The gate valve with high quality rubber coated surface,the bottom of the valve body design without grooves,so it has good elasticity and long service life,no leakage,small flow resistance,prevent dirt build-up or damage characteristics of Water Leakage valve.The inner cavity of the valve body for spraying,use for a long time without corrosion and rust generated,effectively prevent secondary pollution,product without pollution.Widely used in food,medicine,to the field of water supply and drainage engineering,construction,fire and other for in liquid medium piping and equipment,as the closing and opening.