API 6A wellhead / x-mas tree for surface oilfield Pressure: 2000PSI~15000PSI  Temperature: -20F~+250F  material class: AA BB CC DD EE FF Wellhead equipment are designed and manufactured in accordance with API Spec. 6A, and made of X'mass and tubing head spool. The working pressure is range from 2000 psi~15000psi.  We can also design especially any products according to customer's requirements  PS: API Spec 6A  WP: 2000psi~15000psi  WT: -20F~+250F (-29C~121C)  MC: AA BB CC DD EE FF  M. CODE: 45K 60K 75K