The product meets the API standard. The float valve is one of the necessary tools for oil drilling. The float valve is composed of drill tool adapter and float valve core assembly. Its main function is to prevent mud from bringing in cuttings and sediment when connecting a single drill pipe, and to block the drill bit water hole.In case of blowout or kick. The valve cover of the float valve assembly automatically closes the water hole to prevent the blowout accident in the pipe. The float valve can bear 5000PSI or 10000psi working pressure.