Aerospace series. Pipe coupling, 37°, in heat resisting steel. Swivel nuts. Inch series Ingestion-build-117251 BS EN 809 is a

BS EN 809 is a technical specification that establishes the technical safety requirements for:

personnel and qualified operators performing specified parts of sampling and groundwater measurements in accordance with BS EN ISO 22475‑1 and complying with the technical qualification criteria specified in BS 22475‑2

This International Standard specifies bridge requirements that will secure a safe and efficient lookout on those seagoing ships having a fully enclosed bridge

Floating offshore production installations for the petroleum and natural gas industries

Aerospace series. Pipe coupling, 37°, in heat resisting steel. Swivel nuts. Inch series Ingestion-build-117251 BS EN 809 is a1 Scope This European Standard specifies the characteristics of swivel nuts for inch series pipe couplings, 37, in heat resisting steel, for aerospace applications. Nominal pressure: Class D in accordance with ISO 6771.