Respiratory protective devices. Threads for facepieces - Standard thread connection Ingestion-build-73935 Factors for the conversion of

Factors for the conversion of common units

and modification of Ex equipment designed for use in explosive atmospheres

BS EN 50014:1998 which remains obsolescent and will be withdrawn on 1 March 2007

Advanced protection systems using pyrotechnic actuators are becoming more common

Respiratory protective devices. Threads for facepieces - Standard thread connection Ingestion-build-73935 Factors for the conversion ofWhat is this standard about? This document specifies standard threads for respiratory protective devices and the description of test devices necessary for the assessment of some of the requirements. This document does not apply to diving equipment and to positive pressure demand breathing apparatus.