The wafer type lift check valve is suitable for the working temperature of -196℃~540, to prevent backflow of medium. According different materials, the wafer type lift check valve can be applied to various medium, such as water, steam, oil, nitric acid, acetic, strong oxidizing medium and urea in petrochemical, metallurgy, electric power, light industry and food industries. Different from flange type lift check valve, the wafer type lift check valve has characteristics of short structure length, small volume, light weight, small water hammer pressure, convenient installation, etc.