Product Name: ASTM A105N Trunnion Ball Valves
Type: Ball Valve, Trunnion Mounted
Manufacturing Standard: API 6D
Size: 4 * 3 Inch
Pressure Class: Class 300 LB
Body Material: ASTM A105N
Ball Material: ASTM A182 F316
Seat Material: ASTM A182 F316 + RPTFE
End Connection: RF Flanged, per ASME B16.5
Source: https://www.landee.cn/astm-a105n-trunnion-ball-valves-api-6d-4-3-in-cl300-rf.html