Why Do My Steam Coils Freeze in the Winter?

Unfortunately, this happens too often. Repairing or replacing steam coils can be very expensive. Fresh air make-up steam coils are typically temperature controlled using a modulating steam control valve to regulate the discharge air temperature.

Written by Mike Sneary on March 03, 2014.

Using Rotary Unions With Thermal Oil

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.

Written by Al Ives on February 03, 2014.

Who is Kadant Solutions?

The name Kadant rings a bell for many, especially within the paper industry. Built upon the well-regarded Lodding and Vickery brands, Kadant Solutions is a leading supplier of roll cleaning blades (doctor blades for those from the pulp and paper market), roll cleaning blade holders, and roll cleaning systems for industrial processes.

Written by Vicki Hunsberger on October 22, 2013.

Direct Steam Injection Heating

Conventional storage tanks with sparge pipes (simple pipes with drilled steam distribution holes) tend to have uneven water temperature control, steam hammer, heavy vibration caused by collapsing steam bubbles, and low low energy efficiency as steam bubbles escape to atmosphere due to incomplete condensation.

Written by Mike Sneary on February 19, 2013.

Can Doctor Blade Removal Be Simple and Safe?

Removing sharp doctor blades can be a challenging task. The function of a doctor blade is to scrape glues, wood pitch, stickies, and fibers from rolls.

Written by Korey Jerome on February 10, 2014.

How to Recover From Flooding in Paper Dryers

When flooded dryers are identified during machine production, and if these issues are steam system related issues, there are several actions that can be taken to restore condensate flow and get the paper dryer back to normal operation.

Written by Wayne O'Driscoll on January 21, 2014.

What are Rotary Joints & Rotary Unions?

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.

Written by Frank Marsden on March 19, 2013.

Recommended Rotary Joint & Rotary Union Piping

Flexible metal hose is used on the inlet and outlet connections of rotary joints and rotary unions to allow for the rotary joint movement and for thermal expansion of piping.

Written by Al Ives on December 11, 2012.

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