Oil Contamination Control

1 © Winstar Hydraulics Pvt. Ltd., Bangalore

Contamination Basics

Micron Size:1 micron [μm] = 1/1000mm= 0.000039”


Contamination Basics


Finest Contamination – Particle size


New Oil


Types of Dirt: Reasons & Consequences in Hyd. Syst


Types of dirt - Solid particles


Solid Contamination - Sources & Consequences


Solid Contamination - Consequences






Finest Contamination - Consequences


Dangerous solid contamination - example bearing




Types of dirt-water in oil-samples with& without water


Reasons for water ingression into hydraulics


Consequences of water in oil


Types of dirt - Air


Consequences of air in oil


Types of Dirt - Air


Types of Contamination - Unintentional chemicals


Types of Contamination - Unintentional chemicals


Filter type and location


Oil Cleanliness Level Measurement


Fluid Cleanliness Monitoring Techniques


Oil Contamination Measurement : ISO 4406 (1999) Std


Oil cleanliness classes according ISO 4406


NAS 1638


ISO 4406 Vs. NAS 1638 : Comparison Table


Fluid Cleanliness Standards


Typical Clearances in Hydraulic/Lube Components


Fluid Cleanliness reqd. for Typical Hyd Components


Oil cleanliness classes according ISO 4406


Filtration ratio ß & Eff. as a fn. of the particle size x


Filtration ratio ß & Eff. as a fn. of the particle size x


The principle of Multi-pass Test – ISO 4572 (ACFTD)


Contamination of a filter element


ß ratio accord. to new Multipass Test Norm ISO 11171


Filter Media Rating in %


Filter Media Ratings


OIL CONTAMINATION CONTROL

Date post:	22-Dec-2015
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Oil Contamination Control

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