Rotary Joint

20 Years of focus on Hydraulic Valve Field

Shandong Yikaide Hydraulic Co., Ltd., a high-end intelligent precision hydraulic key component manufacturer, has more than 100 sets of high-end intelligent equipment and 8,000 square meters of high-tech factory buildings, and is committed to high-end intelligent manufacturing.

Your Professional Yikaide Manufacturer!

As a professional manufacturer in the field of hydraulic transmission, Shandong Yikaide Hydraulic Co., Ltd. has been deeply engaged in the research and development and production of hydraulic valve technology for 20 years, and has a complete industrial chain from design, casting to assembly. With rich industry experience, we have established long-term cooperation with well-known machinery brands such as Zoomlion, Rhino Heavy Industry, Kenshi Heavy Industry, Danfoss, etc., and our products are widely used in engineering machinery, agricultural equipment and industrial automation.

Unlike traditional suppliers, we are not only a producer of standardized hydraulic valves, but also a provider of customized solutions. We control the whole process from material selection to performance optimization to ensure that the product is perfectly matched with your equipment.

Choose us, you will get:
✅ 20 years of technology accumulation, mature hydraulic valve solution library
✅ Customized solutions are issued in 2 weeks, and proofing is done in 45 days
✅ Full process quality control, 100% pressure testing before leaving the factory

First 12 3 4 5 6 7 Last 1/8

What is hydraulic rotary joint

A rotary joint is a device that enables the transfer of media from a stationary source to a rotating source without cross contamination or leakage.

A rotary joint allows for the movement of a fluid media (oil, coolant, water, etc) from a stationary device (a sink, an oil tank, a vat, etc) to a moving device (an engine, propeller, turbine, etc). This works when you secure the input valve to the stationary media source and attach= the rotating machine to the outlet valve. This rotates concurrently with the machine while in operation, which provides a constant fluid transfer. If operated within its appropriate use, you can see years of uninterrupted media transferring service.

A rotary joint is also referred to as a rotating joint, rotary joint, swivel joint, or a swivel joint depending on the type of environment the device is required for. They all function the same way.

Rotary unions come in many shapes, sizes, and configurations depending on the type of use the device will experience. With these varying compositions, they all have two things in common: a shaft and a housing unit. The shaft is the component that carries the media through the rotary union to its final destination. The housing unit is the component that keeps the rotary union and the media transfer intact. Other common components include seals, bearings, retaining rings, and O rings. This depends on how complex the media and type of environment the rotary union will be used in.

Rotary unions can vary in size and complexity. Because of this, they can be made with more than one passage to provide multiple types of media transfer within a single device. These types of rotary unions can handle various pressure and rotational speeds. Typically, the larger number of passages, the lower speed and pressure it can handle.

About the hydraulic rotary joint

Function

Hydraulic rotary joints act as a conduit for hydraulic fluids, connecting a stationary pipe or fitting to a rotating component.

Application

They are commonly used in applications where hydraulic power needs to be supplied to a rotating part, such as in excavators, wind turbines, and various industrial machinery.

Mechanism

The joint utilizes seals and bearings to maintain a tight connection and prevent fluid leakage as the rotating part moves.

Types

Hydraulic rotary joints can be single-path or multi-path, allowing for the transfer of one or multiple hydraulic fluids simultaneously.

Benefits

They ensure smooth and reliable fluid delivery, even at high pressures and speeds, preventing potential leaks and damage.

Advantage of hydraulic rotary joint

Elimination of Hose Issues

Rotary joints replace complex hose setups, preventing kinks and wear caused by continuous rotation.

Enhanced System Flexibility

They allow for the movement and rotation of machinery components while simultaneously supplying hydraulic power.

Improved Operational Efficiency

By minimizing downtime and maintenance needs, rotary joints contribute to increased productivity.

Sealed and Reliable Fluid Transfer

They ensure a sealed pathway for fluid flow, even during rotation, preventing leaks and maintaining fluid integrity.

Reduced Maintenance

The durable design and reliable sealing of rotary joints minimize maintenance requirements and extend the lifespan of the machinery.

Customization and Versatility

Rotary joints can be customized to meet specific operational needs, accommodating various pressures, speeds, and temperatures.

Types of hydraulic rotary joint

Hydraulic Rotary Joint

Feature	Hydraulic Rotary Joint
Core Function	Fluid transfer (hydraulics)
Media Transmitted	Hydraulic fluids
Electrical Components	None (or minimal)
Typical Applications	Heavy machinery, hydraulics

Electric-Hydraulic Rotary Joint

Feature	Electric-Hydraulic Rotary Joint
Core Function	Fluid transfer & electrical transmission
Media Transmitted	Hydraulic fluids & electrical signals/power
Electrical Components	Slip rings or other electrical components
Typical Applications	Aerial vehicle, spider crane

application of hydraulic rotary joint

Heavy Machinery

Construction and Mining:

.Opens in new tab

Excavators, cranes, and other heavy machinery use hydraulic rotary joints to transfer fluid to rotating components for lifting, digging, and other operations.

Agriculture:

.Opens in new tab

Tractors and combine harvesters utilize these joints for hydraulic functions like steering, drive, and implement operation.

Industrial Applications

Manufacturing:

Machine tools, presses, punching machines, and injection molding machines employ rotary joints for hydraulic clamping and drive systems.

Wind Power:

Wind turbines rely on hydraulic rotary joints to adjust rotor blade pitch and brake systems, optimizing performance and safety.

Marine and Offshore:

Ships and drilling rigs utilize these joints for winches, cranes, and other deck equipment control.

Food Processing:

Rotary joints are used in various equipment like cooling conveyors, flaking mills, and shredders.

Other Applications

Rotating Filtration and Processing: Wastewater treatment plants use rotary joints for efficient fluid transfer in rotating filtration units.

Robotics: Robots utilize rotary joints for hydraulic actuators.

Medical: Medical imaging machines use them for fluid transfer.

Our current swivel joints are mainly used in heavy machinery, ships and offshore.

How To Cooperate With Us?

Send Us the Size

We kindly request that you provide us with detailed dimensions of the valve you need, including oil thread,length, width, height.

Drawing Design

For customized products, we will make precise 3D design drawings based on your description and product requirements.

Contact Details

Email: sales2@yikde.com

Tel: +86 15763769809

What is a hydraulic rotary joint?:A rotary joint, also referred to as a rotary union or rotating union, is a rotary sealing device that connects rotating equipment to fixed piping for the transfer of hydraulic oil,and other media. Transferring media without leaks requires the proper sealing technology.

How does a hydraulic swivel joint work?: Swivel joints in an excavator allow hydraulic fluid to move from fixed areas to oscillating or rotating parts. The coupling ensures the connection between the fixed and rotating components is free of leaks. The swivel can have as many channels and orifices as needed to supply fluid to different components.

Different Types of Rotary Joints: Our current swivel joints range from 2 oil lines to 11 oil lines.

Shandong Yikaide Hydraulic Co., Ltd. is one of the most professional rotary joint manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to buy customized rotary joint made in China here from our factory.

Digger Swivel Center Assy Rotary Joint, 2 way Solenoid Valve, Rotary Joint For Grapple 4 WAY