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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COFRAC 1-5603 Petite-Foret, FR
DIN EN ISO 11546-1 prEN 16185-2 EN 15595 (hors essais au
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IEC 60068-2-1 IEC 60068-2-2 UNE-EN 60068-2-14 UNE-EN 60068-2-78 IEC 60068-2-6 + 3 more
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ACCREDIA 01267 Castano Primo, IT
DIN EN 12457-2 DIN EN ISO 11732 DIN EN ISO 10304-1 UNI 10802 EPA 5035 + 3 more
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DAkkS D-K-15032-02-00 Weiterstadt, DE
Railway brake — magnetic track brakes (U auch als Vor-Ort-Kalibrierung Rillentiefe Pt auf 0,2 µm Tiefeneinstellnormalen Rauheit auf Raunormalen + 3 more
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COFRAC 1-7298 Saint Etienne Du Rouvray, FR
NF X 43-269 NF X 43-269 - Annexe K NF X43-050 (parties utiles de ISO 22262-1 NF X 43-050 + 1 more
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ACCREDIA 00601 Genova, IT
ISO 562 DIN EN 16948 ISO 11722 DIN EN ISO 16266-2 DIN EN ISO 10304-1 + 3 more
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ACCREDIA 00718 Angri, IT
DIN 3388-4 DIN EN 12457-2 NEN-EN 16618 DIN CEN ISO 15216-2 EPA 3545 + 3 more
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ACCREDIA 00345 Arzignano, IT
ISO 7150-1 EPA 7199 1996 ISO 10530 ISO 9377-2 EPA 3535 + 3 more
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COFRAC 1-7202 Courbevoie, FR
DIN EN 14385 ETSI EN 301 489-1 V2.2.3 2019-11 NF X43-551 IS EN 1948-1:2006 2006 DIN EN 14789 + 3 more
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UKAS 2136 Hebburn, GB
QOP03 based on HSG 248 QOP01 based on HSG 248 (HSG 248) – 2021 (PCM) based on HSG 248
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UKAS 0347 Hebburn, GB
(HSG 264, 2012)
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ENAC LC10.017 Leganés, ES
CEM DI-002 EURAMET CG-2 CEM DI-014 CEM DI-006 CEM DI-016 + 3 more
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ENAC LE201 Sada, ES
ISO 6059 ASTM D 1209 UNE-EN ISO 8467 SM 4500-NH D 3 UNE 77048 + 3 more
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ACCREDIA 00617 Merate, IT
ISO 15214 AOAC 997.02 2000 ISO 18787 AOAC 2012.01 2016 ISO 21528-2 + 3 more
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ENAC LE2307 Puertollano, ES
ISO/IEC 25010 ISO/IEC 25040 ISO/IEC 25012 ISO/IEC 5259-2
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COFRAC 1-1366 - St Aunes 135 Rue De La Garriguette, FR
DIN EN ISO 6888-2 DIN ISO 16649-2 DIN EN ISO 11930 DIN EN ISO 6888-3 DIN EN ISO 16649-3 + 3 more
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DAkkS D-K-15060-01-00 Dettingen unter Teck, DE
Messschieber für 0 mm Außen-, Innen- und > 500 mm > 1000 mm Tiefenmessschieber * 0 mm Sondermessschieber 0 mm + 3 more
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COFRAC 1-7428 Saint Germain Du Puch, FR
DIN ISO 17289 NF T 90-395 NF T 90-354 NF T 90-393 NF T 90-328 + 3 more
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COFRAC 1-0752 Vitre Cedex, FR
DIN EN ISO 21528-2 DIN EN ISO 6888-2 DIN ISO 16649-2 NF V08-054 DIN EN ISO 16649-3 + 3 more
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COFRAC 1-2194 Plancy L'Abbaye, FR
NF T 90-412 DIN EN ISO 7899-1 DIN EN ISO 10304-1 DIN EN 12880 ISO 5815-1 + 3 more
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AQUATYCIA

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COFRAC 1-5057 Alfortville, FR
DIN EN ISO 17294-2 NF T 90-412 DIN EN ISO 21528-2 DIN EN ISO 6888-2 DIN ISO 16649-2 + 3 more
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ACCREDIA 00929 San Severo, IT
DIN 3388-4 DIN EN 12457-2 EPA 6020 DIN EN ISO 6888-1 BS EN 15662 + 3 more
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ACCREDIA 00467 Tromello, IT
DIN EN 12457-2 DIN EN 17322 EPA 3535 ISO 19250 EPA 3630 + 3 more
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ACCREDIA 00460 Pisa, IT
DIN EN ISO 20595 DIN EN ISO 6888-1 DIN EN ISO 10304-1 ISO 4832 DIN EN 12673 + 3 more
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ACCREDIA 00485 Fermo, IT
DIN EN 1186-3 DIN EN ISO 6888-2 ISO 16649-2 ISO 18593 ISO 21528-2 + 3 more
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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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