Titanium valve is mainly used in the use of titanium metal materials in the corrosive environment of the oxidation film has a good stability and self passivation ability, this characteristic to resist a variety of harsh conditions of strong corrosion. Titanium and titanium alloy valve with a specific gravity, high strength, corrosion resistance, good pressure resistance, etc., are widely used in aviation, aerospace, marine engineering, petroleum, chemical, light industry, food processing, metallurgy, electric power, medical and health, instrumentation and other industries.