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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COFRAC 1-1366 - St Aunes 135 Rue De La Garriguette, FR
DIN EN ISO 6888-2 DIN ISO 16649-2 DIN EN ISO 11930 DIN EN ISO 6888-3 DIN EN ISO 16649-3 + 3 more
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DAkkS D-K-15060-01-00 Dettingen unter Teck, DE
Messschieber für 0 mm Außen-, Innen- und > 500 mm > 1000 mm Tiefenmessschieber * 0 mm Sondermessschieber 0 mm + 3 more
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COFRAC 1-0752 Vitre Cedex, FR
DIN EN ISO 21528-2 DIN EN ISO 6888-2 DIN ISO 16649-2 NF V08-054 DIN EN ISO 16649-3 + 3 more
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COFRAC 1-5057 Alfortville, FR
DIN EN ISO 17294-2 NF T 90-412 DIN EN ISO 21528-2 DIN EN ISO 6888-2 DIN ISO 16649-2 + 3 more
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ACCREDIA 00929 San Severo, IT
DIN 3388-4 DIN EN 12457-2 EPA 6020 DIN EN ISO 6888-1 BS EN 15662 + 3 more
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ACCREDIA 00467 Tromello, IT
DIN EN 12457-2 DIN EN 17322 EPA 3535 ISO 19250 EPA 3630 + 3 more
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ACCREDIA 00460 Pisa, IT
DIN EN ISO 20595 DIN EN ISO 6888-1 DIN EN ISO 10304-1 ISO 4832 DIN EN 12673 + 3 more
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ACCREDIA 00485 Fermo, IT
DIN EN 1186-3 DIN EN ISO 6888-2 ISO 16649-2 ISO 18593 ISO 21528-2 + 3 more
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UKAS 20835 Warmley, GB
(HSG 264, 2012)
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ACCREDIA 00464 Roma, IT
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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ACCREDIA 00566 Sant'Atto, IT
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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ACCREDIA 00823 Valenzano, IT
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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ACCREDIA 01355 Città della Pieve, IT
DIN EN 12457-2 EPA 3545 DIN EN ISO 10304-1 UNI 10802 DIN EN ISO 15587-1 + 3 more
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ACCREDIA 01246 Ponte, IT
EPA 300.1 1997 ISO 23697-1 DIN EN ISO 15587-2 ISO 23695 EPA 5030 + 3 more
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COFRAC 1-1298 La Vaupaliere, FR
DIN EN ISO 6507-1 DIN EN ISO 1463 ISO 2808 Méthode 6A – ISO 18413 ISO 4407 + 1 more
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UKAS 4352 Liverpool, GB
ISO 5983-1:2005/Cor.1:2008, ISO20483:201 07L.1.07 based on ISO 6865:2001 ISO 712 07L.1.02 based on ISO 6496:1999, ISO 12966-2 + 3 more
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ENAC LE258 Móstoles, ES
UNE-EN ISO 6506-1 ASTM E 18 ASTM E 9 UNE-EN ISO 6507-1 ASTM B557 + 3 more
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ENAC LC10.098 San Ginés, ES
EURAMET cg-18 CEM Ed CEM GUIA CEM TH-001 CEM TH-007 + 3 more
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ENAC LE1105 Valencia, ES
DIN EN 13864 DIN EN 14808 DIN EN 12235 ISO 2549 ISO 4919 + 3 more
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ENAC LE016 Ibi, ES
UNE-EN 71-1 ISO 8124-1 ISO 8124-2 ASTM F963-17 (NM_001718: c.1-c.500) + 3 more
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ENAC LE025 Alcoi, ES
DIN EN ISO 11612 DIN EN ISO 3175-2 ISO 17493 DIN EN ISO 17227 DIN EN ISO 6330 + 3 more
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ENAC LE004 Castellón de la Plana, ES
UNE-EN ISO 10545-2 UNE-EN ISO 10545-3 ASTM C373 UNE-EN ISO 10545-4 UNE-EN ISO 10545-5 + 3 more
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ENAC LC10.028 Valladolid, ES
0 mV ≤ U < 200 mV 0,2 V ≤ U < 2 V 2 V ≤ 1 mV ≤ U < 220 mV 0,22 V ≤ U < 2,2 V 2,2 0 mV ≤ U ≤ 100 mV 0,1 V < U ≤ 1 V 1 V < 0 μA ≤ I < 200 μA 0,2 mA ≤ I < 2 mA 2 mA 0 μA ≤ I < 220 μA 0,22 mA ≤ I < 2,2 mA 2 + 3 more
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ENAC LE2422 Toledo, ES
UNE-EN 772-11 UNE 136029 DIN 4772:1979 DIN EN 16510-2-4 DIN EN 17539 + 3 more
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ACCREDIA 00365 Teramo, IT
ISO 5667-5 DIN EN 12457-2 ISO 18787 DIN EN ISO 6888-1 UNI 10802 + 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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