prEN 3049

Aerospace series - O-rings, in fluorocarbon rubber (FKM), low compression set - Hardness 80 IRHD prEN 3049

Publication date:   Jun 13, 2024

General information

40.20 DIS ballot initiated: 12 weeks   Jun 13, 2024

CEN

ASD-STAN Aerospace

European Norm

49.080   Aerospace fluid systems and components

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Scope

This document specifies the characteristics of O-rings in fluorocarbon rubber (FKM), low compression set, hardness 80 IRHD, for aerospace applications.
They are intended to be used in air, mineral / synthetic oil and fuel systems.
Operating conditions - Temperature:
a) Continuous operation: −20 °C to +225 °C;
b) Static applications minimum temperature of use: −50 °C.
Limitation: not to be used with phosphoric ester type hydraulic fluids (permanent or temporary immersion).

Life cycle

PREVIOUSLY

PUBLISHED
EN 3049:1998

NOW

IN_DEVELOPMENT
prEN 3049
40.20 DIS ballot initiated: 12 weeks
Jun 13, 2024