Respiratory protective devices. Self-contained closed-circuit breathing apparatus compressed oxygen or compressed oxygen-nitrogen type. Requirements, testing, marking Ingestion-build-50790 and a fuel pressure regulator

and a fuel pressure regulator having an inlet in communication with a fuel inlet of the refuelling connector and having an outlet in communication with refuelling pipework of the aircraft

New Annex H on coupling/decoupling surges to lines rated above 200 A

including characterization

BS EN ISO 1461 has been revised and the new third edition incorporates changes in content to reflect the experience gained in using ISO 1461

Respiratory protective devices. Self-contained closed-circuit breathing apparatus compressed oxygen or compressed oxygen-nitrogen type. Requirements, testing, marking Ingestion-build-50790 and a fuel pressure regulator