Product Item: Ductile Iron GGG40 Air Release Valve
Main Valve Body Material: Ductile Iron GGG40
Medium: Sea Water
Flange Standard: EN 1092-1
Size: DN200, 8 Inch
Pressure Class: PN16
Installation: Vertical Position
Surface: Epoxy Coated
Source: https://www.landee.cn/ductile-iron-ggg40-air-release-valve-dn200-epoxy-coated.html