Steel Strong Trunnion Mounted Ball Valves have complete split body and fully welded designs. The Ball Valves offer maximum protection against line pressure and thermal distortion. The Ball Valves ensure durability with long life and trouble-free performance. Steel Strong Trunnion Mounted Ball Valves are produced with spring-loaded seats which are in contact with the ball even in absence of line pressure and makes very effective seal at low line as the pressure increase.