Drilling spools usually have the same nominal end connections and the same nominal outlet connections. Usually made to any combination of end connections and outlet connections as well as overall height or length (OAL) and outlet extension.
Working pressure————————————–2,000psi – 20,000psi
Working medium—————————————- Oil, Natural Gas, Mud
Working temperature————————————-46°C -121℃
Material class———————————————- AA – HH
Specification class—————————————— PSL1 – PSL4
Performance class—————————————– PR1 – PR2