... -3Normal Size: Main (in): 2-9/16, 3-1/8, 3-1/16Side (in): 2-9/16Technical Specifications of Christmas ... PSL1-3Normal Size (in): 2-9/16Technical Specifications of Casing HeadConnection type: Bottom Welded Type, Bottom Slip Type, Double ... /2, 7, 9-5/8, 12-1/4,13-3/8, 20, 30PR: PR1-2PSL: PSL1-4Material Class: ... contact us for more specific requirements. Wellhead, Christmas Tree, Casing Head, Tubing Head