First grade equipment means the First Level products! Nowadays we owned machining equipment over 100 units,including CNC machining center over 10 units,common CNC over 30 units.To meet customer request to super size balls, OUYI customized&imported 64" ball machining&grinding integrative CNC to cover the vacancy of domestic large equipment capacity.

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Ball Valve

OUYI ball valve is a form of quarter-turn valve which uses a hollow, perforated and pivoting ball to control flow through it. It is open when the ball\'s hole is in line with the flow and closed when it is pivoted 90-degrees by the valve handle.

API Forged GGC Valve

     API Forged GGC Valve is a forged reduced or full bore valve with solid wedge and external screw suitable even for regulation, manufactured according API standard.  

Plug Valve

     Plug valves are with cylindrical or conically tapered "plugs" which can be rotated inside the valve body to control flow through valve.  

Gate/Globe/Check Valve

                                       Ouyi is a professional manufacturer for designing & producing Gate/Globe/Check Valve and ball valve spare parts                                    

Valve Components

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