Respiratory protective devices. Self-contained open-circuit compressed air breathing apparatus with half mask designed to be used with positive pressure only. Requirements, testing, marking Ingestion-build-183098 this PAS requires the contextualization

this PAS requires the contextualization and filtering of hazards and risks to prioritize the elevated risks and aspects that are safety critical

There are a number of cases where additional or special vibration tests may be requested by the customer

The standard is applicable to electrically welded round steel short link chains

BS EN IEC 61020-1 specifies the terminology

a) built-in

Respiratory protective devices. Self-contained open-circuit compressed air breathing apparatus with half mask designed to be used with positive pressure only. Requirements, testing, marking Ingestion-build-183098 this PAS requires the contextualization