Product Name: EN 545 Dismantling Joints
Type: Dismantling Joint
Standard: EN 545
Material: Ductile Iron
Rubber Ring: EPDM Rubber
Size Range: DN50–DN2000
Pressure Rating: PN10 / PN16 / PN25
Fasteners: Grade 8.8 Bolts & Nuts (Hot Dip Galvanized)
Coating: Epoxy Coating, 250 Microns

Source: https://www.landee.cn/en-545-dismantling-joint-ductile-iron-dn50-dn2000-pn10-25.html