How does a hydraulic rotary joint work?

Home > Blog > Rotary Joints > How does a hydraulic rotary joint work?
Hydraulic Rotary Joint Work

If you think about a hydraulic rotary joint in hydraulic systems, then these components play an important role in the industrial environment. They transfer hydraulic fluid from a stationary source to a rotating part.

This union allows a rotating part to spin and move and it lets the hydraulic fluid pass through it. Hydraulic oil rotary union manufacturers in india make a variety of unions, the important and useful tools in various applications across industries.

What are Hydraulic Rotary Unions?

Hydraulic rotary unions are devices specifically designed to transfer hydraulic fluid from a stationary source to a rotating piece of equipment such as a shaft or spindle.

The tools are used in applications where you want the hydraulic fluid to be kept isolated from other fluids, e.g., water and air. It also avoids mechanical contamination.

Hydraulic rotary joints manufacturers make various varieties of rotary unions typically made from metal and plastic components. They are designed to offer robust and reliable performance.

As far as the composition of the internal components of the device is concerned, they typically consist of two rotary union seals, a stationary seal, and a rotating seal.

They allow the passage of the hydraulic fluid but keep the other fluids or contaminants out. The stationary seal is connected to the stationary source of the hydraulic fluid.

The rotating seal is connected to the rotating equipment.

This hydraulic rotary union also includes a bearing assembly, which allows the rotating seal to constantly be in contact with the stationary seal when the equipment rotates.

It also prevents any damage to the seals and allows the hydraulic fluid to transfer safely and smoothly.

Hydraulic rotary unions are used in a wide variety of applications, e.g., industrial equipment, medical devices, and the automotive industry.

This component is designed to handle all types of pressures and temperatures.

This is the reason you can find it a wide spectrum of a variety of sizes, materials, and configurations.

As said before, the rotary unions for hydraulic oil are very useful components in several industries, they are always in high demand. Therefore, you need to ensure their quality before ordering the same. Always buy material from reliable suppliers.

Whether you need it for an automobile unit, an aircraft, a pharma unit, or a food industry, the quality and precision of a hydraulic rotary joint are important. So, compare the products carefully before making a decision.

Also Read: Where are rotary joints used?

© Copyright 2025 by Roto-Flow. All rights reserved.

    Enquiry Now