Fluid Care Technical Library
Whitepapers and articles on hydraulic oil contamination, varnish, diesel quality, and condition-based maintenance. Technical backing for your operating decisions.
Bypass filtration vs. varnish: why in-line filters do not protect your servo valves
Modern servo valves operate with clearances of 1 to 3 microns, yet most oxidative varnish is smaller than 1 micron: in-line filters cannot capture it. This whitepaper explains how varnish forms, why full-flow filtration cannot stop it, and how a slow-flow bypass loop removes it without shutting down your operation.
The gap between NOM-016 and NOM-044: why commercial diesel damages Common Rail engines
NOM-016 regulates the physicochemical quality of diesel but does not require an ISO cleanliness code. NOM-044 mandates engines whose injection systems cannot tolerate that contamination. This whitepaper explains the gap, its real cost in injectors and filters, and how to close it with coalescing filtration at the bulk storage tank.
Five signs your hydraulic oil is oxidizing (and how to stop it without CapEx)
Hydraulic oil oxidation is a silent enemy: by the time it is visible to the naked eye, the damage is already advanced. These are the five early warnings we look for in a fluid audit and what to do when they appear.