in conjunction with hydraulic actuators, which convert the hydraulic energy of the fluid into mechanical energy. These actuators are used in various applications, from industrial machinery to construction equipment and aerospace.

Directional control valves perform exactly what their name implies: they regulate the flow direction of valves. In reality, though, it is more complicated. Essentially, these valves regulate the liquid flow by repositioning an internal moving component called a spool or disc. When the spool rotates in either direction, it opens various channels or ports within the valve. This enables pressure to go through a system in a certain manner, such as by moving a piston or shaft. This is the operation of hydraulic systems.

Many categories

Many varieties of directional control valves exist for diverse machinery, equipment, and applications. In general, directional control valves can be categorised according to the following:

Quantity Of Ports

Depending on the number of ports inside a system, there are typically three major types. Two-way, three-way and four-way valves have distinct working positions allowing multiple movement channels.

Kind Of Reel

This is directly proportional to the number of ports on the valve. The spool is the device that opens and closes the ports, enabling liquid to travel through or stop it. The poppet spool, rotary spool, and sliding spool are distinct types of spools that function within various directional control valves.

Implementing Method

This refers to how the position of the valve is altered. This is accomplished manually with a lever or pedal, electrically with an electrical current, or mechanically with a spring or ball.

Which Sectors Utilise Directional Control Valves?

Any industry that employs hydraulic systems to operate machinery, including automobiles, tractors, assembly lines, energy generation, raw and processed materials, large-scale printers, maritime equipment, light industrial, and mining applications, requires directional control valves. Even when commuting to work, you will likely need a transmission system that requires a directional control valve. Their broad application in the contemporary building, agriculture, mining, and development fields makes them more desirable.

Indicators That They Require A Service

Frequent equipment inspections and routine maintenance on your assets will guarantee that your hydraulic systems are in excellent condition. But, if you see any of the following indicators, you may choose to do this service sooner rather than later.

Corrosion or erosion might develop over time, particularly if your system is exposed to the elements.Internal leakage can occur for various causes, such as the actuator not being properly set up, the internal parts not being calibrated correctly, or having worn out.This can be caused by incorrect maintenance, high vibration, or extreme pressure.

Abnormal Hydraulic Function

if you observe any equipment functioning strangely, you should immediately stop working and investigate the issue. If you are unclear about what to do, contact a technician.

Mobile Hydraulic Specialties Pty Ltd

Factory 89, 38-40 Popes Road
Keysborough, Victoria, 3173

Phone: (03) 9798-6511

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Contact Us

Mobile Hydraulic Specialties Pty Ltd

Phone: (03) 9798-6511
Address: Factory 89, 38-40 Popes Road, Keysborough, Victoria, 3173