... as below:Design & Manufacture: ANSI B16.5, B16.34, API 600 OS&Y, Bolted BonnetSolid, Flexible or Split Wedge Design Back ... Stem Design Size Range: 2" to 48"N. B. Pressure Ratings: ANSI 150, 300, 600, 900End Connections: Flanged, Buttweld, Socket Weld, Hub ... MR 0175 and MR 103 on requestCERTIFICATESAPITUV CEAPI 6DISO API 600 Gate Valve