Trunnion mounted forged low temperature LF3 material ball valve full bore Material:LF3 Nominal Pressure:CLASS 600 Nominal Diameter:20″ End Sealing:RF Face To Face:ASME B16.10 Working Temp.:-101℃~425℃ Test/Inspection:API 598/ISO 5208 End Connection:Raise Face(RF) NACE:NACE 0175 PS:We can manufacture valves as customers’ requirements.