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ISO/DTS 17536-2

Road vehicles — Aerosol separator performance test for internal combustion engines — Part 2: Laboratory test method

General information

50.20     Oct 1, 2025

ISO

ISO/TC 22/SC 34

Technical Specification

43.060.20  

Scope

ISO/TS 17536-2 defines standardized and repeatable test procedures for the evaluation of blowby oil aerosol separators and filtering devices and specifies laboratory gravimetric separation efficiency and system pressure tests in both open and closed crankcase ventilation systems. ISO/TS 17536-2 has a limitation of 0 % to 99 % for aerosol gravimetric efficiency.
NOTE Gravimetric efficiencies >99 % may be difficult to measure due to long test durations and absolute filter weight measurements.
Filter life is not evaluated in ISO/TS 17536-2.
This test method only applies to devices that have a defined tubular inlet, outlet and drain that can be connected to the test equipment. For devices that lack such connections, for example, one that is built into a valve cover, see Annex A.

Life cycle

PREVIOUSLY

PUBLISHED
ISO/TS 17536-2:2017

NOW

IN_DEVELOPMENT
ISO/DTS 17536-2
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Oct 1, 2025

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