Trunnion Ball Valve Design Features: Double Block & Bleed ISO 5211 Direct Mounting Pad Emergency Seal Restoration (Optional) Tight Shut-off Sealing Mechanism Cavity Pressure Relief Range: 4” Through 24” , Full Port, Floating Ball Rating: ASME CLASS 150~1500, DIN PN16~250 Body: CF8, CF8M, CF3, CF3M, WCB, LCB Seat: PTFE, RTFE, PEEK, Metal-Graphite, Carbon Fiber Inspection & Test: API 6D, API 598