Product Item: Carbon Steel ASTM A105N Blind Flange
Standard: ASME B16.5
Material: Carbon Steel ASTM A105N, Normalized
Size Range: 1-8 Inch
Class Rating: Class 150-2500 LB
Facing: Raised Face (RF)
Landee Brand for Export

Source: https://www.landee.cn/astm-a105n-blind-flanges-asme-b16-5-1-8-inch-cl150-2500.html