FLANGE (STEEL TRAY)

ULP HDPE Water Supply Pipe and Fittings conform to EN12001-1/2/3:2011,ISO 4427-1/2/3-2007,GB/T 13663.2-2018 & GB/T 13663.3-2018 specification

Note：German standard-DIN19537, 8074 & 8075 and national standard GB/T13663.2-2018 parameter comparison, (under the same pressure, pipe series specification number/outer diameter value/wall thickness/SDR value) are consistent