Pipe threads where pressure tight joints are made on the threads - Part 1: Taper external threads and parallel internal threads - Dimensions, tolerances and designation
Pipe threads where pressure tight joints are made on the threads - Part 2: Taper external threads and taper internal threads - Dimensions, tolerances and designation
Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels - Part 1: Metal fittings for pipes of nominal outside diameter less than or equal to 63 mm— 18 стр.
Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels - Part 2: Metal fittings for pipes of nominal outside diameter greater than 63 mm— 16 стр.
Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2014)
