Respiratory protective devices: threads for facepieces - Thread connection M 45 x 3 Ingestion-build-159183 Introduction of the code letters

Introduction of the code letters for temperature coefficient as given in EN 60062

— establishes limitations of the protection system and the acceptability of residual risks

What is BS EN 2174-Aerospace series: Heat resisting alloy FE-PA2602 (X4NiCrTiMoV26-15) forgings about

NOTE For the purposes of this document

Respiratory protective devices: threads for facepieces - Thread connection M 45 x 3 Ingestion-build-159183 Introduction of the code letters1 Scope This European Standard is applicable to self contained compressed air breathing apparatus designed as positive pressure breathing apparatus. This European Standard specifies a thread connection, M 45 x 3, which may optionally be used for facepieces for positive pressure breathing apparatus. This European Standard does not apply to negative pressure breathing apparatus, to closed circuit breathing apparatus or to diving equipment.