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EVS-EN 3049:2025

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

General information

Valid from 31.12.2025
Base Documents
EN 3049:2025
Directives or regulations
None

Standard history

Status
Date
Type
Name
31.12.2025
Main
01.06.2000
Main
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 used with phosphoric ester type hydraulic fluids (permanent or temporary immersion).

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Aerospace series - O-rings, in fluorocarbon rubber (FKM), low compression set - Technical specification
Newest version Valid from 31.12.2025