Analysis of Materials And Application Scenarios of Rotary Joints

Rotating joints made of different materials are suitable for different working environments due to their unique physical and chemical properties.  The following is a detailed analysis of several common materials for rotary joints and their applicable working conditions:

1. Stainless steel rotary joint

characteristic:

①　Has good corrosion resistance and high temperature performance.

②　Smooth surface and easy to clean.

③　The material is sturdy and has a long service life.

Applicable working conditions:

①　Suitable for harsh environments such as the ocean and chemical industry, it can resist the erosion of corrosive media such as salt spray and acid alkali.

②　Suitable for high-temperature conditions, such as the transmission of media such as steam and thermal oil.

③　Widely used in applications that require high cleanliness and durability, such as food processing, pharmaceutical manufacturing, etc.

2. Copper rotary joint

characteristic:

①　Has good conductivity.

②　High stability at high temperatures.

③　But the price is relatively expensive.

Applicable working conditions:

①　Mainly used in electrical equipment and other fields, utilizing its good conductivity for the transmission and distribution of electrical energy.

②　It can also be used in some high demand situations, such as working conditions that require high conductivity and stability.

3. Aluminum alloy rotary joint

characteristic:

①　Has good thermal conductivity and wear resistance.

②　The material is lightweight, making it easy to install and transport.

Applicable working conditions:

①　Suitable for occasions that require heat dissipation or high strength requirements, such as mechanical equipment, automotive manufacturing, and other fields.

②　Especially suitable for working conditions with weight limitations or requiring good heat dissipation performance.

4. Polyurethane rotary joint

characteristic:

①　Has good elasticity and wear resistance.

②　Has certain corrosion resistance and can resist the erosion of various chemicals and solvents.

Applicable working conditions:

①　Widely used in industries such as food and healthcare, due to its non-toxic, odorless, and high safety performance.

②　Suitable for occasions that require frequent rotation and high sealing requirements.

5. PTFE rotary joint

characteristic:

①　Has excellent corrosion resistance and high temperature resistance.

②　The material has a smooth surface, does not adhere to foreign objects, and is easy to clean and maintain.

Applicable working conditions:

①　Widely used in high demand fields such as chemical, pharmaceutical, aerospace, etc., it can resist the erosion of corrosive media such as strong acids and alkalis.

②　Suitable for medium transmission under high temperature conditions, such as steam, high temperature oil, etc.

6. Polypropylene rotary joint

characteristic:

①　Has good toughness and corrosion resistance.

②　Non toxic, odorless, non deformable, and highly safe.

Applicable working conditions:

①　Suitable for industries such as food, healthcare, and pharmaceuticals, ensuring the safety and hygiene of products.

②　Especially suitable for occasions with high requirements for material safety and cleanliness.

In summary, rotating joints made of different materials are suitable for different working environments due to their different characteristics.  When selecting a rotary joint, it is necessary to comprehensively consider factors such as specific working conditions, medium properties, temperature and pressure to choose the appropriate material and model.