Respiratory protective devices. Gas cylinder valves - Inlet connections has-digital and restrictions currently existing because

and restrictions currently existing because of the lack of definitive International Standards

BS EN 3553 can be used for the qualification programme to be agreed upon by the manufacturer and the consumer

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Respiratory protective devices. Gas cylinder valves - Inlet connections has-digital and restrictions currently existing because1 Scope This document specifies the dimensions and tolerances as well as the impact resistance and marking requirements of inlet connections for connecting cylinder valves to gas cylinders for respiratory protective devices (RPD).