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.
EN 148-1:2018 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