The utility model discloses a two application valves belongs to the petroleum equipment field. This two application valves includes the valve body, valve ball and sealed piston, the valve body includes the first barrel of as an organic wholeization structure, second barrel and ball seat, first barrel, second barrel and ball seat are coaxial to be arranged, the ball seat is located between first barrel and the second barrel, the internal diameter on the top of ball seat is greater than the internal diameter of the bottom of ball seat, and the internal diameter on the top of ball seat equals with the internal diameter of first barrel, the internal diameter of the bottom of ball seat equals with the internal diameter of second barrel, the sealed coaxial setting of piston is in the second barrel, the periphery wall of sealed piston offsets with the internal perisporium of second barrel is sealed, be equipped with the shear pin between sealed piston and the second barrel, the both ends difference cartridge of shear pin is on sealed piston and second barrel, the valve ball sets up in first barrel, the diameter of valve ball is less than the internal diameter of first barrel, the one end of stretching out the second barrel of valve ball and sealed piston offsets. The utility model discloses can be applicable to the inclined shaft.