2 min read

Preventing Varnish in AW Hydraulic Oil

By Jim Harlan on Tue, May. 02, 2017

Saves >$200K/year by reducing downtime, defective units, idle labor and oil costs.

The Application

During the manufacturing process of refrigerators, the organic compound isocyanate is hydraulically injected into the body of the appliance to improve insulation. After injection, the chemical transforms from liquid to foam, expanding to fill vacant areas completely. 

Topics: varnish SVR hydraulic oil
7 min read

Turbine Lube Oil Varnish and Removal Strategies: Part 4 of 4

By Jim Harlan on Wed, Nov. 05, 2014

Combined Cycle Journal recently published an article on turbine lube oil varnish written by Peter Dufresne Jr. and his team at EPT. We’ve divided the article into four blogs to make it easier to digest -- click here to find parts onetwo and three


Topics: case study varnish SVR hydraulic oil contaminination lube oil turbine oil
4 min read

Turbine Lube Oil Varnish and Removal Strategies: Part 3 of 4

By Jim Harlan on Mon, Aug. 04, 2014

Combined Cycle Journal recently published an article on turbine lube oil varnish written by Peter Dufresne Jr. and his team at EPT. We’ve divided the article into four blogs to make it easier to digest -- click here to find parts onetwo and four


Topics: varnish SVR hydraulic oil contaminination lube oil turbine oil
3 min read

Turbine Lube Oil Varnish and Removal Strategies: Part 2 of 4

By Jim Harlan on Tue, Jul. 29, 2014

Combined Cycle Journal recently published an article on turbine lube oil varnish written by Peter Dufresne Jr. and his team at EPT. We’ve divided the article into four blogs to make it easier to digest -- click here to find parts onethree and four


Topics: varnish SVR hydraulic oil contaminination lube oil turbine oil
2 min read

Turbine Lube Oil Varnish and Removal Strategies: Part 1 of 4

By Jim Harlan on Tue, Jul. 22, 2014

Topics: varnish SVR hydraulic oil contaminination lube oil turbine oil
1 min read

Eliminating Filter Element Sparking

By Jim Harlan on Mon, Aug. 12, 2013

Static electricity is an amazing thing. It can cause hairs to stand on end when rubbed with a balloon, which can cause it to then stick to a wall. (It’s a fun trick, especially for kids). Unfortunately, when it comes to interaction with filters, static can have devastating results.

Topics: thermal event varnish SVR NSD filter elements
3 min read

Varnish in Turbine Oil Systems

By Aaron Hoeg on Sun, Nov. 18, 2012

Despite thousands of dollars and hours spent trying to mitigate the effects of varnish in turbine oil, many still suffer from this ongoing yet solvable issue. When combustion and steam turbines fall victim to unit trip or fail-to-start conditions, varnish is the usual suspect.

Topics: water Water Contamination varnish SVR contaminination turbine oil
2 min read

Hydraulic Oil Water Removal

By Aaron Hoeg on Wed, Nov. 14, 2012

Water, it's a compound that is required for practically everything on the earth. But within a lubrication or hydraulic system, it's one of the most damaging contaminants possible. Unfortunately, it's also one of the most common contaminants you'll find in your system. 

When your lubrication or hydraulic system is continuously or even periodically exposed to high water levels, it can result in a mountain of damage. You can find evidence of water contaminant destruction if you look close enough. This damage appears as :  

Topics: water Water Contamination SVR hydraulic oil contaminination
2 min read

What Are the Causes of Varnish in Hydraulic Oil?

By Aaron Hoeg on Wed, Nov. 07, 2012

The Problem of Varnish Contamination 

Varnish contamination is the inevitable byproduct of many degradation processes in hydraulic and lubrication systems. The effects of varnish on industrial and manufacturing systems range from the nuisance of minor downtime and routine maintenance to, worst case scenarios, multi-million dollar catastrophic failures of major capital equipment. 

Topics: contamination varnish SVR hydraulic turbine oil

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