Specifications 1) tubing head api 6a spec 2) pressure:2000-15000psi 3) temperature: p~u 4) material: aa-ff 5) medium: oil/gas/fluid Api 6a tubing head Brief introduction: Tubing heads have straight bore bowl with 45 degree landing shoulders design which avoids damage to sealing areas by drilling tools and prevents wedging of tubing hangers, bowl protectors and test plugs. The upper flange is supplied with lockdown screws for packoff re-nergization and tubing hanger retention. The lower flange includes a grease fitting and orifice for testing of secondary seal. We could supply all models of casing head forging, and we carry out api 6a standard.We could finish the final machining according to the customers' requirements