Drilling spool is an important equipment for oil& gas well drilling. It is mainly used to connect the BOP and casing head on the top and bottom. End outlet of the drilling spool is connected with the corresponding valves and pipelines for blowout&choke operations and well killing. All connections are sealed with flange metal gasket, with good sealing performance.

Nominal Bore: 7-1/16 "~ 21-1/4"
Working Pressure: 2000Psi ~ 20000Psi
Temperature Class: T-75/350 (-59 ℃ ~ 177 ℃)
Working medium: oil, natural gas, mud, gas containing H2S and CO2