Product Name: ASME B16.5 Weld Neck Flanges
Type: Weld Neck Flange
Design Standard: ASME B16.5
Material: ASTM A105, Forged Carbon Steel
Size: 28 Inch, DN700, 700 mm
Pressure Rating: Class 300 LB, PN25
Wall Thickness: SCH 40
End Connection: RF (RTJ)

Source: https://www.landeeflange.com/asme-b16-5-weld-neck-flanges-a105-28-inch-300-lb-sch-40.html