... :PE100 3.Standard:GB15558.1-2003 4.Corresponding HDPE gas tubes, HDPE pipe for gas supplyfeatures:1.size:20mm-630mm2.thickness: ... 225mm,250mm,315mm,355mm,400mm,450mm,500mm,560mm,630mmAdvantages:1.various joint and electrofusion joint available to make sure ... is among:-20oC--40oCPE gas pipes are used for transporting natural gas,liquefied petroleum gas (gas state) and manufactured gas and so on., 400m20 ...