90.20 Standard under periodical review Oct 15, 2024
ISO
ISO/TC 22/SC 34 Propulsion, powertrain and powertrain fluids
International Standard
43.060.20 Pressure charging and air/exhaust gas ducting systems
This document defines standardized and repeatable test procedures for the evaluation of blowby oil aerosol separators and filtering devices and specifies laboratory fractional separation efficiency in both open and closed crankcase ventilation systems.
Filter life is not evaluated in this document.
The conditioned portion of this test only applies to filters that can meet the Dp stability requirements referenced in ISO/TS 17536-2.
Conformance of a device to legislation is outside of the scope of this document.
Due to limited precision using current equipment, this document is not suitable for filters above an efficiency of 99 %.
ABANDON
ISO/DIS 17536-4
PUBLISHED
ISO 17536-4:2019
90.20
Standard under periodical review
Oct 15, 2024