Product Name: 3-Piece Full Bore Ball Valve
Type: Bare Stem Ball Valve, 3-Piece Design
Standard: API 6D
Body Material: ASTM A182 F304
Bonnet Material: ASTM A182 F304
Sealing Ring Material: POM
Size: 1/2 Inch, DN15, 15 mm
Pressure Rating: PN300
Connection Ends: Socket Weld (SW) Both Ends
Source: https://www.landee.cn/astm-a182-f304-ball-valves-api-6d-1-2-inch-pn300-3pc-sw.html