TIG welding in manufacturing: advantages and tradeoffs

Posted by Ben Smith, CWI on Nov 11, 2020 9:36:34 AM

Gas-tungsten arc welding (GTAW), or more commonly, Tungsten Inert Gas welding (TIG), is a method of arc welding named for the non-consumable tungsten electrode used during the process. TIG welding isn’t the best option in some industries, but as coil manufacturers, it makes sense for us.

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Topics: Gas Compression, Military, Food Storage & Processing, Power Generation, Heat Exchangers, Nuclear Products, Expertise, Quality, Reliability, Engineering, Turbine Inlet Air Cooling and Heating

What is flux entrapment and how does it happen?

Posted by Super Radiator Coils on Sep 15, 2020 9:01:47 AM

There are terrific braze joints, awful braze joints, and everything in between. Today, we’ll examine one type of defect that can have devastating effects on joint integrity – flux entrapment.

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Topics: Coils, Heat Exchangers, Expertise, Quality

Design considerations for evaporators used in the storage of potatoes, onions and other crops

Posted by Super Radiator Coils on Sep 9, 2020 11:35:08 AM

This article has been updated. It is accurate as of 9/23/20.

Heat exchangers used for different applications need different design features. For example, in industries like pulp and paper, lower fins per inch (FPI) are often included to reduce airside fouling and to make for easier cleaning. Other applications such as the military are often concerned with weight, which impacts material selection. For this post, we're going to focus on some unique design choices we often include when building heat exchangers for the refrigerated storage of potatoes, onions, beets and other vegetables.

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Topics: Food Storage & Processing, Coils, Heat Exchangers, Quality, Reliability

Other than copper and aluminum, what materials are used to build heat exchangers?

Posted by Super Radiator Coils on Sep 8, 2020 8:27:34 AM

In many of the industries we serve, heat exchangers made with copper tubes and aluminum fin are extremely popular, and very often, these materials are a terrific choice. But copper and aluminum aren’t suited for everything. At Super Radiator Coils, the needs of many of our customers often dictate that we explore and understand alternative materials.

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Topics: Gas Compression, Military, Power Generation, Coils, Heat Exchangers, Nuclear Products, Expertise, Quality, Engineering, Turbine Inlet Air Cooling and Heating

Surface treatment of stainless steel: pickling, descaling, passivation

Posted by Super Radiator Coils on Apr 22, 2020 3:49:44 PM

We get asked a lot of questions about the passivation of stainless steel welds. Oftentimes, customers want to know what passivation is. Others ask if it’s necessary. Given the number of factors that such a decision hinges on, Super Radiator wants customers to understand the benefits of passivation, and also understand what’s involved in the larger process of treating stainless steel surfaces.  

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Topics: Food Storage & Processing, Power Generation, Heat Exchangers, Nuclear Products, Quality, Engineering

How to choose the right fin material for industrial heat exchangers

Posted by Super Radiator Coils on Apr 4, 2020 5:54:02 AM

Stainless, copper, E-coat, Heresite, or CuNi?

When Super Radiator Coils engineer coils for customers, materials are among our most important considerations. Things like applications, environments, and coil lifespan must all be factored in to the coil’s design. So too must price and industry standards, making material decisions all the more crucial.

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Topics: Heat Exchangers, Expertise, Quality, Engineering

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