BS ISO 22621-6-2010 最大操作壓力達到并包括2 MPa(20bar)的氣體燃料供應用塑料管道系統.聚酰胺(PA).設計,操作和安裝的操作實施規程
Plastics piping systems for the supply of gaseous fuels for maximum operating pressures up to and including 2 MPa (20 bar) - Polyamide (PA) - Code of practice for design, handling and installation