... ,DD,EE,FFPressure:2000~20000PSIClass:Drill Thru EquipmentAbout this product:Wellhead equipment and oil tree is an important oil and gas ... between, and control production wellhead pressure and regulate oil (gas) wellhead flow, can also be used for acid fracturing, water injection, testing, and other ... ,CC,DD,EE,FFApply MEDIAOil, gas, mud, etc API 6A wellhead christmas tree