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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Don Whitley Scientific

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UKAS 0560 Bingley, GB
TIME INTERVAL TEMPERATURE parameters and ranges)
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Klinkner & Partner GmbH Kalibrierlabor

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Absolutdruck p * Vickers hardness test (ISO 6507) Flüssigkeitsvolumen * variablem Volumen aufnehmern sowie + 3 more
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Staber & Kollegen

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Blutbild groß Thrombozyten Urinsediment Natrium Kalium + 3 more
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med. rer. nat. Nils Janzen Screening-Labor Hannover Laborärztliche Facharztpraxis

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Drägerwerk AG & Co. KGaA Product Qualification Kalibrierlabor

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DAkkS D-K-11250-01-00 Lübeck, DE
Druck * Negativer und positiver Überdruck -0,01 bar Positiver Überdruck p e > 0,015 bar + 3 more
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Duravit

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DAkkS D-PL-21217-01-00 Hornberg, DE
*6095991, BAG3 [OMIM *6038831 (-13910T>C) rs4988235 - PiM rs6647, PiZ rs28929474, rs17580 DIN EN 997 DIN EN 13407 + 3 more
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E C L (2000)

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UKAS 0709 Forest Hall, GB
(PCM) based on HSG 248) (HSG 248) – 2021
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E-T-A Elektrotechnische Apparate

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DAkkS D-PL-12144-01-01 Altdorf, DE
VDE 0468-2-1 VDE 0468-2-2 VDE 0468-2-6 DIN EN IEC 60068-2-11 DIN EN IEC 60068-2-13 + 3 more
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E. ZOLLER GmbH & Co. KG Einstell- und Messgeräte

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DAkkS D-K-18994-01-00 Pleidelsheim, DE
optische 0 mm Werkzeugeinstell- und / Messgeräte verwendete Abkürzungen:
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E.S.T.

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ACCREDIA 00085 Grassobbio, IT
DIN EN 13654-1 UNI 10511-1 EPA 524.2 1995 DIN EN ISO 15587-2 NEN-EN 13191-1 + 3 more
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ECOALIMENTA SRL

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ACCREDIA 00829 Balvano, IT
ISO 18787 AOAC 2012.01 2016 DIN EN ISO 6888-2 DIN EN ISO 15213-2 ISO 14189 + 3 more
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ACCREDIA 00218 Vicenza, IT
DIN EN 1484 DIN EN 12457-2 EPA 150.1 1982 DIN EN 12880 DIN EN 14789 + 3 more
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ACCREDIA 00756 Caraffa di Catanzaro, IT
DIN EN 1528-4 ISO 5667-5 DIN EN 12457-2 EPA 3535 BS EN 15662 + 3 more
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ACCREDIA 00657 Grosseto, IT
ISO 17604 UNI 03 ISO 18787 ISO 18593 DIN EN ISO 6888-1 + 3 more
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ECOGEO S.c.r.l.

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ACCREDIA 00590 Quart, IT
ISO 23695 ISO 11731 ISO 6888-1 ISO 6058 ISO 4832 + 3 more
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ACCREDIA 00114 Lucca, IT
UNI 10511-1 DIN EN ISO 10705-2 ISO 14189 ISO 19250 ISO 25101 + 3 more
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ECOLOGICA BUFFA Srl

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ACCREDIA 00839 Castellammare del Golfo, IT
DIN EN 12457-2 ISO 6703-2 DIN EN ISO 6888-1 DIN EN ISO 7393-2 DIN EN ISO 10304-1 + 3 more
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ACCREDIA 00226 Trento, IT
EPA 6020 DIN EN 12457-2 ISO 6888-2 EPA 3015 ISO 15923-1 + 3 more
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ECOPOINT SRL

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ACCREDIA 00572 Avezzano, IT
ISO 5667-5 DIN EN 12457-2 BS EN 15662 DIN EN ISO 6888-1 ISO 19250 + 3 more
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ACCREDIA 01286 Prato, IT
DIN EN 12457-2 DIN EN ISO 6888-1 ISO 750 DIN EN ISO 10304-1 ISO 15587-1 + 3 more
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ECORICERCHE SrL

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ACCREDIA 00160 Bassano del Grappa, IT
EPA 3535 DIN EN ISO 15587-1 NF EN ISO-15587-2 EPA 5030 EPA 6010 + 3 more
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ECOSISTEM

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ACCREDIA 00611 Napoli, IT
DIN EN ISO 9308-2 EPA 5035 DIN EN 14789 EPA 5030 DIN EN 14790 + 3 more
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ECOSUD

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ACCREDIA 02162 Pisticci, IT
ISO 5667-10 ISO 5667-5 ISO 5667-11 UNI 10370 UNI 10802 + 2 more
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EDAG Engineering GmbH ATC Fulda

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DAkkS D-PL-11061-02-02 Petersberg, DE
DIN 40633-2 DIN 40633-3 DIN 53482 DIN 72551-100 DIN 72551-6 + 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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