Rotating Unions that transmit air or liquid from a stationary source to rotating machinery. We sell directly to Original Equipment Manufacturers or through a network of distributors.

Carlson Rotary Unions are mechanical devices which transmit air or fluids from a stationary source into rotating machinery. Rotary Unions are used with a wide variety of medium – air, water, steam, glycol and oil. Designed and manufactured in Wichita, Kansas, USA.

Quote for Custom Rotary Unions available upon Request.


Standard Rotary Air Unions Available from 1/8 NPT to 3/4NPT

AU1001-11.2502.7.6251/8"2.31/8 NPT1/8 NPT
AU1002-11.6253.4.8751/4"3.11/4 NPT1/4 NPT
AU1003-12.2504.61.1251/2"3.91/2 NPT1/2 NPT
AU1004-12.7505.81.5003/4"4.93/4 NPT3/4 NPT