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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cartridges, based on HTM 2030 9.201 to 9.212 and BS EN ISO 35 °C/3 days based on HTM 2030 section 9.201 to 9.212, BS EN ISO 15883-1:2009 6.4.2.3 and + 3 more
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Metrologic, Software von Metrologic Group ≤ 9090 mm CAM 2, Software von Münchingen, D Chur, CH, ≤ 5000 mm + 3 more
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(HSG 264, 2012)
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(HSG 248) – 2021 E203 based on HSG 248 (PCM) based on HSG 248 E200 based on HSG 248 E201 based ISO 14966:2019 using + 1 more
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UKAS 9372 West Chiltington, GB
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Vickers hardness test (ISO 6507) Koordinatenmessgeräte Koordinatenmessger Steuerungssoftware Messvolumen mit einer Metromec CM, Software Raumdiagonale von von Metromec Software ≤ 750 mm + 3 more
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UKAS 9260 Dukinfield, GB
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ISO 13720 ISO 6888-1 ISO 17604 AOAC 2012.01 2016 BS 7889:1997 (withdrawn) + 3 more
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ASTM E 415 21 DIN EN 10164 DIN EN ISO 3651-1 ASTM A 262-15 ASTM G48-11 + 3 more
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COFRAC 1-2303 Thiant, FR
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EPA 3005 EPA 6020 DIN EN 12457-2 EPA 3630 DIN EN ISO 10304-1 + 3 more
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DIN EN 27888 DIN EN ISO 10523 DIN EN ISO 7393-2 NF X 31-615 (Uniquement
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COFRAC 1-1249 Fraisses, FR
(BS EN ISO 6892-1: 2019) DIN EN 10002-1 ISO 6892-1 -2009 ASTM E8/E 8M ISO 6892-1 -2016 + 3 more
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DAkkS D-K-12115-01-00 Minden, DE
Absolutdruck p abs positiver Überdruck Positiver Überdruck p e Überdruck p + 3 more
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TEMPERATURE PRESSURE AC VOLTAGE (continued) DC VOLTAGE Generation only + 3 more
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(HSG 248) – 2021 staining based on HSG 248 QP23 based on HSG 248 (PCM) based on HSG 248
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UKAS 2742 Canvey Island, GB
Analysts’ Guide (HSG 248) (PCM) based on HSG 248
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(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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COFRAC 1-6001 Riorges, FR
NF ISO 21438-3 NF X 43-269 NF ISO 21438-1 DIN EN ISO 16017-2 NF X 43-259 + 3 more
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UNI 11757 ISO 15705 DIN EN ISO 10304-4 UNI 10506 ISO 23695 + 3 more
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DIN EN ISO 9308-2 DIN EN ISO 10705-2 DIN EN ISO 11704 DIN EN ISO 10304-4 DIN EN ISO 21676 + 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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