This Part of BS 669 specifies type test requirements for strip-wound metallic flexible hoses, covers, end fittings and sockets for use with domestic cookers and appliances burning 1st and 2nd family gases at a nominal inlet pressure of 20 mbar*.
The requirements for strip-wound flexible hoses with end fittings attached are specified in section two. Section three specifies additional requirements for the end fittings and sockets.
NOTE. The titles of the publications referred to in this standard are listed on the inside back cover.