British Standards Institution - Committee

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MCE/18/-/6 - Contamination control

Sector: Manufacturing

Categories: Filters, seals and contamination of fluids | Fluid power systems. General | Piping and couplings | Fluid power systems | Hydraulic fluids

Overview: Under the direction of MCE/18, is responsible for the UK input to ISO/TC 131/SC 6.

Committee standards activity

In Progress (8)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD ISO/TR 6049	Procedures used to certify the standard reference material SRM 2806d used in ISO 11171 Categories: Unclassified documents Drafting begins : 2023-10-23	Drafting
PD ISO/TR 24828	PD ISO/TR 24828 De-Aeration in Hydraulics Categories: Unclassified documents Proposal begins :	Proposal
BS ISO 4407	Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the counting method using an optical microscope Categories: Filters, seals and contamination of fluids Approval begins : 2025-12-18	Approval
BS ISO 4021	Hydraulic fluid power — Particulate contamination analysis — Extraction of fluid samples from lines of an operating system Categories: Unclassified documents Drafting begins : 2025-12-25	Drafting
BS ISO 3722	Hydraulic fluid power — Fluid sample containers — Qualifying and controlling cleaning methods Categories: Unclassified documents Drafting begins : 2026-07-10	Drafting
BS ISO 23309	Hydraulic fluid power systems -- Assembled systems -- Methods of cleaning lines by flushing Categories: Piping and couplings Public comment begins : 2016-05-09	Public comment
BS ISO 16889	Hydraulic fluid power - Filters - Multi-pass method for evaluating filtration performance of a filter element Categories: Filters, seals and contamination of fluids Drafting begins : 2018-01-03	Drafting
BS ISO 11500:2022/Amd 1	Hydraulic fluid power — Determination of the particulate contamination level of a liquid sample by automatic particle counting using the light-extinction principle — Amendment 1 Categories: Filters, seals and contamination of fluids Drafting begins : 2025-04-23	Drafting

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD ISO/TR 6057:2023	Hydraulic fluid power. Sample calculations for ISO 11171 Categories: Filters, seals and contamination of fluids Published standard begins : 2023-04-24	Published standard
PD ISO/TR 4813:2021	Hydraulic fluid power. Background, impact and use of ISO 11171:2020 on particle count and filter test data Categories: Filters, seals and contamination of fluids Published standard begins : 2021-02-12	Published standard
PD ISO/TR 4808:2021	Hydraulic fluid power. Interpolation method for particle count and filter test data Categories: Filters, seals and contamination of fluids Published standard begins : 2021-02-19	Published standard
PD ISO/TR 22681:2019	Hydraulic fluid power. Impact and use of ISO 11171:2016 µm(b) and µm(c) particle size designations on particle count and filter test data Categories: Filters, seals and contamination of fluids Published standard begins : 2019-09-19	Published standard
PD ISO/TR 16386:2014	Impact of changes in ISO fluid power particle counting. Contamination control and filter test standards Categories: Filters, seals and contamination of fluids Published standard begins : 2014-11-19	Published standard
PD ISO/TR 15640:2011	Hydraulic fluid power contamination control. General principles and guidelines for selection and application of hydraulic filters Categories: Filters, seals and contamination of fluids Published standard begins : 2012-06-06	Published standard
PD ISO/TR 10949:2002	Hydraulic fluid power. Component cleanliness. Guidelines for achieving and controlling cleanliness of components from manufacture to installation Categories: Fluid power systems. General \| Filters, seals and contamination of fluids Published standard begins : 2002-11-08	Published standard
PD ISO/TR 10686:2013	Hydraulic fluid power. Method to relate the cleanliness of a hydraulic system to the cleanliness of the components and hydraulic fluid that make up the system Categories: Fluid power systems. General Published standard begins : 2013-07-08	Published standard
BS ISO 4407:2002	Hydraulic fluid power. Fluid contamination. Determination of particulate contamination by the counting method using an optical microscope Categories: Filters, seals and contamination of fluids Published standard begins : 2002-05-21	Published standard
BS ISO 4406:2021	Hydraulic fluid power. Fluids. Method for coding the level of contamination by solid particles Categories: Filters, seals and contamination of fluids \| Hydraulic fluids Published standard begins : 2021-01-08	Published standard

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD ISO/TS 16431:2002	Hydraulic fluid power. Assembled systems. Verification of cleanliness Categories: Filters, seals and contamination of fluids Withdrawn begins : 2012-02-07	Withdrawn
BS ISO 4406:2017	Hydraulic fluid power. Fluids. Method for coding the level of contamination by solid particles Categories: Filters, seals and contamination of fluids \| Hydraulic fluids Withdrawn begins : 2021-01-08	Withdrawn
BS ISO 4406:1999	Hydraulic fluid power. Fluids. Method for coding the level of contamination by solid particles Categories: Filters, seals and contamination of fluids \| Hydraulic fluids Withdrawn begins : 2017-09-18	Withdrawn
BS ISO 23369:2021	Hydraulic fluid power. Multi-pass method of evaluating filtration performance of a filter element under cyclic flow conditions Categories: Filters, seals and contamination of fluids Withdrawn begins : 2023-01-20	Withdrawn
BS ISO 23309:2007	Hydraulic fluid power systems. Assembled systems. Methods of cleaning lines by flushing Categories: Piping and couplings Withdrawn begins : 2020-05-15	Withdrawn
BS ISO 21018-4:2016	Hydraulic fluid power. Monitoring the level of particulate contamination in the fluid. Use of the light extinction technique Categories: Filters, seals and contamination of fluids Withdrawn begins : 2019-08-23	Withdrawn
BS ISO 21018-1:2008	Hydraulic fluid power. Monitoring the level of particulate contamination of the fluid. General principles Categories: Filters, seals and contamination of fluids Withdrawn begins : 2024-10-29	Withdrawn
BS ISO 18413:2002	Hydraulic fluid power. Cleanliness of parts and components. Inspection document and principles related to contaminant collection, analysis and data reporting Categories: Filters, seals and contamination of fluids Withdrawn begins : 2015-03-25	Withdrawn
BS ISO 16889:2008+A1:2018	Hydraulic fluid power — Filters — Multi-pass method for evaluating filtration performance of a filter element Categories: Filters, seals and contamination of fluids Withdrawn begins : 2022-08-31	Withdrawn
BS ISO 16889:2008	Hydraulic fluid power. Filters. Multi-pass method for evaluating filtration performance of a filter element Categories: Filters, seals and contamination of fluids Withdrawn begins : 2018-11-30	Withdrawn