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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ACCREDIA 01119 Santa Croce sull'Arno, IT
ISO 16181-1 NF EN ISO-15587-2 ISO 16186 DIN EN ISO 17229 DIN EN ISO 17232 + 3 more
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ACCREDIA 00783 Follonica, IT
DIN EN 12457-2 DIN EN ISO 6888-1 UNI 10802 DIN EN 12880 ISO 4832 + 3 more
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ACCREDIA 01019 Isera, IT
DIN EN ISO 6888-1 ISO 14698-1 DIN EN ISO 15213-2 ISO 11731 ISO 4832 + 3 more
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ACCREDIA 00909 Roma, IT
DIN EN 12457-2 ISO 14698-1 ISO 11731 ISO 4832 DIN EN 13137 + 3 more
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ACCREDIA 00688 Fidenza, IT
ISO 6888-2 ISO 18787 ISO 4833-1 UNI 03 ISO 14501 + 3 more
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DAkkS D-ML-13452-02-00 Berlin, DE
Hämoglobin Differentialblutbild Erythrozyten Großes Blutbild Kleines Blutbild + 3 more
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DAkkS D-ML-13452-10-00 Freiburg, DE
Okkultes Blut Großes Blutbild Kleines Blutbild Retikulozyten Thrombozyten + 3 more
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DAkkS D-ML-13452-01-01 Ingelheim, DE
2C-B 2C-I 3-Hydroxy-Bromazepam 5-Hydroxyindolessigsäure 6-Acetylcodein + 3 more
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DAkkS D-ML-13452-05-00 Jena, DE
Zelldifferenzierung Erythrozyten Großes Blutbild Hämoglobin Kleines Blutbild + 3 more
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DAkkS D-ML-13452-07-00 Mainz, DE
Hämoglobin (immunologisch) CA 125 CA 15-3 CA 19-9 CA 72-4 + 3 more
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DAkkS D-ML-13452-06-00 Moers, DE
Hämoglobin Natriumchlorid Kalium Natrium Eiweißelektrophorese: Albumin, Alpha-1-G + 3 more
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DAkkS D-ML-13322-01-00 Karlsruhe, DE
10-OH-Carbazepin 11-Deoxycortisol 17-OH-Progesteron 21-Deoxycortisol 25-OH Vitamin D2 + 3 more
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DAkkS D-ML-19774-01-01 Gießen, DE
Thrombozytenfunktion 5-Hydroxyindolessigsäure Adrenalin Amiodaron, Desmethylamiodaron Carbohydrate-deficient + 3 more
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DAkkS D-ML-13031-01-01 St. Ingbert, DE
Lamotrigin Metanephrine, Normetanephrine Erythrozyten Aripiprazol Lymphozyten + 3 more
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ACCREDIA 00752 Aragona, IT
ISO 5667-5 DIN EN 12457-2 ISO 18787 DIN EN ISO 6888-1 DIN EN ISO 7393-2 + 3 more
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UKAS 0726 Garretts Green, GB
(HSG 248) – 2021 ) (PCM) based on HSG 248) (PCM) based on HSG 248 staining based on HSG 248 (HSG 264, 2012)
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DAkkS D-PL-15018-01-00 Balingen, DE
IEC 61000-4-2: 2008 IEC 61000-4-3: 2006 IEC 61000-4-4: 2012 IEC 61000-4-5: 2005 IEC 61000-4-6: 2013 + 3 more
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DAkkS D-K-19788-01-00 Springe-Eldagsen, DE
Positiver und negativer verwendete Abkürzungen: DKD-R
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UKAS 4597 Glasgow, GB
DIN EN 16777 DIN EN 13697 DIN EN ISO 11127-6 DIN EN 1650 DIN EN 14476
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DAkkS D-PL-22789-01-00 Tübingen, DE
DIN ISO 5667-5 (A 14) DIN 38402-A 19 DIN EN ISO 19458 (K 19) DIN 19643-1 DIN EN 1622 (B 3) + 3 more
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UKAS 1155 Halesowen, GB
staining based on HSG 248 (HSG 248) – 2021 (PCM) based on HSG 248 (HSG 264:2012)
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UKAS 7864 Bridgend, GB
(HSG 248) – 2021 P10.2 based on HSG 248 (PCM) based on HSG 248
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ACCREDIA 01541 Roma, IT
ISO 16992 ISO 28580
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UKAS 0295 Norwich, GB
(HSG 264, 2012)
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UKAS 10636 Earby, GB
ISO 20768:2018)
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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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