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
1,644 Accredited labs
15 Countries

Showing 151–175 of 1,644 labs

UKAS 10194 Hockliffe, GB
Analysts’ Guide (HSG 248 (PCM) based on HSG 248
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UKAS 0298 East Kilbride, GB
(HSG 264, 2012)
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UKAS 24642 Mansfield Woodhouse, GB
(HSG 264, 2012)
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UKAS 0472 Grays, GB
(HSG 248) – 2021 QOP03 based on HSG 248 (PCM) based on HSG 248 (PCM) based on HSG 248) QOP01 based on HSG 248 + 1 more
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UKAS 10792 Mansfield Woodhouse, GB
(HSG 248) – 2021 (PCM) based on HSG 248
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UKAS 6958 Witney, GB
(HSG 264, 2012) (HSG 248) – 2021
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UKAS 4234 Slough, GB
(HSG 248) – 2021 (PCM) based on HSG 248 (HSG 264, 2012)
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UKAS 4311 Elgin, GB
(HSG 264, 2012)
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UKAS 2544 Hebburn, GB
QOP03 based on HSG 248 QOP01 based on HSG 248 (HSG 248) – 2021 (PCM) based on HSG 248
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DAkkS D-K-15079-01-00 Alsdorf, DE
Absolutdruck p abs 0,015 bar > 2 bar > 42 bar Absolutdruck Pabs 1 bar; 2 bar + 3 more
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DAkkS D-PL-22860-01-01 Reutlingen, DE
DIN 55635 VDE 0468-2-14 VDE 0468-2-1 VDE 0468-2-5 DIN EN 60068-2-30 + 3 more
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UKAS 30103 Nottingham, GB
(HSG 264, 2012)
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ACCREDIA 00595 Cuneo, IT
ISO 17604 ISO 18787 DIN EN ISO 6888-2 ISO 14189 ISO 21543 + 3 more
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UKAS 0438 London, GB
(HSG 264, 2012)
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UKAS 30612 Cambridge Biomedical Campus, GB
DC CURRENT AC VOLTAGE (continued) AC CURRENT AC Voltage DIMENSIONAL + 3 more
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UKAS 4696 Rochford, GB
Analysts’ Guide (HSG 248) (HSG 248) – 2021 Asbestos: The (PCM) based on HSG 248
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DAkkS D-K-17447-01-01 Essen, DE
Conformity assessment — requirements for Druckkraftrichtung Drehmoment 0,01 N∙m Drehmomentaufnehmer * Drehmomentmessgeräte * + 3 more
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UKAS 0612 Orpington, GB
(HSG 248) – 2021 ) (PCM) based on HSG 248 Surveying) based on HSG 248
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ENAC LE1004 Logroño, ES
IEC 61400-11:2012/ AMD:2018 IEC 61400-12-2 IEC 61400-50-2 IEC 61400-12-1 IEC 61400-12-3 + 3 more
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UKAS 7511 Brentwood, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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DAkkS D-PL-18204-01-02 Kernen im Remstal, DE
DIN EN ISO 10993-5 DIN EN ISO 10993-1 DIN EN ISO 17405 DIN EN ISO 11737-2 DIN EN ISO 11137-1 + 3 more
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BDA Surveying

Active
UKAS 2791 Oadby, GB
(HSG 248) – 2021 (PCM) based on HSG 248
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BDA Surveying

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UKAS 0365 Oadby, GB
(HSG 264, 2012)
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UKAS 10646 Lincoln, GB
5 of HSG 227 (2004)) (HSG 264, 2012)
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BETALAB

Active
ACCREDIA 00549 Villa Carcina, IT
EPA 6020 DIN EN ISO 10304-1 NEN-EN 13191-1 DIN EN ISO 21877 ISO 23695 + 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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