What is ISO 17420‑4 about?
ISO 17420‑4 is the fourth part of the ISO 17420 series of documents on respiratory protective devices. ISO 17420‑4 is an international standard on requirements for supplied breathable gas respiratory protective devices to ensure protection to wearer from hazardous air.
ISO 17420‑4 specifies requirements for the performance and testing of supplied breathable gas respiratory protective devices (RPD) in accordance with their classification and for use in the workplace to protect the wearer from hazardous atmospheres and/or environments.
ISO 17420‑4 describes basic requirements for the supplied breathable gas respiratory protective device (RPD) and its elements and components.
Who is ISO 17420‑4 for?
ISO 17420‑4 on respiratory protective devices is useful for:
- Respiratory protective device manufacturers
- Respiratory protective device testers
- Health and safety departments
- Any entity related to respiratory protective device quality assurance
Why should you use ISO 17420‑4?
Quality control plans ensure the material and performance level of approved products continue to meet standard requirements. To verify respirators provide the expected level of protection for users, use Standard Testing Procedures.
ISO 17420‑4 provides you with the guidelines on general requirements, RPD elements and components, performance requirements, testing and inspection, requirements for supplied breathable gas RPD.
The requirements and guidelines provided by ISO 17420‑4 assists you in improving the quality and efficacy of supplied breathable gas RPD and ensuring protection to the wearer from the hazardous environment.
