Home >> News >> News

How Does a Swivel Joint Work?

Nov. 16, 2021

Swivel Joint


Swivel Joints come in various shapes and sizes based upon the application and the environment where it goes through. While style consideration needs to be provided to outside elements, all the swivel joints have 2 primary components: a shaft as well as real estate.

The idea behind a swivel allows the shaft to rotate while the real estate remains fixed-ready. The shaft has actually pierced holes of varying size and also depth beginning with its leading surface area. Variable opening midsts, as well as markings, define the circulation path of fluid within the swivel. Via inner design, the fluid is performed the shaft right into and also out of the swivel joint.

The real estate system includes machined flow as well as grooves to assist in liquid transfer within the swivel and also protect against cross leakages. Phoned number markings are found on the real estate outer diameter surface area and also the same can be discovered on the leading surface area of the shaft.

These numbers specify where an individual would anticipate the fluid to move in/out in between shafts as well as real estate via the machined inner passages. A collection of very carefully selected inner elements are fitted between the shaft as well as real estate at specified locations. These include seals, breaks rings, O rings, wearings, tiny bearings in specific applications.

The choice of interior parts is of vital importance while designing a swivel joint as severe interest needs to be given to the tolerances as well as the inner layout of the real estate grooves. Failing to comply with the advised layout and also machining requirements leads to leaking elements.

The flow of power, as well as signals, are sometimes required for particular applications and industries. Slide rings can be incorporated with the swivel joint via passing electrical cable televisions within the hollow inner size of the shaft.


Exactly how to Select a Swivel Joint?


In contrast to various other rotary parts in the exact same industries, a swivel joint mostly endures interior loads while functional. This is a direct outcome of pressurized fluid flowing within its interior components. To pick an appropriate swivel joint, multiple influencing factors should be thought about.

The most influencing element on a swivel joint is the inner securing option between the shaft and also housing. Really precise tolerances have to be preserved during the machining phase to create the required grooves for seals as well as inner elements to be fit.

Seals, o-rings, use rings, and bearings are inserted within these internal grooves and have to be able to endure the pressures caused by the fluid Swivel joints are rated by the manufacturer regarding their recommended operating pressures, temperatures, and speeds.

These values are directly associated with the interior elements requirements, geometric machining tolerances, and type of liquid used the substantial layout as well as area factors to consider the need to be given for a swivel joint and its ports.

Based on application needs, a swivel joint might have up to 9 different ports to provide fluid with various flows. A greater variety of paths result in substantial dimension as well as product boost.

Swivel joints can be customized in dimension as well as port dimensions with respect to application requirements. Space constraints, lots requirements, task cycle, as well as environmental surroundings are all variables that are taken into consideration while choosing an appropriate part


We are a swivel joints supplier, please contact us if you need them.

Request a Quote
Contact Us
  • E-mail:
  • Tel.: +86 531 6786 8800
  • Phone: +86 178 0531 1377
  • 8-803 SD Steel New World Plaza, No. 61 South Industrial Road, 250101, Jinan Area of China (Shandong) Pilot Free Trade Zone