PPR Male Threaded Elbow manufacturers
A kind of PPR male threaded elbow, including a plastic elbow, the inside of the plastic elbow is inlaid with a copper insert, the top of the copper insert is provided with a groove or a protrusion, and the cylinder wall in the groove is provided with an annular inlay groove , The plastic elbow is in interference fit with the groove of the copper insert and the annular insert groove.