Gate valves work by moving the spool up and down to control the fluid on and off.
Gate valve is a commonly used valve, mainly used to control the flow of media, with fast opening and closing, good sealing, high pressure resistance and corrosion resistance. Its structure is simple, composed of valve body, valve cover, valve stem, valve seat, sealing ring and other components. Gate valve is generally applicable to the media flow rate is small, requires good sealing performance occasions, such as water supply pipeline, petrochemical, sewage treatment and other fields.