World-Class Rotary Unions and Electrical Slip Rings

Engineered Solutions for Rotary Applications

Industries

Deublin rotary unions and electrical slip rings are used by all kinds of industrial machinery and manufacturing processes.

Machine Tool

Through-spindle coolant maximizes machining center productivity and reduces early machine wear. Deublin's sealing technologies offer optimized solutions for each shop's requirements.

Renewable Energy

Deublin's Rotary Unions and slip rings offer reliability and global support to minimize costs for operators of wind, hydro, and other forms of green energy.

Oil & Gas

Deublin's mechanical seal products dramatically out-performs traditional packing, resisting both wear and leakage for uninterrupted operation and minimal maintenance under the most challenging conditions.

Semiconductor

Semiconductor wafer fabrication businesses depend on Deublin's industry-specific expertise to provide custom engineered Rotary Unions and electrical slip rings.

Paper & Corrugating

Deublin steam joints and siphons optimize the dryer performance in the paper and corrugating machines, thereby reducing energy consumption and enhancing the product quality.

Printing & Packaging

Printing and packaging require durable Deublin Rotary Unions and slip rings to ensure uniform quality and consistency throughout the longest production runs.

Metals Processing

In harsh environments, like steel making, Deublin's highly durable, leak-proof rotary unions reduce maintenance costs and increase profitability by performing through the longest campaign.

Agriculture & Construction

Farm and construction equipment depend on their hydraulic systems, which in turn depend on Deublin rotary unions to control clutches and variable-speed drives.

Why We're Different

Deublin offers different sealing technologies to handle virtually any combination of media, rotating speed, and pressure. Find the best solution for your needs.

Pop-Off® Sealing Technology

Deublin's unrivaled Pop-Off® technology seals metalworking fluids, including MQL, up to 2000 psi but separates the seals when fluid pressure is turned off, thereby eliminating seal wear due to dry running.

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AutoSense® Sealing Technology

Deublin's patented AutoSense® technology is unique in sealing both conventional coolant as well as unlubricated air with no risk of premature seal damage from dry running.

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SpindleShield® Technology

Deublin's patented SpindleShield® technology signals the machine that spindle contamination is imminent, avoiding costly downtime.

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How We Can Help

Grow your productivity with Deublin products, service kits, and technical support.

Installation

Find the right guide to help you properly install your new rotary union.

Field Repair

Rebuild your end-of-life union with genuine Deublin service kits.

Custom Solutions

Can't find a exactly what you want? Deublin can custom engineer a solution based on your specific requirements.

Distributor Locator

Find a distributor in your area

Who We Are

Learn more about Deublin's 75 years of experience and global network.

Careers

Join the Deublin team today!

News & Blog

Stay up-to-date on the latest news and updates from Deublin.

Worldwide Locations

Regardless of your location, there is a Deublin office near you.

Repair Your 57 Series Rotary Unions on Site

Deublin offers seal kits for most 57 series rotary unions. The kits are easy to install, cost effective, and extend the life of your existing union. Click the button below to watch a how-to video on kit assembly.

Seal Kit Video