Tips & How-To's | Guide & Articles | Duratherm Heat Transfer Fluids

Avoiding Oxidation and Thermal Degradation

Oxidation occurs when a fluid comes in contact with air at elevated temperatures and is one of the most common ways a fluid suffers from degradation, usually resulting in sludge formation within the system. While the various heat transfer fluid chemistries are affected at different temperatures, the most common petroleum-based fluids will experience oxidation at temperatures above 200°F. In fact, it's generally accepted that for every 15 degree increase in temperature (above 200°F), the rate of oxidation doubles.

Fluid Basics

Start-Up and Shut-Down Procedures

Regardless of system design, size or heat source, there are a few basic procedures that should be followed when starting up or shutting down your heat transfer system. Following these procedures will help maximize the life of your fluid by reducing incidents of thermal degradation.

Fluid Basics

Understanding Heat Transfer Fluids and Your Extruder

All hot oils (heat transfer fluids) have a limit to the time they can be utilized in an extruder. The key factor affecting service life is mainly the type of fluid being used. However, process temperatures and production rates are just a few of the more minor factors involved in determining the length of time between fluid changes.

Troubleshooting

Looking for Trouble? Just Add Water

Whether it comes from a leaky heat exchanger, accidental contamination or even simple condensation, a few ounces of water is enough to cause you lots of pain.

Do You Need to Clean Your System?

If a system is improperly started or shut down or allowed to overheat it may require some degree of cleaning.

Equipment Design | Fluid Basics

Custom Fluids: When Off-The-Shelf Won’t Do

Having a hard time finding the right thermal fluid for your application? Having an even harder time finding a company willing to listen and invest the time to help?

Equipment Design

Choosing the Proper Pump for Your Heat Transfer System

Your pump has a huge influence over your heat transfer system. So what do you need to know when choosing one?

Equipment Design

Filter and Strainer Selection: A Basic Overview

Often overlooked, strainers and filters keep harmful debris out of your system, protect sensitive equipment and even improve the performance of your heat transfer fluid.

Equipment Design

Fluid Phraseology

Ever wonder what all those terms on our data sheets mean and how they relate to heat transfer fluids?

Equipment Design

Watts Robbing Your Service Life?

Is your electric heater's watt density causing your system more harm than good? Watt density can have a serious impact on the life of your fluid, so it’s important to understand what it is and how to make sure your system is working within acceptable limits.

Avoiding Oxidation and Thermal Degradation

Start-Up and Shut-Down Procedures

Understanding Heat Transfer Fluids and Your Extruder

Looking for Trouble? Just Add Water

Do You Need to Clean Your System?

Custom Fluids: When Off-The-Shelf Won’t Do

Choosing the Proper Pump for Your Heat Transfer System

Filter and Strainer Selection: A Basic Overview

Fluid Phraseology

Watts Robbing Your Service Life?

Tips & How To’s

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