Ductile Iron GGG50,GJS500-7,GGG40 Size: DN50-DN2000 Bolts and Nuts: Galvanized Steel / Zinc Plated Steel Ductile Iron GGG50,GJS500-7,GGG40Size: DN50-DN2000Bolts and Nuts: Galvanized Steel / Zinc Plated SteelStyle: Casting and Welded type. Pressure: PN10, PN16, PN25, PN40Pressure Test: 15Bar, 24Bar, 37.5Bar, 60Bar.EPDM, NBR Rubber Seals to EN681 & ASTM D2000.Painting: RAL5017 FBE coated, Min., ...