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Strategies for Successful Heat Exchanger Tube Plugging

2025-02-13T11:20:40-05:00

Plugging leaking tubes in heat exchangers is a critical maintenance task. However, this seemingly straightforward procedure can present a multitude of challenges that can impact both the success of the plug and the overall maintenance process. These challenges include creating a secure seal due to suboptimal tube conditions, limited reach and accessibility, and the availability of suitable plugging materials.

Strategies for Successful Heat Exchanger Tube Plugging2025-02-13T11:20:40-05:00

Common Types of Tube Failure– Fouling & Corrosion

2025-02-14T15:32:00-05:00

Heat exchangers are essential for many industries, but their performance can be significantly impacted by fouling and corrosion. These can lead to reduced efficiency, increased maintenance costs, and potential safety hazards. Understanding the mechanisms, impacts, and prevention strategies for fouling and corrosion is crucial for ensuring the optimal operation of heat exchangers.

Common Types of Tube Failure– Fouling & Corrosion2025-02-14T15:32:00-05:00

How To Retube an Air Cooler

2024-12-30T14:53:08-05:00

Tube removal is a common challenge regardless of the application. In air cooled exchangers, the layout of the tubes, as well as the outer diameter of the fins, could pose some challenges if using traditional methods. However, there are a few tips to make this process quicker.

How To Retube an Air Cooler2024-12-30T14:53:08-05:00

Avoiding Common Pitfalls of Tube Extraction

2024-12-18T14:53:32-05:00

Tube removal can be a daunting task, especially when encountering challenges like corrosion or tight spaces. One of the most frustrating situations operators face is the inability to pull a tube using a hydraulic puller. This article explores the four primary reasons behind this issue and offers simple solutions to overcome them.

Avoiding Common Pitfalls of Tube Extraction2024-12-18T14:53:32-05:00

Increase Tool Life On Tough Materials

2024-06-27T12:17:01-05:00

As end users strive for increased heat transfer efficiency, customers are often tasked with building vessels that will withstand heavy use and the test of time. This often results in the use of more wear resistant tube sheet and tube materials, such as Inconel, Hastelloy, and Duplex Stainless Steel. While exotic materials often mean longer tube life, they can take a big toll on expander tool life.

Increase Tool Life On Tough Materials2024-06-27T12:17:01-05:00

Tube Sheet Grooves and How They Impact Expansion

2025-02-10T10:44:01-05:00

Grooved tube sheets are the standard in most shell and tube heat exchanger applications. Providing both leak protection and improving the tube-to-tube sheet joints, grooves play an important role in prolonging the life of a tube and the efficiency of a vessel. However, in few applications where grooves are not required, there can be challenges during the tube expansion process.

Tube Sheet Grooves and How They Impact Expansion2025-02-10T10:44:01-05:00

Fabrication Company Reduces Expansion Cycle Times by 80% With Parallel Pin Expansion

2024-08-23T14:04:07-05:00

Dunn Heat Exchanger, Inc., a fabrication company located in Texas City, Texas, offers heat exchanger cleaning, decontamination, repair, and fabrication services in the highly competitive shell and tube market.

Fabrication Company Reduces Expansion Cycle Times by 80% With Parallel Pin Expansion2024-08-23T14:04:07-05:00

When To Retube or Replace

2024-03-06T08:50:17-05:00

To get the best performance out of a vessel it’s important that it maintains necessary operating capacity. While there are several preventative maintenance procedures that can prolong the life of the vessel, eventually a decision on retubing or replacing the unit will need to be made.

When To Retube or Replace2024-03-06T08:50:17-05:00
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