The Kadant Blog

Rotary Joints & Unions


Over-The-Shaft Rotary Union Basics

Over-the-shaft (OTS) rotary unions are used with journals (shafts) that contain channels for conveying fluid into and out of rolls.

Read more

The History of the Rotary Joint

Throughout the 19th and early part of the 20th century, the accepted method of supplying water or steam to a rotating cylinder was through the use of stuffing boxes or packing glands, which proved inefficient.

Read more

Basics of a Continuous Caster Rotary Union

For cooling water to pass through the caster rolls, a rotary union is required to allow the cooling water to enter and exit the rolls that support the strand of steel as it is solidifying.

Read more

How Multi-Passage Rotary Unions Work

Multi-passage rotary unions transfer media into and out of rotating equipment without leaking or loss of pressure. Either end of the rotary union can rotate, and fluid can travel in any direction.

Read more
© Kadant Inc.

Privacy  |  Terms