200R is a type of ball valve with strong corrosion resistance. The inner wall of the valve body and internal components in contact with the medium are lined with anti-corrosion materials such as F46, PTFE, PFA, etc., which can almost resist the corrosion of all chemical media (including concentrated nitric acid and aqua regia). It is widely used in various industries such as petroleum, petrochemical, chemical, power plants, metallurgy, etc