The steam rotary joint is specifically designed for corrugating rolls in medium- and low-speed paperboard production lines. It features internal oil-free bearings, making it a self-supporting unit with a simple and user-friendly structure. The spherical sealing design ensures efficient operation, while the frictional torque between the sealing surfaces is managed by an external rotation stop lever. For optimal performance, metal hoses must be used for both the swivel joint and piping connections.
This type of rotary joint offers flexible connectivity based on working conditions. The inlet for the transmission medium can be conveniently placed on the side or the back end, depending on the application. The sealing surface and ring are made from high-performance materials, providing long service life, resistance to corrosion, wear, and ensuring no leakage. Inside the joint, two precision bearings guarantee smooth and stable operation, even at high speeds, thanks to their low friction coefficient.
The condition of internal seal wear can be visually assessed through the product’s appearance, allowing for early detection and preventing unexpected mechanical shutdowns or damage. This feature helps reduce maintenance costs and downtime. Replacing worn seals is straightforward, eliminating the need for complete replacement and saving expenses. The single-circuit Danhuilu series rotary joints cater to a wide range of industrial applications worldwide, handling various media such as water (steam), oil, air, vacuum (coolant), cutting fluids, and chemical solvents like toluene.
High-quality rotary joints paired with precision bearing units ensure stable and vibration-free long-term operation. The shaft undergoes special heat treatment to enhance rigidity, while the fixed ring seal is made from anti-wear carbon graphite, resistant to water and suitable for dry operation. The rotating sealing surface is minimized in size to maintain efficiency even under high pressure. With extensive mechanical experience, the company has achieved a balanced design for the sealing component. The RF-type rotary joint uses a bronze retaining ring, suitable for high-pressure environments up to 200 bar.
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Jiangsu Baichuang Instrument Group Co.,Ltd , https://www.subcip.com