Product Name: Raised Face Slip-On Flange
Type: Slip-On (SO) Flange
Standard: ASME B16.5
Material: ASTM A182 F316L
Size: 3 Inch (DN80)
Pressure Rating: Class 150 LB
Sealing Facing: Raised Face (RF)
Source: https://www.landee.cn/raised-face-slip-on-flange-asme-b16-5-a182-f316l-3-inches.html