Product Name: Carbon Steel Weld Neck Flanges
Type: Weld Neck Flange (WN)
Design Standard: ASME B16.5
Material: ASTM A105 Carbon Steel
Size: 3 Inch, DN80
Pressure: Class 300 LB, PN50
Face Type: Raised Face
Source: https://www.landeeflange.com/carbon-steel-weld-neck-flanges-asme-b16-5-a105-3-in-cl300.html