Product Name: Carbon Steel Blind Flanges
Type: Blind Flange
Design Standard: ANSI/ASME B16.5
Material: ASTM A350 LF2, Low-temperature Carbon Steel
Size: 2 Inch, DN50
Pressure Rating: Class 2500 LB, PN420
Sealing Face: RTJ Face
Special Requirement: Sour Service, NACE MR0175 Compliance
Source: https://www.landeeflange.com/carbon-steel-blind-flanges-astm-a350-lf2-2-in-cl2500-rtj.html