3Z Rising stem ball valve(RSV) has mechanism to enable dual action and gets sealing by the acting of tilting & turn. Generally, it has low torque prominently compared to other ball valves. So, the size of actuator is to be small and our customer can adjust it if there is some leakage in using.
3Z Rising stem ball valve is perfect in sealing. It is easy to exchange seat because of top entry type, based on the field situation, and it has long life cycle as there is no friction and abrasion.