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

5000 Series General Purpose

General Purpose Rotary Unions

5000 Series Rotary Union
5000 Series Replacement Cartridge image
5000 Series Rotary Union
5000 Series Replacement Cartridge image
Rotary Unions® 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 Unions® 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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Duff-Norton Rotary Union Design Guide 5000 Series Product Sheet 5000 Series Repair Sheet 5000 Series Dimensional Drawings Rotary Union Flexible Hose Installation Guide

Features and Benefits

FEATURES & BENEFITS

5000 Series Stainless Steel General Purpose Rotary Union

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 use life of this model.

Dual Flow Option

The 5000 Series can be converted to dual flow with the addition of an elbow,

Balanced Mechanical Seal Design

The balanced mechanical seal design allows for optimal operation with a wide variety of media.

Replaceable Cartridge

An 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 ASM seal is a tungsten carbide face ring against a siliconized graphite seal ring, offering unsurpassed protection against grooving in applications where other materials fail.

Options

5000 SERIES OPERATING PARAMETERS
MEDIA PRESSURE
Steam, Hot Oil, Water 250 psi (Water), 175 psi (Steam),
100 psi (Hot Oil)
TEMPERATURE SPEED
600° F (Hot Oil), 378° F (Steam) 700 RPM
THREAD MATERIAL
• 1/4 Inch to 3 Inch NPT
• BSP Threads Available
• Flanged		 • Cast Iron Housing with Stainless Steel or Plated Sleeve
• Steel Shaft
CONFIGURATION OPTIONS
Mono Flow and Dual Flow Configurations Available