Natural Gas Pipeline Ball Valve, size: 6"-48", trunnion mounted valve ASME,ANSI B16.34, API 6D, Neles-Jamesbury ... Pipeline Ball ValveTrunnion mounted Ball ValvePneumatic-hydraulic linked forged steel trunnion Ball Valves for pipeline 6"-48"conforms to the requirements ... API 6D/ISO 14313, API Q1..Features: 1) Product type: trunnion-mounted, 3pc forged body design, and raised face flanged,RTJ ...