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
1,644 Accredited labs
15 Countries

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COFRAC 1-0714 Biot, FR
DIN EN ISO 21528-2 DIN EN ISO 6888-2 DIN ISO 16649-2 ISO 5815-1 BS ISO 15214:1998 + 3 more
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COFRAC 1-0820 Grenoble, FR
DIN EN ISO 17604 DIN EN ISO 21528-2 DIN EN ISO 6888-2 DIN ISO 16649-2 NF V08-054 + 3 more
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COFRAC 1-6790 Mont De Marsan, FR
NF U47-036-1 NF T 90-412 DIN EN ISO 6888-1 DIN EN ISO 21528-2 DIN EN ISO 7899-1 + 3 more
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COFRAC 1-1847 Lyon 7Eme, FR
DIN EN 10002-1 BS ISO 9227:2022 DIN EN ISO 643 EN ISO 12624 DIN EN 10045-1 + 3 more
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LAREBRON

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COFRAC 1-2387 Illkirch-Graffenstaden, FR
DIN EN ISO 6888-2 DIN ISO 16649-2 DIN EN ISO 6888-3 DIN EN ISO 16649-3 BS ISO 7251 + 3 more
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LDA 13

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COFRAC 1-1290 Marseille Cedex 13, FR
NF V08-106 DIN EN ISO 17294-2 NF T 90-412 NF U47-105 DIN EN ISO 7899-1 + 3 more
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COFRAC 1-2193 Bourg-En-Bresse Cedex 9, FR
DIN EN ISO 17604 NF V08-401 0.95) based on BS ISO 21527-2:2008 DIN EN ISO 6888-2 DIN ISO 16649-2 + 3 more
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LDAR 16

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COFRAC 1-1182 Angoulême, FR
DIN EN ISO 17294-2 DIN EN ISO 14403-2 NF T 90-412 DIN EN ISO 21528-2 VDE 414-9-11 + 3 more
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COFRAC 1-0606 Trappes Cedex, FR
DIN EN ISO 2505 ISO 18553 AMD 1 DIN EN 12099 ISO 13480 ISO 6964 + 3 more
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COFRAC 1-1531 Venissieux, FR
ISO 15202-3 NF X43-551 NF X 43-317 NF X 43-294 (juin DIN EN ISO 16017-2 + 3 more
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LVD 04

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COFRAC 1-0641 Digne Les Bains Cedex, FR
DIN EN ISO 17604 DIN EN ISO 6888-1 DIN EN ISO 6888-2 DIN ISO 16649-2 BS ISO 15214:1998 + 3 more
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COFRAC 1-6321 Sainte Clotilde, FR
DIN EN ISO 7932 DIN EN ISO 6579-1 DIN EN ISO 15213-2 ISO 18743 NF V08-050 + 3 more
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COFRAC 1-2417 Nogent, FR
ASTM E 384 ASTM E 340 DIN EN ISO 6508-1 ASTM E8/E 8M DIN EN ISO 6507-1 + 3 more
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COFRAC 1-6419 Sainghin-En-Melantois, FR
DIN EN 17126 DIN EN 14562 DIN EN 14348 IEC 60127-5 DIN EN 14563 + 3 more
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LEAV

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COFRAC 1-1064 La Roche-Sur-Yon Cedex 9, FR
DIN ISO 11665-4 DIN 53483-2 DIN EN ISO 7937 NF V08-050 NF V 08-060 + 3 more
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METROPACK

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COFRAC 1-6986 Reims, FR
ISO 11607-1 ASTM F1886 BS EN ISO 11607-1:2020+A11 NF EN 868-5 annexe D ASTM F88 DIN EN 12758 + 3 more
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COFRAC 1-6871 Ronchin, FR
NF T90-111 DIN EN ISO 17294-2 NF T 90-412 DIN EN ISO 6888-1 DIN EN ISO 7899-1 + 3 more
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MICROLAB

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COFRAC 1-7470 Saint Pierre-La Reunion, FR
VDE 414-9-11 DIN EN ISO 10304-1 NF V08-059 DIN EN ISO 10272-2 BS ISO 15214:1998 + 3 more
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COFRAC 1-1151 Saint-Julien-Les-Metz, FR
DIN EN 16215 DIN ISO 11465 DIN EN 12880 NF X43-551 ISO 16703 + 3 more
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COFRAC 1-7500 Nanterre, FR
DIN EN 14511-2 DIN EN 14511-3 DIN EN 14511-4 DIN EN 14825 NF EN 16147
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COFRAC 1-7442 Montbonnot Saint Martin, FR
NF T 90-412 DIN EN ISO 7899-1 DIN EN ISO 10304-1 DIN EN ISO 6888-2 NF V08-054 + 3 more
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NORMEC ADGENE

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COFRAC 1-7356 Thury-Harcourt-Le-Hom, FR
NF T 90-412 DIN EN ISO 21528-2 DIN EN ISO 6888-2 DIN ISO 16649-2 NF V08-054 + 3 more
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NORMEC AQS

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COFRAC 1-7515 Egletons, FR
DIN EN ISO 7932 DIN ISO 11665-4 DIN EN ISO 6579-1 NF V 04-415 NF V 04-407 + 3 more
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NORMEC AVIMAR

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COFRAC 1-10019 Challans, FR
DIN EN ISO 7932 DIN EN ISO 6579-1 DIN EN ISO 15213-2 NF U47-100 NF V08-050 + 3 more
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COFRAC 1-7395 Lahonce, FR
NF X 31-615 ISO 5815-1 EN 13087-2 NF T 90-431 NF S 90-351 + 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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