... PU Material Class: AA-FFAvailable Medium: Crude Oil, Water, GasConnection Type: Clamp, FlangedPR: PR1-2PSL: PSL1-3Normal Size: Main ( ... Size (in): 2-9/16Technical Specifications of Casing HeadConnection type: Bottom Welded Type, Bottom Slip Type, Double seal Structure, Bottom threads ... FFPlease contact us for more specific requirements. Wellhead, Christmas Tree, Casing Head, Tubing Head