Rotary unions used with heat transfer oils require special attention during repair to ensure leak-free operation. Heat transfer oils tend to “coke” at high temperatures and deposit material that can settle in the rotary union and adhere to the sealing components.
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Written by Al Ives
on February 03, 2014.
The majority of flooding incidents can be attributed to steam and condensate system issues (poor equipment sizing, incorrect system set-points and incorrect system calibration) and mechanical issues (unreliable or incorrectly installed steam joints and syphons). In this discussion, we will focus on the steam system issues that contribute to flooding.
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Written by Wayne O'Driscoll
on January 07, 2014.
At some stage during their working career, papermakers and mill engineers will have encountered at least one instance of flooded dryers in the drying section on their paper machine.
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Written by Wayne O'Driscoll
on November 26, 2013.
The 2013 China International Paper Technology Exhibition and Conference (CIPTE) was held at the Beijing National Agricultural Exhibition Centre September 23-25.
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Written by Danielle Rohrer
on October 15, 2013.
A rotary joint, also referred to as a rotary union or rotating union, is a rotary sealing device that connects rotating equipment to fixed piping for the transfer of steam, water, thermal oil, coolant, hydraulic oil, air, and other media.
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Written by Frank Marsden
on March 19, 2013.
