Improved pressure vessel

The utility model discloses an improved pressure vessel, including supporting seat and pressure staving, and setting up the intake pipe on the pressure staving, and setting up the outlet duct on the pressure staving, and set up the sealed lid on the pressure staving, and set up the manometer on the pressure staving, and the glass observation window of setting on the pressure staving, the pressure staving is installed on the supporting seat, and the intake pipe is installed at one side upper portion position of pressure staving, the outlet duct install with the pressure staving lower part position of intake pipe homonymy, sealed lid are installed on pressure staving upper portion, and sealed lid is equipped with first sealing washer with pressure pot body coupling department. Its simple structure uses, simple to operate, easy operation, and simple manufacture, the appearance is pleasing to the eye, and sealing performance is good, and pressure is steerable, and is with low costs, and it is convenient to wash, and stability is high, and the quality is reliable, and application scope is wide, and long service life has safe and reliable's effect.