Floating ball valve is for medium and low pressure conditions for various corrosive and non-corrosive mediums.Body of floating ball valve may be integral or combined type.Floating ball valve manufactured by BTL may be divided into cast steel floating ball valve and forged steel floating ball valve by different material forming approaches. There are soft sealing floating ball valve and metal sealing ball valve by sealing material.User may select full-size or reducing structure as required. The aperture of rate of full-size valve shall be same with inner diameter of pipeline for pipeline cleaning.