Flange Adaptor, Coupling, Dismantling Joint Key Words: Flange Adaptor, Coupling, Dismantling Joint, PE Quick Adaptor, PVC Quick Adaptor, Clamp Saddle Size: DN40-DN2000 Material: Carbon Steel GGG40, GGG50 Pressure: PN6, PN10, PN16, PN25. Connection: DIN2576, BS4504 PN16, Universal Flange etc. You can refer to http://www.unicflow.com for detail specifications.