What is the PF for a supplied air full face piece continuous respirator?

The assigned protection factor (PF) for a supplied air full facepiece continuous respirator is 1,000. This means that the respirator is expected to provide a level of protection that is 1,000 times greater than the exposure in the environment outside the respirator. This high level of protection is due to the design and function of supplied air respirators, which deliver clean, breathable air from a source outside the contaminated area, ensuring that the user receives fresh air, thus significantly lowering their risk of inhaling hazardous airborne contaminants.

This factor is specifically based on the respirator's ability to maintain a proper seal and the continuous flow of air, which prevents the inhalation of any harmful substances that may be present in the workplace. Given the various potential hazards in industrial settings, having such a high protection factor ensures that individuals using this type of respirator are adequately protected from respiratory hazards, making it a crucial piece of personal protective equipment in many environments.