| 摘要 |
A high pressure ball valve is provided to prevent the damage of valve or actuator, and the leak of valve by forming an air hole guiding the fluid of high pressure to the space of a penetration hole. A high pressure ball valve comprises: a main body(10) having a inlet and a vent; a ball(20) having a penetration hole corresponding to the inlet and vent; front and rearward packing members(30a,30b) installed between the main body and the front or rearward of the ball to be adhered closely; and an actuator(40) rotating the ball left and right.
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