Product Name: ASTM A105N Gate Valves
Design Standards: API 602, ASME B16.34
Size: 2 Inch (DN50, 50 mm)
Pressure Rating: Class 150 LB
Body Material: ASTM A105N
Wedge Material: ASTM A276 420
Stem Material: ASTM A276 410
Seat Ring Material: ASTM A276 410 + STL6
Trim: API Trim No. 8
End Connection: ASME B16.5 RF Flanged
Surface Treatment: Phosphating
Source: https://www.landee.cn/astm-a105n-gate-valves-api-602-asme-b16-34-2-inch-150-lb.html