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
1,865 Accredited labs
17 Countries

Showing 251–275 of 1,865 labs

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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Biosearch

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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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Bizerba SE &

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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-PL-22936-01-01 Löffingen, DE
DIN EN 61000-3 IEC 61000-3-2: 2014 IEC 61000-3-3 IEC 61000-3-11: 2017 IEC 61000-3-12: 2011 + 3 more
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Blower Door

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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 24592 Barry, GB
TORQUE
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UKAS 9230 Warrington, GB
ÖNORM EN ISO 3452-1 BS 3923-1:1986(Withdrawn) ASTM E165-23 BS 4124:1991(Withdrawn) DIN EN 10228-3 + 3 more
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UKAS 0295 Norwich, GB
(HSG 264, 2012)
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UKAS 0103 Meltham, GB
Inch Millimetre
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UKAS 10636 Earby, GB
ISO 20768:2018)
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UKAS 2245 Uxbridge, GB
Based on ISO 10312:2019 and ISO SOP 16 by XRD (ISO BS EN
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Brändle

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DAkkS D-PL-11129-01-01 Schramberg, DE
Technical cleanliness — particle contami Technical cleanliness of fluid system co
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DAkkS D-PL-12084-01-00 Hamburg, DE
IEC 60945 IEC 61162-1 IEC 61162-2 IEC 61162-450 IEC 61162-460 + 3 more
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DAkkS D-K-15063-01-00 Berlin, DE
Radioaktivität 50 Bq/m³ Radon-222- 100 Bq/m³ tration in Luft 200 Bq/m³ + 3 more
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DAkkS D-PL-11075-01-01 Berlin, DE
DIN EN ISO 2808 DIN EN ISO 3219-2 DIN EN ISO 3838 DIN EN 933-1 DIN EN 933-4 + 3 more
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DAkkS D-K-11075-08-00 Berlin, DE
Conformity assessment — requirements for Railway composite brake blocks — require 0,2 kN 0,4 kN 100 kN + 3 more
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DAkkS D-ML-13381-01-01 Berlin, DE
NRBC-Normoblasten Anteil unreifer Retikulozyten Erythrozyten DELTA-He Leukozyten + 3 more
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DAkkS D-ML-13381-01-00 Berlin, DE
Blutungszeit PFA ADP Blutungszeit PFA EPI PFA-P2Y Erythrozyten Hämatokrit + 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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