CSN EN 3049

CSN EN 3049 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).
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.