Shenzhen Senring Electronics Co., Ltd specialized in the production of 360° Rotating Slip Ring& Rotary Unions & Joints and customized services.
Capsule Slip Ring|Electrical Rotary Union|Slip Rings Supplier-Senring

Contact Us

E-mail:sales12@senring.cn
Phone:+86-755-29717812
Address:No.36 Xingda Road, Yanchuan Community, Yanluo Street, Bao'an District, Shenzhen Chat Now

How do pneumatic rotary unions work?

DATA:2024-05-11 23:34 CLICK:

Pneumatic rotary unions, also known as pneumatic rotary joints, are designed to transfer pressurized air or gas from a stationary source to rotating equipment. 

They work through the following process:


Inlet and Outlet Connections: Pneumatic rotary unions have inlet and outlet ports for the entry and exit of pressurized air or gas.


Sealed Chamber: Inside the rotary union, there is a sealed chamber that allows the transfer of pneumatic power while maintaining the rotation of the equipment.

 pneumatic rotary unions

Channels and Seals: As the rotary union rotates, channels within the unit align with fixed ports, allowing the passage of compressed air or gas. The seals within 

the rotary union maintain the pressure integrity during rotation.


Balanced Design: Pneumatic rotary unions are often designed with balanced seals and precision engineering to minimize friction and wear, ensuring efficient 

operation over time.


Application in Rotating Equipment: These rotary unions are commonly used in various rotating machinery such as indexing tables, packaging equipment, 

printing presses, and any other applications where pneumatic power needs to be transferred to components in motion.

 pneumatic rotary unions

Maintenance Considerations: Periodic maintenance, such as seal inspection and lubrication, is necessary to ensure longevity and optimal performance.


Overall, pneumatic rotary unions enable the continuous transfer of pressurized air or gas to rotating equipment, providing a reliable method for 

powering pneumatic components in rotational applications.



Pneumatic rotary unions are used to connect two pipes or tubes together.  They are typically used in high-pressure applications, such as oil and gas pipelines.  

The union consists of two parts: a male end and a female end.  The male end is connected to the pipe or tube on one end, and the female end is 

connected to the pipe or tube on the other end.  When the union is engaged, air is pressurized into the male end, which causes the female end 

to expand and form a seal with the male end.  This allows fluids to flow from one end of the pipe or tube to the other without leaking.


For more details on pneumatic rotary unions products, please view :https://www.senringslipring.com/products/153.html


FAQ questions:

1.How do you check Through hole slip rings?

2.What is the High frequence rotary joint used for?

3.How do I choose a through hole slip ring?

4.What causes a capsule slip rings to fail?

5.What is the principle of RF rotary joint?



Contact Us

Service hotline

+86-755-29717812

Phone:+86 18100274370

Email: sales12@senring.cn

ADDRESS:No.36 Xingda Road, Yanchuan Community, Yanluo Street, Bao'an District, Shenzhen

rotary union pneumatic_High Frequency Rotary Joint Slip Rings
WhatsApp contact

Copyright © 2010~2024 SENRING Electronics Co.,Limited 非商用版本 

Copyright © 2010~2024 SENRING Electronics Co.,Limited All rights reserved.

  FOLLOW US