Cast Steel Trunnion mounted ball valves allow easy and smooth operation at high line pressure. Carefully aligned bearings assist low torque operation. The ball is fixed in position but free to turn. All Casted Trunnion Ball Valves manufactured by Vatac are with reliable high quality castings and fire safe design certified according to BS 6755, API607 & API 6FA. Meet all applicable ASME standards. http://www.vatacvalve.net/