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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DIN EN 1186-3 DIN EN ISO 6888-2 ISO 16649-2 ISO 18593 ISO 21528-2 + 3 more
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DIN EN 12457-2 ISO 18787 DIN EN ISO 6888-1 DIN EN ISO 15213-2 DIN EN ISO 9308-2 + 3 more
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DIN EN ISO 9308-2 ISO 15705 VDE 414-9-11 AOAC 2012.01 2016 DIN EN ISO 10304-1 + 3 more
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NF EN 15204 BS EN 15662 DIN EN 15634-1 AOAC 2012.01 2016 DIN EN ISO 10304-1 + 3 more
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DIN EN 12457-2 EPA 3545 DIN EN ISO 10304-1 UNI 10802 DIN EN ISO 15587-1 + 3 more
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EPA 300.1 1997 ISO 23697-1 DIN EN ISO 15587-2 ISO 23695 EPA 5030 + 3 more
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ISO 5667-5 DIN EN 12457-2 ISO 18787 DIN EN ISO 6888-1 UNI 10802 + 3 more
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ISO 6888-1 ISO 18787 ISO 4831 ISO 11731 ISO 4833-1 + 3 more
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ACCREDIA 02321 Roma, IT
IEC 15408-1 IEC 18045 IEC 18367 IEC 20543 IEC 20004
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ACCREDIA 01300 Modugno, IT
DIN EN 12457-2 DIN EN ISO 10304-1 DIN EN 13040 DIN EN 14346 NF EN ISO 15587-2 et NF EN ISO 11885 + 3 more
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DIN EN 1484 EPA 8260 DIN EN 17892 EPA 3510 UNI 10506 + 3 more
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ISO 6888-1 ISO 9308-1 ISO 16649-2 ISO 18593 DIN EN ISO 4833-1 + 3 more
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ISO 14669 ISO 11423-1 DIN EN 15634-1 DIN EN ISO 15587-1 ISO 14189 + 3 more
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ISO 18287 DIN EN 12457-2 EPA 6020 EPA 3015 DIN 51750-3 + 3 more
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ACCREDIA 02108 VEZZANO LIGURE, IT
DIN 3388-4 DIN EN 12457-2 ISO 5667-5 DIN EN ISO 10304-1 UNI 10802 + 3 more
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ACCREDIA 01112 Settimo di Pescantina, IT
EPA 3005 EPA 6020 DIN EN 12457-2 DIN EN ISO 6888-1 UNI 10802 + 3 more
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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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ACCREDIA 00619 Lanciano, IT
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ACCREDIA 00176 Campi Bisenzio, IT
DIN EN 15634-1 UNI 10507 ISO 19250 DIN EN ISO 7393-2 DIN EN ISO 14402 + 3 more
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ACCREDIA 00740 Modena, IT
ISO 18787 DIN EN ISO 6888-1 UNI 10590 DIN EN 61442 DIN EN ISO 15587-1 + 3 more
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ACCREDIA 00564 Torino, IT
ISO 6888-1 ISO 14189 ISO 11731 ISO 4832 ISO 4833-1 + 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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