ISO 16232

Technical cleanliness of fluid system components

ISO 16232 specifies methods for assessing particle contamination in hydraulic, fuel, and coolant system components used in road vehicles. This standard defines procedures for extracting, counting, and classifying particles from functional parts like injectors, pumps, valves, and filters. The test is critical for automotive suppliers and OEMs to ensure component reliability and prevent system failures caused by particulate matter. ISO 17025 accreditation for this test guarantees metrological traceability and consistent contamination classification across European supply chains.

What it measures

  • Particle size distribution (ISO 4406 code classification)
  • Total particle count per component
  • Contamination class of hydraulic fluid
  • Fuel system particulate contamination
  • Coolant circuit cleanliness level
🇩🇪 DIN EN ISO 4406 🇬🇧 BS EN ISO 4406 🇫🇷 NF EN ISO 4406 🇮🇹 UNI EN ISO 4406 🇪🇸 UNE EN ISO 4406 🇳🇱 NEN EN ISO 4406
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DIN EN ISO 2505 ISO 18553 AMD 1 DIN EN 12099 ISO 13480 ISO 6964 + 3 more
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RvA I081 Rotterdam, NL
NEN 3650-2 NEN 3650-1 NEN 3650-3 NEN 3651 NPR 3659
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ISO 15202-3 NF X43-551 NF X 43-317 NF X 43-294 (juin DIN EN ISO 16017-2 + 3 more
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UKAS 4701 Pencoed, GB
DIN EN 13032-4 BS EN ISO 13032-1 +A1:2012 IEC 62612 ed1.0 (2013-06) IEC 62722-1 ed1.0 (2014-09) IEC 62722-2-1 ed1.0 (2014-11) + 3 more
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COFRAC 1-0641 Digne Les Bains Cedex, FR
DIN EN ISO 17604 DIN EN ISO 6888-1 DIN EN ISO 6888-2 DIN ISO 16649-2 BS ISO 15214:1998 + 3 more
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ACCREDIA 02283 Ponte a Egola - San Miniato, IT
DIN EN 13520 DIN EN 1010-5 DIN EN 1570-1 DIN EN ISO 17228 DIN EN ISO 11640
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ACCREDIA 02113 Ferrandina, IT
ISO 5667-10 UNI 10780 ISO 15705 DIN EN ISO 10523 BS EN ISO 17294-2 + 3 more
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ACCREDIA 00129 San Giovanni Teatino, IT
EPA 3511 2014 EPA 1613 DIN EN 1484 UNI 10511-1 EPA 3620 + 3 more
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ACCREDIA 00360 Sona, IT
DIN EN ISO 21571 ISO 18787 DIN EN ISO 6888-1 AOAC 2012.01 2016 DIN EN ISO 6888-2 + 3 more
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Labor Berlin - Charité Vivantes Services

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DAkkS D-ML-19677-01-01 Berlin, DE
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Labor von Froreich

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DAkkS D-ML-19669-01-00 Hannover, DE
Differentialblutbild Automat Eosinophile, Basophile, Normoblasten, so Hämoglobin Natriumchlorid Glucose + 3 more
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DAkkS D-ML-18419-01-00 Lübeck, DE
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Industries

Automotive component manufacturing Hydraulic systems Fuel injection systems Vehicle manufacturing Industrial fluid power systems

Related Standards

  • ISO 4406 Hydraulic fluid power fluids — Fluids for general applications — Coding of the degree of cleanliness
  • DIN EN ISO 16232 Road vehicles — Cleanliness of components for fluid circuits
  • VDA Band 19.1 Technical cleanliness — Particle contamination of functionally relevant parts

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