Product Name: ASME B16.5 Blind Flanges
Type: Blind Flange
Design Standard: ASME B16.5
Material: ASTM A105 Carbon Steel
Size: 10 Inch, DN250
Pressure Rating: Class 600 LB, PN100
Facing: Raised Face (RF)
Surface Finish: Black Painting

Source: https://www.landeeflange.com/asme-b16-5-blind-flanges-astm-a105-10-in-dn250-cl600-rf.html