Respiratory protective devices: threads for facepieces - Thread connection M 45 x 3 Ingestion-build-159183 NOTE For the purposes of

NOTE For the purposes of this document

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

Manufacturers of adjustable furniture used for storage systems

hydrofluoracid and bromide liquids

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Respiratory protective devices: threads for facepieces - Thread connection M 45 x 3 Ingestion-build-159183 NOTE For the purposes of1 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.