High pressure forged steel ball valve is a kind of ball valve whose material is forged, and its density is much higher than that of casting. It is especially suitable for the manufacturing and processing of high pressure ball valve. The ball of the closing part of high pressure forged steel ball valve rotates around the center line of the valve body to open and close. The seal is embedded in the stainless steel valve seat, and the end of the metal valve seat is equipped with a spring. When the sealing surface is worn or burned, Under the action of spring, the valve seat is pushed to form a metal seal with the ball. It has a unique automatic pressure relief function. When the medium pressure in the chamber of the valve exceeds the pre tightening force of the spring, the valve seat at the outlet retreats from the ball to achieve the effect of automatic pressure relief. After pressure relief, the valve seat automatically resets. It is suitable for general working media such as water, solvent, acid and natural gas, and also suitable for media with poor working conditions, such as oxygen, hydrogen peroxide, methane and ethylene. It is widely used in various industries.