... easy drill-out.Technical Parameters Specifications, (in)5 1/2"7"9 5/8"13 3/8"Max O.D., mmΦ170 ... I.D., mmΦ122Φ155Φ220Φ315 Overall Length, mm1082118212221280Rated Load, t140170210300Sealing capacity, MPa25252525Opening Pressure, MPa13131314 Closing Pressure, MPa5555 Lower Sliding ...