NEW WEBSITE COMING MAY 14th is moving to on May 14th
Generic Featured Banners_Rotary Union.png

HPMC/HSMC Series - Multi-Port


  • MEDIA: Water, Air, Hydraulic Fluid
  • PRESSURE*: 170 PSI (HSMC)5,880 PSI (HPMC)
  • SPEED*: 3,000 RPM (HSMC)180 RPM (HPMC)
  • THREADS: 3/8 to 3/4 inch NPT or BSP
  • MATERIAL: Nickel Plated SteelSTANDARD NUMBER OF PORTS: 2 to 8

*See performance charts for details

Download product overview

Specifications, Dimensions and Part Numbers

Features & Benefits

  • 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

Let’s stay in touch!
Subscribe to our newsletter.

Rotary Union promotion square
Productivity tools and tricks for engineers VC square
New Call-to-action