DIN Standards Committee Valves
ISO 161-1
Thermoplastics pipes for the conveyance of fluids - Nominal outside diameters and nominal pressures - Part 1: Metric series
Thermoplastische Rohre für den Transport von Flüssigkeiten - Nenn-Außendurchmesser und Nenndrücke - Teil 1: Metrische Reihe
Responsible national committee
NA 054-05-01 AA - Outside diameters and operating pressures
Responsible international committee
ISO/TC 138 - Plastics pipes, fittings and valves for the transport of fluids