Gr3 Titanium Flange

Gr3 titanium flange ‌is a kind of rare and precious metal titanium made of flange products, and mainly used in some special industries, such as chemical industry, medicine and health, salt, chlor-alkali, aviation and other fields. the Gr3 flanges have perfect corrosion resistance and mechanical properties, and can work stably in a variety of corrosive media for a long time, such as sulfuric acid, acetic acid and various concentrations of alkali solutions and molten alkali media. These characteristics make Gr3 flanges a key part of equipment such as pressure vessels, transmission lines and pump valves, especially in the chemical industry, which is used more widely.

The corrosion resistance of Gr3 flange benefits from the stable oxidation film formed by titanium metal material in a strong corrosion environment, which has good stability and self-passivation ability, and can resist a variety of strong corrosion under harsh conditions. Whether the titanium valve can resist the corrosion of the working environment medium, the key point lies in the chemical stability of the "blunt oxide film" on its surface in the corrosive medium. Therefore, the Gr3 flange is not only suitable for sulfuric acid, can withstand the boiling point or higher than the boiling point, and the concentration of 70% below the sulfuric acid medium; In acetic acid, it can also be resistant to various concentrations of acetic acid below 250℃ in the medium, and almost no corrosion; It also shows good corrosion resistance in various concentrations of alkali solution and molten alkali medium ‌.

Flange classification

 1, According to the standards of the chemical industry, integral flange (IF), threaded flange (Th), plate flat welded flange (PL), butt welded flange with neck (WN), neck flat welded flange (SO), socket welded flange (SW), butt welded ring loose sleeve flange (LF/SE), flat welded ring loose sleeve flange (LF/SE), Cladded Flange (CL), blind flange (BL).

 2, According to the standard of the petrochemical industry, the threaded flange (Th) welded flange (WN), flat welded flange (FF), socket welded flange (SW), loose sleeve flange (LF/SE) blind flange.

 3, According to the mechanical industry standards, the integral flange, butt welded flange, flat welded flange, butt welded ring plate loose sleeve flange, flat welded ring plate loose sleeve flange, flanging ring plate loose sleeve flange, blind flange.

 4, According to the national standard, integral flange, threaded flange, butt welded flange, flat welded flange with neck, socket welded flange with neck, butt welded with neck loose sleeve flange, plate flat welded flange, butt welded ring plate, loose sleeve flange, flat welded ring plate loose sleeve flange, flanged ring plate loose sleeve flange, blind flange.

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