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
1,865 Accredited labs
17 Countries

Showing 1,451โ€“1,475 of 1,865 labs

UKAS 0772 Rochford, GB
TORQUE increasing torque only.
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UKAS 2577 Redruth, GB
(HSG 248) โ€“ 2021 D3TA2 based on HSG 248 (PCM) based on HSG 248 D3TA8 based on HSG 248
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Scope iT

Active
UKAS 9086 Manchester, GB
Appendix 5 of HSG 227 (2004)) (HSG 264, 2012)
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UKAS 10483 Ossett, GB
(HSG 248) โ€“ 2021 SAC-SOP-15 based on HSG 248 SAC-SOP-07 based on HSG 248 staining based on HSG 248
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ACCREDIA 01827 Roma, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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UKAS 2210 Wilton International, GB
(HSG 248) โ€“ 2021 DI/AN/ME/025 based on HSG 248 DI/AN/ME/001 based on HSG 248 DI/AN/ME/026 based on HSG 248 (PCM) based on HSG 248
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ServiceCal

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UKAS 0152 Heywood, GB
PRESSURE (contโ€™d) DC CURRENT DC VOLTAGE CFH-Gen, Macula-Degeneration Measurement + 3 more
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ACCREDIA 00854 Genova, IT
DIN EN 12457-2 EPA 3545 EPA 3630 DIN 51750-3 UNI 11574 + 3 more
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UKAS 9157 Sheffield, GB
LENGTH Plain plug gauges (parallel) Internal Caliper LENGTH (contโ€™d) + 3 more
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DAkkS D-PL-11327-03-00 Hamburg, DE
DIN EN ISO 12185 ASTM D 4052 DIN EN ISO 3405 DIN EN 13016-1 DIN EN 13016-2 + 3 more
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UKAS 1066 Leeds, GB
ASTM E 2149-20 BS EN ISO 20743:2021 Section ISO 14119 BS EN ISO 20645:2004 BS 1425-1:1991 Appendix A + 3 more
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DAkkS D-PL-11222-01-01 Oststeinbek, DE
ISO 37 ISO 8513 DIN EN 1393 ISO 21527-2 DIN EN ISO 527-4 + 3 more
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DAkkS D-K-11055-06-02 Fรผrth, DE
Thermodynamische MessgrรถรŸen TemperaturmessgrรถรŸen - Direktanzeigende Thermometer Railway brake handbooks (UIC 547) - Thermopaare, Thermoelemente + 3 more
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DAkkS D-PL-22642-01-01 Erlangen, DE
DIN EN 60601-1 IEC 60601-1 DIN EN 60601-1-3 IEC 60601-1-3 DIN EN 60601-2-54 + 3 more
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UKAS 9248 Winall, GB
DIN EN 13821 Sigma-HSE (UK) Ltd DIN EN 14034-1 BS EN ISO/IEC 80079-20-2:2016 DIN EN 14034-2 + 3 more
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ACCREDIA 01339 Perugia, IT
DIN EN 17322 EPA 3015 DIN 51750-3 DIN EN ISO 10304-1 EPA 8015 + 3 more
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UKAS 0369 Wellington, GB
(HSG 248) โ€“ 2021 R24 based on HSG 248 staining based on HSG 248
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UKAS 0080 Hedge End, GB
ELECTRICAL CALIBRATION DC RESISTANCE (continued) DC Resistance AC VOLTAGE (continued) AC CURRENT + 3 more
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UKAS 1922 Near Wellington, GB
based on BS EN ISO 6579-1: ISO 21528-2 ISO 21149:2017+Amd1:2022 DIN EN ISO 18415 method based on BS ISO 16649-2: + 3 more
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DAkkS D-ML-13177-02-00 Bamberg, DE
VerschluรŸzeit Kollagen/ADP Kollagen/Epinephrin Basophile Granulozyten Eosinophile Granulozyten Erythrozyten + 3 more
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DAkkS D-ML-13180-01-00 Bamberg, DE
VerschluรŸzeit Kollagen/ADP Kollagen/Epinephrin Basophile Granulozyten Eosinophile Granulozyten Erythrozyten + 3 more
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UKAS 0046 Sheffield, GB
ASTM A 370 ASTM E 384 ASTM E 92 ASTM E 23 ISO 6506-1 + 3 more
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UKAS 4337 Sheffield, GB
ISO 3651-2 ASTM E 384-22 ASTM E10-23 ISO 6506-1 ASTM A262-15(2021) Practice E + 3 more
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UKAS 2621 Basildon, GB
QOP01 based on HSG 248 (HSG 248) โ€“ 2021 (PCM) based on HSG 248 (HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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UKAS 10772 Birmingham, GB
(HSG 264, 2012)
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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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