Flexible hoses, end fittings and sockets for gas burning appliances, Specification for strip-wound metallic flexible hoses, covers, end fittings and sockets for domestic appliances burning 1st and 2nd family gases— 24 стр.
BS EN 17175. Gas-fired overhead radiant strip heaters and multi-burner continuous radiant tube heater systems for non-domestic use. Safety and energy efficiency— 166 стр.