Product Name: ASTM A105 Plate Flanges, Large Diameter
Type: Plate Flange
Standard: ISO 7005
Material: ASTM A105, Carbon Steel
Size: 48 Inch, DN1200
Pressure Rating: PN15
Inside Diameter: 1220 mm
Facing: Flat Face (FF)
Source: https://www.landee.cn/astm-a105-plate-flanges-iso-7005-48-inch-pn15-flat-face.html