Product Name: Stainless Steel Full Coupling
Type: Full Coupling
Design Standard: ASME B16.11
Material: Stainless Steel ASTM A182 F316L
Size: 1/2 Inch, DN15
Pressure Rating: Class 3000 LB
End Connection: NPT Threaded

Source: https://www.landeepipefitting.com/stainless-steel-full-coupling-f316l-1-2-inch-3000-lb-npt.html