A Duoflow Rotary Union, also known as a dual-flow rotary joint or two-passage rotary union, is a mechanical device engineered to facilitate the simultaneous transfer of two distinct fluids or gases between stationary and rotating components. This dual-passage capability makes it essential for applications requiring independent, leak-free flow paths—such as in hydraulic, pneumatic, or cooling systems for industrial machinery. This capability is crucial in applications where space is limited, and the efficient management of multiple media streams is required.
The Duoflow rotary union features two isolated passages, allowing for the independent transfer of different media (such as air, hydraulic oil, or water) without cross-contamination. Allows for the concurrent flow of two separate media, such as coolant and hydraulic fluid, through independent channels, minimizing the risk of cross-contamination.
Capable of operating under pressures up to 3,000 PSI and temperatures reaching 225°F, depending on the specific model and manufacturer specifications.
These rotary unions typically use an aluminum housing with a hardened steel rotor, providing durability and resistance to wear in demanding environments. Manufactured with high-grade materials like stainless steel, ensuring durability and resistance to corrosion in demanding industrial environments.
Carbon-filled Teflon seals and hardened sealing surfaces ensure reliable operation and minimal leakage, even under high pressure and temperature.Incorporates precision-engineered seals to prevent leakage and ensure long-term reliability.
Available with various thread types, including NPT, BSP, and metric threads, to accommodate diverse installation requirements.
Composite Bearings: Self-supported with composite or ball bearings, Duoflow rotary unions offer smooth rotation and long service life.
Flexible Mounting: Available in both coaxial and radial configurations, with a variety of thread types and sizes to suit diverse installation requirements.
Typical models can handle air pressures up to 150 PSI, hydraulic pressures up to 3,050 PSI, and temperatures up to 250°F (121°C), with rotational speeds up to 1,500 rpm.
Pressure Rating: Up to 3,000 PSI for hydraulic applications; up to 250 PSI for air.
Temperature Range: Up to 225°F (107°C).
Rotational Speed: Suitable for moderate to high-speed applications, depending on the model.
Materials: Options include stainless steel, aluminum, and specialized alloys for enhanced performance.
Seal Materials: Available in Viton, PTFE, and other materials to suit various media compatibilities.
Duoflow Rotary Unions are utilized across a wide range of industries, including:
Manufacturing: For transferring cooling fluids and lubricants in CNC machines and automated systems.
Printing: To manage ink and solvent flows in high-speed printing presses.
Textile: In dyeing and finishing machines, where simultaneous steam and water flows are necessary.
Steel Industry: In continuous casting machines, facilitating the flow of water and air for cooling and pneumatic operations.
Combines two flow paths into a single compact unit, reducing the need for multiple connections and simplifying system design.
Enhances process efficiency by enabling simultaneous media transfer, reducing cycle times.
High-quality materials and seals decrease wear and tear, leading to longer service intervals and reduced downtime.
Precision engineering ensures complete separation of flow paths, critical for safety and process integrity.
Durable seals and bearings reduce the frequency of service and downtime.
Available in various sizes, passage configurations, and materials to meet specific industrial needs.
A Duoflow Rotary Union is an advanced solution for industries seeking efficient, simultaneous transfer of two fluids in rotating equipment, offering high reliability, versatility, and robust performance in challenging environments. The Duoflow Rotary Union is an essential component in modern industrial systems requiring the efficient and simultaneous transfer of multiple media. Its robust design, versatility, and reliability make it a preferred choice across various sectors, contributing to improved operational efficiency and reduced maintenance costs.
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