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ISO 7631:1985

Road vehicles — Elastomeric cups and seals for cylinders for hydraulic braking systems using a petroleum base hydraulic brake fluid (service temperature 120 degrees C max.)

Publication date:   May 2, 1985

General information

90.60   Close of review   Sep 3, 2026

ISO

ISO/TC 22/SC 33 Vehicle dynamics and chassis components

International Standard

43.040.40   Braking systems | 83.140.50   Seals

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Scope

Specifies performance tests of brake cups and seals for braking systems. Requirements relating to chemical composition, tensile strength and elongation of the rubber compound are not included. Applies to moulded seals (cups or double-lipped type gland seals), 60 mm in diameter or less, compounded from high temperature resistant rubber.

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PUBLISHED
ISO 7631:1985
90.60 Close of review
Sep 3, 2026