Universal Flange Adaptor, Universal Coupling, Dismantling Joint Key Words: Universal Flange Adaptor, Universal Coupling, Dismantling Joint, PE Quick Adaptor, PVC Quick Adaptor, Saddle Clamp. ... , GGG50 Pressure: PN6, PN10, PN16, PN25. Connection: DIN2576, BS4504 PN16, Universal Flange etc. You can refer to http://www.hiwaflow.com ...