BS ISO 22621-6-2010 最大操作压力达到并包括2 MPa(20bar)的气体燃料供应用塑料管道系统.聚酰胺(PA).设计,操作和安装的操作实施规程
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