Recently, Zhejiang Wedoli Valve Manufacturing Co., Ltd. independently researched and developed two new types of valves that are suitable for the chemical industry. They are double-groove soft-sealed Hastelloy plug valves and titanium valves that are resistant to strong oxidizing corrosion media and passed through Zhejiang Province. New product technology appraisal, performance reached the domestic leading level. At present, these two new types of valves have been promoted in the chemical industry.
Double groove soft seal Hastelloy plug valve can be widely used in chemical, petrochemical and other fields of oxidizing, non-oxidizing chlorine salt solution, as well as sulfuric acid, phosphoric acid, acetic acid, acetic anhydride, formic acid, high temperature hydrogen fluoride containing oxidizing salts. And other media. Its outstanding feature is that it not only has good corrosion resistance, but also has excellent resistance to stress corrosion and crevice corrosion in the above media. It is particularly suitable for use in the chemical industry; the titanium-butterfly valve with high resistance to strong oxidizing corrosion can be widely used In addition to pipeline control systems for industries such as chlor-alkali, alkali production and seawater treatment, it also applies to process pipeline control systems in the pharmaceutical, fine chemical, synthetic fiber, organic synthesis, nitric acid, sulfuric acid, hydrochloric acid, inorganic salts and dyes industries.
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