Fail Close Test on a 6inch Flg ANSI 150 Pekos 1pc Ball Valve Actuated with Mechanical Spring Close

6inch Pekos 1-Piece Floating Ball Valve, Reduced Bore, ANSI Class 150 Ends Flanged Raised Face, Body ASTM A351 CF8M, Trim 316 Stainless Steel, Seats PTFE, Seals Graphite / Viton FKM 90 PLT, Fire Safe & Anti-staticActuated with Mechanical Spring Close Electric Actuators 230v to -40 Dec Celsius temperature IP67 Rated 300 Nm Torque Atex