Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar. Performance requirements Ingestion-build-189776 and general requirements for the

and general requirements for the following two categories of anonymous digital signature mechanisms:

and internal radius of a segment (R1) added

BS 5041-2discusses components for fire hydrant systems

Annex 2 to the test report

Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar. Performance requirements Ingestion-build-189776 and general requirements for the1 Scope This European Standard deals with metal isolating valves used for gas distribution systems with maximum operating pressure up to 16 bar, and which operate with fuel gases of the first, the second and the third family, in accordance with EN 437. The types of isolating valves to be considered are: plug and ball valves, gate valves, globe valves and butterfly valves. This standard does not apply to: valves for domestic installations; safety type