SIS SS-EN 148-3-1992
Respiratory protective devices — Threads for facepieces — Thread connection M 45x3

Standard No.

SIS SS-EN 148-3-1992

Release Date

1992

Published By

SE-SIS

Latest

SIS SS-EN 148-3-1992

Scope

This European Standard applies 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 standard does not apply to negative pressure breathing apparatus, to closed-circuit breathing apparatus or to diving equipment.

SIS SS-EN 148-3-1992 history

• 1992 SIS SS-EN 148-3-1992 Respiratory protective devices — Threads for facepieces — Thread connection M 45x3