Product Item: API 602 Gate Valves
Basic Design Standard: API 602
Body Material: ASTM A105N
Size: 2 Inch, DN50, 50 mm
Pressure Rating: Class 150 LB
Wedge/Disc Material: ASTM A276 Type 420
Seat Ring Material: ASTM A276 Type 410 + STL
Test & Inspection Standard: API 598
End Connection: RF Flanged
Source: https://www.landee.cn/api-602-gate-valves-astm-a105n-carbon-steel-2-inch-cl150.html