Specifications

Fluid Service Catalog
3
ISO 4406 Code
Cleanliness levels are defined by three numbers divided by
slashes (/.) These numbers correspond to 4, 6, and 14 micron,
in that order. Each number refers to an ISO Range Code,
which is determined by the number of particles for that size
(4,6, & 14µm) and larger present in 1 ml of fluid. Each range is
double the range below. Refer to the chart below to see the
actual ranges.
ISO Cleanliness Levels
Achieving the appropriate
cleanliness level in a system
The only way to achieve and maintain the appropriate
cleanliness level in a hydraulic or lubrication system,
is to implement a comprehensive filtration program.
HYDAC offers all of the products that are needed
to do just that! - They include:
Solid Contamination
pressure filters
return line filters
offline filtration loops
oil transfer units for precleaning of new oil
portable and online contamination monitors
reservoir breathers and filler/breathers
Water Content
water content sensors
reservoir breathers with silica gel desiccant
vacuum dehydration water removal units
water removal elements
Fluid Analysis
bottle sampling kits
complete analysis kits
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23/21/18
17/15/12
20/18/15
14/12/9