UNE-EN 3049:2025
Current
The latest, up-to-date edition.
Aerospace series - O-rings, in fluorocarbon rubber (FKM), low compression set - Hardness 80 IRHD (Endorsed by Asociación Española de Normalización in February of 2026.)
Hardcopy , PDF
English
01-02-2026
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).
| Committee |
CTN 28/SC 3
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
Asociación Española de Normalización
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| I.S. EN 3049:2025 | Equivalent |
| EN 3049:2025 | Identical |
| BS EN 3049:2025 | Equivalent |
Access your standards online with a subscription
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.