NEN ISO 4021 : 1995
Current
The latest, up-to-date edition.
HYDRAULIC FLUID POWER - PARTICULATE CONTAMINATION ANALYSIS - EXTRACTION OF FLUID SAMPLES FROM LINES OF AN OPERATING SYSTEM
12-01-2013
Provides a method to extract fluid samples from main flowline in such a manner that the particulate contaminant in the sample is representative of the fluid flowing at the point of sampling. An alternative method is to extract a sample from the reservoir, but this method should only be used if a suitable sampler is not fitted.
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