PP-R Plumbing Male Socket Fitting Adapter Coupler Elbow

A male-threaded adapter that wobbles on the thread axis during tightening tells you the brass insert is already loosening inside the plastic body. Foshan Xinlisu Plastic Technology Co., Ltd. kills that fault at the mold with the PP-R Plumbing Male Socket Fitting Adapter Coupler Elbow. We injection-mold every piece from virgin PP-R random copolymer around a precision-machined brass male thread, using a dovetail lock ring that embeds directly into the polypropylene matrix. This PP-R brass insert coupler doesn’t spin, doesn’t creep, and doesn’t back off under 30 N·m of assembly torque. The male thread side mates with any female threaded valve, nipple, or fixture, while the socket side fuses seamlessly into a PP-R pipe run. Because it acts as both a threaded polypropylene pipe connector and a 90-degree elbow, it replaces a coupler-plus-elbow stack and cuts the joint count in half. That reduction matters inside a tight mechanical closet where every fitting eats space and adds a pote…

PPR Female Tee PPR Socket PPR Tee PPR accessories Reel Pipe