45 Degree Electrofusion Elbow 1.Standard:GB15558.2 Pren12201-3, Pren 1555-4 ... Our Factory have 18 years production history in pe pipe fittings,Mainly for gas, water and drain outlet. We use two ... . Product Standard: EN1555-3, EN12201-3. GB15558.2,GB13663.2 hdpe pipe fittings electrofusion elbow