5000 Series Rotary Union
5000 Series Replacement Cartridge image
5000 Series Rotary Union
5000 Series Replacement Cartridge image

5000 Series General Purpose

5000 Series Rotary Union
5000 Series Replacement Cartridge image
5000 Series Rotary Union
5000 Series Replacement Cartridge image
Rotary UnionsĀ® are a sealing device that connects rotating equipment to fixed piping for the transfer of steam, water, hot oil, coolant, hydraulic oil, air, and other media. Duff-Norton's single, dual and multi-passage Rotary UnionsĀ® can be found in a variety of industries and applications including oil and gas, construction, off-road machinery, food and beverage, aerospace, robotics, and medical devices.
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Features and Benefits

FEATURES and BENEFITS
Corrosion Resistant
- 300 Grade stainless steel construction for superior corrosion resistance.
Long Service Life
- Two precision bearings keep the 5000 Series seal faces perfectly aligned to extend the life of the 5000 Series Rotary Union.
Dual Flow Option
- With the addition of an elbow, the 5000 Series can become dual flow.
Balanced Mechanical
Seal Design
- The balanced mechanical seal design of the 5000 series allows for optimal operation with a wide variety of media.
Replaceable Cartridge
- Integrated cartridge design makes repairs fast and easy reducing maintenance costs.
Multiple Seal Design Options
- All sizes are available with three seal options for better wear resistance
5000 Series (Standard)
- Carbon graphite against a ceramic coated steel seal design offers long life.
5000 ASM Series(Consult Factory)
- The tungsten carbide face ring against a siliconized graphite seal ring design is used for abrasive applications.