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How can Pneumatic Rotary Union & Rotary Joint solve rotation transmission problems?

Pneumatic Rotary Union & Rotary Joint is an electrical component responsible for connecting and transmitting current and signals from rotating objects. It can continuously rotate 360 ​​degrees and is used to transmit power, fluid pressure, etc. Some equipment also requires control signal sources, such as optical fiber signals and high-frequency signals, which can also be integrated into the pneumatic rotary joint.


This type of joint is a series of products specially designed for pneumatic control. It has the advantages of small size, light weight, and low friction torque. It uses balanced sealing and friction combination materials, and selects various combinations of impregnated graphite, bronze, tungsten carbide, and silicon nitride. These designs are strong enough to withstand the impact of rust, scale, debris and other impurities on the sealing surface, ensuring a more reliable seal. The usage conditions include air or compressed air as the medium, the maximum speed is 1200 rpm, the maximum temperature is 80 degrees, and the maximum pressure is 2.0MPa.

Pneumatic Rotary Union & Rotary Joint


The main function of the rotary joint is to input the fluid medium from the stationary pipe to the rotating or reciprocating equipment and discharge it from the rotary joint. It has two precision bearings inside, which ensure smooth and long-lasting operation, are strong and flexible, and have a small friction coefficient, so it can operate at high speed. The sealing surface and sealing ring are made of special materials, which are wear-resistant, long-life, corrosion-resistant and leak-proof. When the internal seal is worn, it can be known visually, thereby preventing mechanical shutdown or damage, achieving preventive effects and reducing losses.


Pneumatic Rotary Union & Rotary Joint are widely used in many fields. They solve many rotation transmission problems with their high efficiency, flexibility and durability.

Pneumatic Rotary Union & Rotary Joint is a pipe connection device whose characteristic is that the connected pipes can rotate relative to each other. This kind of joint can be used to transmit various media such as gas, liquid, oil and so on. Its compact design allows efficient integration into customer equipment. The rotary joint is a closed rotary connector that transmits media through 360° rotation, which has the continuity and efficiency of transmitting media.


1. Solve the problem of rotation transmission:

Pneumatic rotary joints and rotary joints have the following functions in solving rotation transmission problems:
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(1) Achieve continuous transmission of media: Whether in a static or dynamic environment, the rotary joint can ensure the continuous transmission of media and avoid the problem of reduced production efficiency caused by interruption of media transmission.

(2) Withstand harsh environments: Both pneumatic rotary joints and rotary joints have strong environmental adaptability and can work in harsh environments such as high temperature, low temperature, strong corrosion, etc., ensuring the safe and stable operation of the equipment.

(3) Reduce maintenance costs: Pneumatic rotary joints and rotary joints have high wear resistance and long service life, which reduces the frequency of replacement and repair, thereby reducing maintenance costs.

(4)Improve production efficiency: Because pneumatic rotary joints and rotary joints can achieve continuous transmission of media and can work in harsh environments, they can improve production efficiency.


In short, Pneumatic Rotary Union & Rotary Joint solve many rotation transmission problems with their high efficiency, flexibility and durability. They are widely used in metallurgical machinery, road rolling machinery, paper making machinery, construction machinery and other industries, providing services to all walks of life. The production process provides strong support.

FAQ questions:

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2.  How to fix and install pneumatic rotary joints?
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