Cartridge valve for scrap baling machine

The invention discloses a cartridge valve for a scrap baling machine. The cartridge valve comprises a cartridge valve body vertically distributed and two positioning connecting seats symmetrically installed in the middle of the cartridge valve body, wherein the upper and lower ends of each positioning connecting seat are provided with two buffer protection springs. The tail ends of the buffer protection springs are connected with supporting pressure stop seats. By means of the scientific and reasonable structure design, the cartridge valve can be skillfully installed and fixed in the packagingand storage process of the cartridge valve, so that the damage caused by collision and foreign matter pollution is avoided, the service life of the cartridge valve is effectively prolonged, the use effect of the cartridge valve is ensured, the impact damage of external pressure in the process of placement is avoided, and the practical value and the popularization value are good. 本发明公开了种用于废钢打包机的插装阀，包括竖直分布的插装阀本体以及对称安装在插装阀本