... assurance;Watermark,ISO9001 Specifications1.Connection Method:Stainless O-ring Crimp-on/compression2.Material :DR brass 3.Technical :Heating,forged, ... ,Elbow,Tee,Stopper,etc.5.Size for :SDR 7.4 Grade PE-X pipe from DN16mm-DN32mm6.Certificate :Watermark, ... Product description1.Made of high quality brass rod, hot forge processed to make compact structure2.Technology: forging, Machining by CNC ...