I.High-pressure capability 1.High working pressure 2.High efficiency 3.Strong adaptability: II.Stable flow rate 1.Standardized flow rate 2.Strong anti-interference ability 3.Convenient flow regulation III.Compact structure 1.Exquisite design 2.Easy integration IV.High energy utilization rate V.Long service life 1.Full utilization of material strength 2.Wear resistance and corrosion resistance VI.Strong self-priming ability VII.High precision