Sichuan PetroZHR Machinery Engineering Co.,Ltd”


Full opening safety valve

    Full opening safety valve is designed to be stabbed into the top joint of drill pipe or tubing at the rig floor and closed quickly in case a well kicks occurs.After weight material is added to the mud, the kelly can be reconnected,then open the safety valve to resume circulation.
    The two piece structure and oversize central ball valve can realize full size drift for the flowing of drilling fluid,which ensures steady pressure condition when drilling,and make the valve to be compact,easy to handle, and yet have great strength. Standard working pressure for PetroZHR FOSV is 70 MPa,but higher pressure ratings are available with better material and tungsten carbide coated ball valve.


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Sichuan PetroZHR Machinery Engineering Co.,Ltd

ADD:No. 16, Yangjiang Road, Guanghan City, Deyang City, Sichuan Province