High Pressure or High Speed Applications - Duff-Norton multi-port Rotary Unions are available in both high pressure (HPMC Series) and high speed (HSMC Series) configurations
Pressures Up to 5,880 psi - HPMC Series Rotary Unions are designed for higher pressure, available with up to eight ports as standard and are suitable for use in low speed applications for pressures up to 5,880 psi
Available up to 4 Ports - HSMC Series Rotary Unions are available with up to four ports as standard
Speeds up to 3,000 RPM - HSMC Series is perfect for low pressure applications, up to 175 psi with rotational speeds up to 3,000 RPM
No Cross Contamination - Feel free to run dissimilar fluids through Duff-Norton Multi-Port Rotary Unions as each port is always individually sealed eliminating cross contamination between circuits
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Since 1883, Duff-Norton has earned a reputation for reliable, high quality products that meet the industrial lifting, positioning and transfer needs of our worldwide customers. Both our standard and custom designed products are subjected to the same rigorous testing throughout the design process to assure maximum performance and quality. We have been ISO 9001 registered since 1994, and practice and conduct lean initiatives regularly.