Rotating Unions are designed for gasses and liquids.

Press Release Summary:



S Series consists of 2- and 4-passage unions with overall lengths of 2.83 and 3.62 in., respectively. They feature carbon steel construction, hardened and ground steel shafts, dual sealed ball bearings, and Teflon®-impregnated seals. Unions are designed for situations where liquid or gas must be passed leak-free from stationary to moving point without interrupting flow.



Original Press Release:


Rotary Systems, Inc. "S" Model


Our new S-Series Rotating Unions are smaller versions of our standard two & four passage catalog items. Compact in size, the 2-passage has an overall length of 2.83", while the four-passage is 3.62" long. Our rotating unions are used in many situations
where a liquid or gas must be passed leak-free from a stationary to a moving point, without interrupting flow. A few examples of uses are: feeding air to clamps on indexing tables, robotics, automated packaging equipment & work-holding chucks.

Key features
Plated carbon steel construction
Hardened & ground steel shaft
Dual sealed ball bearings
Durable Teflon®-impregnated seals
Suitable for a variety of gasses & liquids
7000 psi hydraulic pressure rating
Able to flow multiple medias simultaneously without cross-contamination
4-passage part number = 017-40213"S"
2-passage part number = 013-20213"S"

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