Reference number
ISO 4927:2005
© ISO 2024
International Standard
ISO 4927:2005
Road vehicles — Elastomeric boots for cylinders for drum type hydraulic brake wheel cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 120 degrees C max.)
Edition 2
2005-06
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Published (Edition 2, 2005)
This publication was last reviewed and confirmed in 2019. Therefore this version remains current.

ISO 4927:2005

Language
Format
CHF 63
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Abstract

ISO 4927:2005 specifies performance tests for moulded rubber boots used at end closures on drum type wheel brake cylinders. These boots prevent the entrance of dirt and moisture which could cause corrosion and otherwise impair wheel brake operation.

ISO 4927:2005 is applicable to boots of both plain and reinforcement insert types, for fitting in wheel cylinders using a fluid in accordance with ISO 4925. It does not include requirements relating to chemical composition, tensile strength or elongation at brake of the rubber compound; it does not cover the strength of adhesion of rubber to the reinforcement in the insert type.

The rubber material used in these boots shall be suitable for operation in a temperature range of -40 °C to +120 °C.

General information

  • Status
     : Published
    Publication date
     : 2005-06
    Stage
    : International Standard under systematic review [90.20]
  • Edition
     : 2
    Number of pages
     : 7
  • Technical Committee :
    ISO/TC 22/SC 33
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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