Product Name: ASTM 4130 2-1/16 Inch Plug and Cage Choke Valve API 6A for Oilfied Model NO.: Choke Valve Transport Package: Plywood Box Specification: 2-1/16'' ~4-1/16'' Origin: China Product Description General DescriptionThe plug and cage choke uses a plug as the controlling element and throttles the flow on the internal diameter of the ported cage. The ports in the cage are sized and arranged to give the most appropriate combination of control and flow capacity for each application.SpecificationsDesign & Manufacture:API SPC 6AConnection: Flanged, Threaded or Union ConnectedNominal Diameter: 2-1/16'' ~4-1/16''Working Pressure: 2000~15000psiMaterial grade: AA, BB, CC, DD, EE, FF, HHBody Material: ASTM 4130about TAVAL