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
๐Ÿ‡ฉ๐Ÿ‡ช DIN EN ISO 4406 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN ISO 4406 ๐Ÿ‡ซ๐Ÿ‡ท NF EN ISO 4406 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN ISO 4406 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN ISO 4406 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN ISO 4406
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DIN EN ISO 6888-1 ISO 14698-1 ISO 4832 DIN EN ISO 11290-1 DIN EN 13098 + 3 more
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ASTM E 415 21 DIN EN 15266 ASTM D 1329 UNI EN ISO 22391 DIN EN ISO 10140-1 + 3 more
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ETSI EN 301 489-1: V2.2.3 IEC 62109-1 DIN EN 50178: 1998 IEC 61000-4-16: 2015 IEC 62109-2 + 3 more
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ISO 5667-5 DIN EN 12457-2 DIN EN 17322 EPA 3545 DIN 51750-3 + 3 more
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ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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DIN EN 60068-2-30 IEC 61000-6-1 AS/NZS CISPR 22:2006 IEC 61000-6-2: 2005 ETSI EN 303 446-2 + 3 more
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ISO 13720 ISO 17604 ISO 18787 DIN EN ISO 6888-1 ISO 14698-1 + 3 more
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DIN EN 13098 DIN EN ISO 4833-2 ISO 14698-1 ISO 21527-2
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ISO 4832 ISO 9308-1 ISO 4833-1 ISO 18593 ISO 19458 + 3 more
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ISO 6888-1 DIN EN ISO 15213-2 ISO 14189 ISO 11731 ISO 4832 + 3 more
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AOAC 2012.01 2016 UNI 10590 DIN EN ISO 6888-2 ISO 11443 DIN EN ISO 10272-1 + 3 more
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ISO 15705 ISO 11731 DIN EN ISO 9377-2 BS EN 15662 AOAC 2012.01 2016 + 3 more
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ISO 11737-2 BS EN ISO 11737-1:2018 ISO 11737-3 ISO 10993-12 BS EN ISO 14644-1:2015 + 2 more
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ISO 10195 DIN EN ISO 11641 DIN EN ISO 3377-1 DIN EN ISO 11642 DIN EN ISO 17228 + 3 more
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DIN EN ISO 11546-1 UNI EN ISO 9295 DIN EN ISO 11957 ISO 354 ISO 3741 + 3 more
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NEN-EN 16618 ISO 6888-2 ISO 18787 DIN EN 15634-1 ISO 11731 + 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 โ€” Fluids for general applications โ€” Coding of the degree of cleanliness
  • DIN EN ISO 16232 Road vehicles โ€” Cleanliness of components for fluid circuits
  • VDA Band 19.1 Technical cleanliness โ€” Particle contamination of functionally relevant parts

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