Product Name: ASTM A234 WPB Full Coupling
Material: Carbon Steel ASTM A234 WPB
Size: 2 Inch, DN50
Wall Thickness: SCH 80
End Connection: NPT Ends
Source: https://www.landeepipefitting.com/carbon-steel-full-coupling-a234-wpb-2-inch-dn50-sch-80.html