Product Name: ASTM A216 WCB Ball Valves
Type: Trunnion Mounted Ball Valve, Full Bore
Standard: API 6D
Body Material: ASTM A216 WCB
Ball Material: ASTM A182 F316
Seat Material: PTFE
Stem Material: 17-4 PH
Size: 4 Inch, DN100, 100 mm
Pressure Rating: Class 300 LB, PN50
End Connection: Flanged, Raised Face, ASME B16.5
Operation: Lever Operated
Additional Features: Locking Device
Source: https://www.landee.cn/astm-a216-wcb-ball-valves-api-6d-4-inch-cl300-rf-flanged.html