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General Information & Warnings


Deublin Engineering Catalog should be used to assist your customers who request price or technical information. For technical support and application/selection assistance, please contact Deublin Company.


Deublin unions should not be used to convey flammable media (flash point ≤ 140°F or 60°C) as leakage may result in explosions or fires. Deublin unions should be used in accordance with standard safety guidelines for the media, and in a well-ventilated area. The use of our product on hazardous or corrosive media is strictly forbidden.

For applications other than stated in the catalog, Deublin Company's Engineering Department should be contacted for recommendations.

Welcome to DEUBLIN >

Welcome to Deublin.com!

Since 1945, Deublin has grown from a small garage shop to the world’s largest manufacturer of rotary unions (rotating unions). Our worldwide distribution network allows OEM’s all over the world to specify Deublin rotary unions when purchasing equipment made in another country. Wherever you’re located, Deublin has a stocking distributor nearby to meet your fluid handling requirements—quickly. Rotary unions must accommodate a broad range of materials, viscosities, temperatures, pressures and speeds. That’s why the Deublin rotary union product line offers over 500 standard rotary unions, over 3,000 separate models, and more than 6,000 individual components to handle them.

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