Rotary Union Coupling
As a key mechanical component, rotary joints are mainly used to transmit various media while machine components rotate, ensuring that the media can continuously flow between two fixed surfaces that rotate relative to each other.
Rotary Union Coupling
As a key mechanical component, rotary joints are mainly used to transmit various media while machine components rotate, ensuring that the media can continuously flow between two fixed surfaces that rotate relative to each other. The specific requirements of the rotary joint for the transmitted medium can be elaborated in detail from the following aspects:
1. Media type
Rotating joints are widely used in various media, including but not limited to water, steam, thermal oil, compressed air, hydraulic oil, lubricating oil, coolant, ethylene glycol, cutting fluid, edible oil, kerosene, and other special chemical solvents. Each medium has specific physical and chemical properties, such as viscosity, corrosiveness, purity, flash point, boiling point, etc. The design and material selection of rotary joints must adapt to these characteristics.
2. Temperature range
The design of rotary joints needs to consider the working temperature of the medium. Common rotary joints can adapt from room temperature to high temperature (such as 300 degrees Celsius or even higher), but it is necessary to ensure that the internal sealing components and structural materials of the joint can work stably within the corresponding temperature range without deformation or damage.
3. Pressure level
Rotating joints need to withstand media transmission of different pressure levels. For high-pressure systems, joints need to have sufficient strength and tight sealing performance to prevent leakage under high pressure.
4. Cleanliness requirements
The solid particles or impurities contained in the medium may accelerate the wear of the internal sealing surface of the rotary joint and reduce the service life of the joint. Therefore, in some applications, such as conveying liquid media, it is necessary to equip a suitable filtration system to ensure that the media meets a certain cleanliness standard.
5. Chemical compatibility
For media with chemical corrosion, the contact material of the rotary joint must have good corrosion resistance to avoid joint failure caused by chemical reactions.
6. Flow rate and flow rate
The size and design of the rotary joint should also take into account the flow rate and flow requirements of the medium, to ensure that the equipment can smoothly transport the medium during normal operation.
In summary, when selecting a rotary joint, it is necessary to comprehensively consider the above factors to ensure that the rotary joint matches the actual medium and working conditions used, in order to ensure the efficient, safe, and stable operation of the equipment. At the same time, in order to extend the service life of the rotary joint, regular maintenance and timely replacement of vulnerable parts are also necessary to ensure the cleanliness and smoothness of the entire system.
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