Product Name: ASME B16.5 Blind Flanges
Standard: ASME B16.5
Material: ASTM A105N
Size: 12 Inch
Pressure: Class 900 LB
Facing Type: RTJ (Ring Type Joint)
Painting: Black Anti-Rust Coating
Source: https://www.landee.cn/asme-b16-5-blind-flanges-astm-a105n-12-inch-cl900-lb-rtj.html