Through Bore Rotary Unions

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Through Bore Rotary Unions
Through Bore Rotary Unions
Through bore rotary unions are specialized insulating material used to coat the inside thru-bore preventing high-temperature air from being distributed into the union.


  • Passage Sizes*: 1/8", 1/4", 3/8", or 1/2"
  • Flow Passages: 2 to 12
  • Media: hydraulic oil and air
  • Material Type: Steel, Stainless Steel, Aluminum, Brass


  • Long running life
  • Reduced maintenance
  • Customized tests on customers' needs
  • Materials selected for specified service

Available Options

Custom Rotary Unions Solutions

Custom Rotary Unions Solutions

Designed to meet your specific application requirements.
Fluid + Electrical Integration

Fluid + Electrical Integration

A fast, flexible solution that can be easily integrated directly into your device.

Learn More about Through Bore Rotary Unions

What is a through bore rotary union?

Through bore rotary union is designed for single and multi-passage rotary union with hydraulic oil and air media.

What are through bore rotary union used for?

Packaging & processing, industrial automation, molded plastic

Do you wholesale through bore rotary joint & unions?

Yes, We can. Our through bore rotary union price is one of the most affordable in the market.

Have a project in mind?

Let's talk about your project. Our experts are here for you!