The steam rotary joint is specifically designed for corrugating rolls in medium- and low-speed paperboard production lines. It features an internal support system using oil-free bearings, making it a self-supporting unit with a simple and user-friendly structure. The joint uses a spherical sealing mechanism, and due to the frictional torque between the sealing surfaces, an external rotation stop lever is typically installed. For optimal performance, metal hoses are required for both the swivel joint and piping connections. This type of rotary joint can be configured based on specific working conditions. The inlet for the transmission medium can be freely chosen to enter from the side or the back end, depending on the application. The sealing surface and ring are made from high-performance materials, ensuring long service life, resistance to corrosion, wear, and leak-proof operation. Inside the joint, two precision bearings provide stability, flexibility, and durability, with a low friction coefficient that allows for high-speed operation. The condition of the internal seal wear can be visually assessed through the product's appearance, allowing for early detection and preventing unexpected mechanical failures or damage. This feature helps reduce downtime and maintenance costs. When seals become worn, they can be easily replaced without needing to replace the entire unit, offering a cost-effective solution. The single-circuit Danhuilu series rotary joints are widely used across various industries globally. They accommodate a range of fluid media, including water (steam), oil, air, vacuum (coolant), cutting fluids, and chemical solvents such as toluene. High-quality rotary joints paired with precision bearing units are mounted on high-rigidity shafts, ensuring stable and vibration-free long-term operation. The shaft undergoes special heat treatment to enhance its rigidity, while the fixed ring seal is made from anti-wear carbon graphite, which is impervious to water and suitable for dry operation. The rotating sealing surface is minimized in size to ensure optimal performance even under high pressure. With extensive experience in mechanical design, the company has achieved a balanced and reliable sealing system. The RF-type rotary joint incorporates a bronze retaining ring, ideal for use in high-pressure environments up to 200 psi.
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