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
1,865 Accredited labs
17 Countries

Showing 301–325 of 1,865 labs

COFRAC 1-1695 Cestas, FR
DIN EN 13486 IEC ISO 1496-2 – Conteneurs DIN EN 16440-1
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COFRAC 1-0301 Marne La Vallee Cedex 2, FR
NF P 92-501 NF P92-512 EN 13823 EN ISO 1716 NF P 92-504 + 3 more
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ACCREDIA 00526 Aci Sant'Antonio, IT
ISO 6888-1 ISO 14189 EPA 300.1 1997 ISO 4832 ISO 4833-1 + 3 more
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ACCREDIA 00554 Rubano, IT
DIN EN ISO 21404 DIN EN 16948 DIN EN 12457-2 EPA 3541 1994 DIN EN ISO 6888-2 + 3 more
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ACCREDIA 00172 Ancona, IT
DIN EN 1186-3 DIN EN ISO 7730 DIN EN 12457-2 DIN EN ISO 6888-1 DIN EN ISO 7393-2 + 3 more
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ENAC LE149 Móstoles, ES
UNE-EN 60567 IEC 60814 UNE-EN 61198 IEC 60247 UNE-EN 61619 + 3 more
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ENAC LE471 Madrid, ES
OM H-3 based on ISO 9698:2019 ISO 13164-4 SM 3111 UNE-EN ISO 13160 ISO 10704 + 3 more
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ENAC LE2543 Santa Cruz de Tenerife, ES
UNE-EN ISO 5667-19 UNE-EN ISO 16665 UNE-EN 19493
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ENAC LE1355 Carreño, ES
SM 2510 B SM 4500 H+ UNE 7027-1 UNE 7887 SM 4500-NO B 2 + 3 more
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ENAC LE349 Río Negro, ES
ISO 11290-1 ISO 11465 AOAC 2015.05 ISO 6579-1 AOAC 2012.01 + 3 more
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ENAC LE2151 Sevilla, ES
UNE-EN 136 UNE-EN 148-1 UNE-EN 140 UNE-EN 149 UNE-EN 13274-7 + 3 more
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ACCREDIA 02239 Volla, IT
EPA 3005 DIN EN 12457-2 DIN EN 15936 ISO 23695 EPA 6010 + 3 more
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ACCREDIA 00543 Salara, IT
ISO 15705 DIN EN ISO 16911-1 ISO 18593 ISO 23695 DIN EN ISO 4833-1 + 3 more
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ACCREDIA 00029 Busto Arsizio, IT
ISO 11423-1 DIN EN ISO 10523 BS EN ISO 17294-2 DIN EN ISO 15587-2 DIN EN ISO 7887 + 3 more
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CEREA SPA

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ACCREDIA 01987 Cerea, IT
ISO 15705 DIN EN ISO 10523 NF EN ISO 15587-2 et NF EN ISO 11885 DIN EN 12457-2 DIN EN ISO 3451-1 + 3 more
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COFRAC 1-0979 Bobigny, FR
NF X 31-615 (Uniquement NF X 43-257 NF X 43-259 DIN EN 27888 DIN EN ISO 10523 + 3 more
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COFRAC 1-1209 Garons, FR
DIN EN 1988-1 DIN EN ISO 17294-2 NF T 90-412 DIN EN ISO 7899-1 DIN EN ISO 10304-1 + 3 more
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COFRAC 1-0894 Lieu Saint-Amand, FR
NF V 04-407 NF T 90-412 DIN EN ISO 6888-1 NF V04-403 NF V04-408 + 3 more
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COFRAC 1-5710 Saint-Quentin, FR
NF EN 12802 (inventaire ISO 2811-1 NF T 30-012 DIN EN 15182-4 DIN 51436 + 3 more
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COFRAC 1-5697 Aix-En-Provence, FR
DIN EN 12593 DIN EN 1097-4 DIN EN 933-1 DIN EN 12607-1 DIN EN 1427 + 3 more
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COFRAC 1-5706 Toulouse, FR
DIN EN 12390-6 DIN EN 62196-1: 2015 DIN EN 12390-3 NF P 98-532 NF P 98-533 + 3 more
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ACCREDIA 00719 Longarone, IT
ISO 17234-1 ISO 4045 EPA 8270 ISO 17234-2 DIN EN ISO 17075-1 + 3 more
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UKAS 2338 Burton-upon-Trent, GB
DIN EN 13284-1 BS ISO 9096:2017 requirements of BS EN 15259:2007 Standard and BS EN 15259:2007 DIN EN ISO 16911-1 + 3 more
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DAkkS D-K-19566-01-00 Hilden, DE
Druck * > –0,12 bar bis negativer und positiver Überdruck p e > –0,01 bar bis > 0,03 bar bis + 3 more
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COFRAC 1-7246 Cherbourg-En-Cotentin, FR
NF EN ISO 6892-1 (méthode DIN EN ISO 9016 DIN EN ISO 5178 ISO 11148-1
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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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