Product Name: Stainless Steel Weld Neck Flange
Type: Weld Neck Flange (WN)
Material: ASTM A182 F316
Size: 16 Inch
Pressure Rating: Class 150 LB
Thickness: SCH 80
Facing: Raised Face (RF)
Application: High-Cr Corrosion Environment

Source: https://www.landee.cn/astm-a182-f316-weld-neck-flanges-16-inch-cl150-sch-80-rf.html