PVC Pipe Fitting Diameter:50mm Standard:GB,DIN,ISO Hight quality PVC Pipe Fitting 1) Media: Water2) Material: UPVC,PE,PVDF3) Connection ... : Gluing, Rubber Ring Joint, Thread Inside4) Pressure: PN10(1.0Mpa ... bubbles or cracks10) Mechanical properties: Drop test, no cracks with all samples;Hydraulic test, no leak