This European Standard is applicable to standard threads for respiratory protective devices. This standard does
not apply to diving equipment and to positive pressure demand breathing apparatus.
EN 148-1:1999 history
2018EN 148-1:2018 Respiratory protective devices - Threads for facepieces - Part 1: Standard thread connection
1999EN 148-1:1999 Respiratory Protective Devices - Threads for Facepieces - Part 1: Standard Thread Connection
1992EN 148-1:1992 CORRIGENDUM Respiratory Protective Devices; Threads for Facepieces; Standard Thread Connection
1987EN 148-1:1987 Respiratory Protective Devices; Threads for Facepieces; Standard Thread Connection