... ~20000PSIClass:Drill Thru EquipmentAbout this product:Wellhead equipment and oil tree is an important oil and gas mining equipment, from the ... casing head, tubing head, oil (gas) tree consists of three parts, used to connect casing string, tubing string and sealing layers ... ,DD,EE,FFApply MEDIAOil, gas, mud, etc API 6A wellhead christmas tree