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#Product Trends

New: Rotating Union 4 Pass 1/2 NPT

* 4-passage design

* Self-supported rotating union

* Flanged rotor

* Drain passage prevents interpassage leakage

* Special seals

* Hardened sealing surface

* Brass housing

* Stainless steel rotor

* Widely spaced ball bearings to withstand side load

* 5-passage available

A drain port is provided to collect leakage under normal operation. A vent is provided between ports 2 and 3 to allow use with two medias eliminating cross contamination.

Example: Air in 1 & 2 and hydraulic oil in 3 & 4.

Rotating Unions and Rotary Joints (also known as rotary swivels, rotary couplings) are precision mechanical devices used to transfer fluid from a stationary source, such as a supply pipe, into a rotating piece of machinery. Rotating Unions and Rotary Joints are used in numerous manufacturing processes to cool, heat, or transfer fluid (pneumatic or hydraulic) power.

Deublin offers (single flow) passage rotary joints, two (dual flow) passage rotary unions, three (triple) passag rotary unions and four passage rotary unions.

Rotary Joints and Rotary Unions allow the feed through of water, glycol, air, hydraulic, coolant, MQL, hot oil, steam, vacuum and a variety of other media. Rotary Joints and Rotary Unions that can be configured for installation at the end of a shaft or around-the-shaft.

Deublin manufacturing is state-of-the-art with global manufacturing facilities, modern CNC machining centers, and advanced quality systems certified by ISO 9001 and ISO 14001. In addition, Deublin is certified as an Authorized Economic Operator or AEO, which proves our supply chain is secure and reliable.

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