... Ball Valve 1.Anti-Static Device 2.Blow-out Proof Stem 3.Fire Safe Design 4.Emergency Sealant Injector Heat Preserving Ball ValveThree Way Ball ... seal between the pig and the pipe.The valve is recommended for use in pipelines, where pigs ... Safe Test API 607/API 6FAMaterials of Three-Way Ball ValvesNo.PartMaterial1BallA351-CF8, CF8M, CF3, CF3M, ... A194-2H, 2HM, 8, 8M Heat Preserving Ball Valve