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.
Registration number (WIID)
1945
Scope
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.
