This European standard applies to self-contained compressed air breathing apparatus designed as positive pressure demand 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, closed-circuit breathing apparatus or to diving equipment.
Legislation related to this standard
WITHDRAWN
EN 148-3:1992
99.60
Withdrawal effective
Feb 17, 1999
WITHDRAWN
EN 148-3:1992/AC:1996
PUBLISHED
EN 148-3:1999