The rising stem handwheel type elastic seat seal gate valve adopts the straight through flow channel design. The high-performance rubber is fully covered with the gate, so the sealing is reliable and the operation is easy. The valve rod does linear reciprocating motion during operation. It is mainly used in domestic water system, water supply and drainage system, sewage treatment system, etc. it is used as a cut-off device on the fluid transmission pipeline of construction, urban environmental protection, petrochemical, electric power and other industries (not applicable to throttling).