KS ISO 16486-3:2025.

Plastics piping systems for the supply of gaseous fuels-Unplasticizes polyamide ( PA-U) piping systems with fusion jointing and mechanical jointing-Part 3:Fittings.

Specifies the physical and mechanical properties of fittings made from unplasticized polyamide (PA-U) in accordance with ISO 16486-1, intended to be buried and used for the supply of gaseous fuels.