The soft seal rising stem gate valve is a specific type of valve primarily used to control the flow of fluids. Its distinguishing feature lies in the use of soft materials (such as rubber or Teflon) as sealing components between the valve seat and the gate (or valve disc), achieving a tighter and more reliable sealing effect. When the valve is closed, the gate tightly presses against the valve seat, and the soft sealing material fills any minute gaps between them, effectively preventing fluid leakage.