Rising Stem• Body: ASTM A351 GR. CF8M/CF8 ASTM A 216 GR. WCB• Bonnet: ASTM A 315 GR. CF8M/CF8 ASTM A 216 GR. WCB • DISC: Renewable ASTM A 315 GR. CF8M• Stem: S.S. 316• End Type: Flange End Class ASA-150• Test Standard: API 598 • Pressure & Temperature: Ratings in Accordance with ASME/ASTM B 16.34dia.