Product Name: ASME B16.5 Weld Neck Flanges
Type: Weld Neck Flange
Design Standard: ASME B16.5
Material: ASTM A105, Forged Carbon Steel
Size: 6 Inch, DN150
Pressure Rating: Class 150 LB, PN20
Wall Thickness: SCH 40
Sealing Facing: Raised Face

Source: https://www.landeeflange.com/asme-b16-5-weld-neck-flanges-a105-6-in-cl150-sch-40-rf.html