Rotoflux S Series Universal Rotary Union Price

Product overview

The S Series Rotoflux Rotary Union is a high-performance, multi-purpose rotary joint designed to enable the continuous transfer of multiple media types—such as air, water, hydraulic oil, steam, and coolants—across rotating equipment without leakage or cross-contamination. Built for industrial precision, high durability, and smooth 360° rotation, the S Series is the go-to solution for demanding applications requiring simultaneous multi-channel fluid transfer at varying pressures and speeds.

The S Series Rotary Union is widely used in CNC machines, plastic molding, packaging equipment, wind turbines, textile machinery, and paper processing systems.

Key Features of the S Series Rotoflux Rotary Union

High-Pressure Tolerance

Engineered to handle pressures up to 5,000 PSI, the S Series ensures seamless fluid transfer in demanding environments like hydraulic systems and heavy machinery.

Temperature Resistance

Operates efficiently in temperatures ranging from -40°F to 500°F (-40°C to 260°C), making it suitable for steam applications and high-heat industrial processes.

Multi-Port Configurations

Available in single or multiple passage designs for simultaneous transfer of air, water, oil, or coolant.

Low-Maintenance Design

Precision-engineered seals and hardened stainless steel components reduce wear, extending service life and minimizing maintenance costs.

Customizable Options

Tailored fittings, flange sizes, and materials (e.g., carbon steel, stainless steel) to meet specific OEM or machinery requirements.

SpecificationDetails
Max Rotation SpeedUp to 100,000 RPM
Max PressureUp to 140 bar (2,030 PSI)
Media CompatibilityEmulsion, Oil, Water, Air, Oil-Air Mix
Seal MaterialSilicon Carbide (hydrostatically released)
Housing MaterialPrecision Steel
Bearing SystemPrecision spindle or hybrid ball bearings
Flow Rate per Channel15 - 50 L/min (varies by model)
Nominal Diameter3.5 mm to 10 mm
Operating TemperatureUp to 265°C (509°F)

Applications of the S Series Universal Rotoflux Rotary Union

Manufacturing Industry​

Machine Tools​

In machine tool manufacturing, the S series is extensively used to provide essential coolant delivery during machining processes. Ensuring a consistent flow of coolant helps maintain optimal temperatures at the cutting site. This not only enhances the life of the cutting tools but also improves machining precision. For example, in lathes, milling machines, and grinders, the S series rotary union plays a vital role in ensuring smooth and efficient operation.​

Injection Molding Machines​

In injection molding, the S series rotary union facilitates cooling during the molding process. It helps maintain optimal temperatures in the mold, preventing defects in molded products and enhancing quality control. The ability to transfer cooling fluids precisely and efficiently is crucial in the injection molding process, where even slight temperature variations can affect the final product’s quality.​

Automotive Industry​

In automotive assembly lines, the S series rotary union is used in robotic systems and machinery for fluid transfer. It ensures reliable operation and efficient fluid management, which is critical for maintaining production speed and quality. For example, in robotic arms that handle automotive parts during assembly, the S series rotary union enables the smooth transfer of hydraulic fluids or lubricants, allowing the robots to move precisely and consistently.​

Food Processing Industry​

The S series is suitable for food processing applications where sanitary fluid transfer is essential. Its robust sealing technology minimizes contamination risks, ensuring compliance with strict health standards while maintaining operational efficiency. In food and beverage production, where hygiene is of utmost importance, the S series rotary union can be used to transfer fluids such as cleaning agents, cooling water, or ingredients in a way that prevents any potential contamination of the food products.​

Energy Production​

In power generation systems, including turbines and other machinery, the S series is employed for fluid transfer. It facilitates effective cooling and lubrication, contributing to overall system reliability and efficiency. For instance, in gas turbines, the S series rotary union can transfer cooling water or lubricating oil to critical components, ensuring that the turbine operates at optimal temperatures and with minimal friction, thus improving the overall efficiency of the power generation process.​

Textile Industry​

In textile processing machines that require continuous lubrication or cooling, the S series ensures smooth operation by providing reliable fluid transfer. In textile manufacturing, where machines operate continuously for long periods, the consistent supply of lubricants or coolants is essential to prevent wear on machinery. The S series rotary union can be used in spinning machines, weaving looms, and dyeing equipment to ensure the efficient transfer of these fluids.​

Heating, Ventilation, and Air Conditioning (HVAC) Systems​

The S series rotary union can be used in HVAC systems for fluid management. It ensures efficient circulation of fluids, enhancing the performance of the HVAC systems. In large-scale commercial HVAC installations, the S series can be used to transfer refrigerants or cooling water between different components of the system, helping to maintain a comfortable indoor environment.​

Hydraulic Applications​

For hydraulic applications where fluid transfer is necessary, the S series ensures efficient hydraulic fluid management, contributing to the overall performance of hydraulic machinery. In hydraulic presses, cranes, and other hydraulic-powered equipment, the S series rotary union can transfer hydraulic fluids at the required pressures and flow rates, enabling the machinery to operate smoothly and with the necessary force.

Why Choose the S Series Rotoflux Rotary Union?

Multi-Channel Fluid Transfer

Supports simultaneous use of different media without cross-contamination.
Flexible Passage Configurations: Offers 2, 4, or 6 passages to meet complex process requirements.

High-End Sealing Technology

Ensures long-lasting, leak-free operation even at high pressure and speed.

Precision Machining

Guarantees smooth, vibration-free rotation for high-speed equipment.

Versatile Industrial Use

Compatible with a wide range of applications across the manufacturing and energy sectors.

Rotoflux Reliability

Manufactured to the highest standards, trusted by engineers worldwide.

FAQ

Q: What media can the Rotoflux S Series rotary union handle?

A: It supports emulsion, oil, water, air, and oil-air mixtures, making it highly versatile.

Q: What is the maximum rotational speed and pressure?

A: The S Series can operate up to 100,000 RPM and withstand pressures up to 140 bar.

Q: Are these rotary unions safe for dry running?

A: Yes, the hydrostatically released silicon carbide seals enable safe dry operation.

Q: What industries commonly use the S Series?

A: Primarily used in machine tool manufacturing, metalworking, stone processing, and industrial automation.

Conclusion

The Rotoflux S Series Rotary Union offers unmatched performance for high-speed, high-pressure fluid transfer applications. Its advanced sealing technology, durable construction, and multi-media compatibility make it an ideal choice for demanding industrial environments.

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