BS EN 148 is an international standard on respiratory protective devices that discusses centre thread connection for facepieces to ensure protection against hazardous air at the workplace.
BS EN 148-2 is the second part of the BS EN 148 series that is applicable to centre threads for respiratory protective devices.
Note: BS EN 148-2 does not apply to diving equipment and to positive pressure-demand breathing apparatus.
BS EN 148-2 on centre thread connection for facepieces is useful for:
Respirators protect workers against insufficient oxygen environments, harmful dust, fogs, smoke, mists, gases, vapours, and sprays. These hazards may cause cancer, lung impairment, diseases, or death.
BS EN 148-2 provides you with guidance on centre thread connector (A) for CO2-absorbing cartridges, centre thread connector (B) for equipment connector, thread bridge AB, dimensions for thread 5/16, etc.
The guidance and dimensions provided by BS EN 148-2 assist you in improving the performance and quality of the facepieces and ensuring the facepieces provide protection again hazardous air at the workplace.
With obedience and compliance to BS EN 148-2, you can enhance facepieces’ effectiveness and efficacy and manufacture a standardized high-quality product.
EN 148-2:1999