5286-DB-RRH-series (HH P/N:1300132406) drilling fluid (mud) safety valves (IBOP) is a device that can be installed in the drill string that acts as a check valve allowing drilling fluid to be circulated down the string but prevents back flow
It adopts an integrated design , combined the traditional upper IBOP and lower IBOP into one unit for easy installation and control. Enable it to operate in a high-pressure working status with a max of 15000psi to extend its service life