The electrode is the main component used by the electromagnetic flowmeter to measure the flow of the liquid. Therefore, the selection of the normal electrode material is directly related to the accuracy of the measurement and the price of the electromagnetic flowmeter. Uni 5588 Hexagon Nut,Carbon Steel Hexagon Nuts Uses,Stainless Steel Hex Nuts,Customized Stainless Steel Hex Nuts Chuangtuo Jinggong (Jiangsu) Co., LTD , https://www.chtofastener.com
The electrode is the main component used by the electromagnetic flowmeter to measure the flow of the liquid. Therefore, the selection of the normal electrode material is directly related to the accuracy of the measurement and the price of the electromagnetic flowmeter.
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There are currently seven kinds of electrodes commonly used in the market, namely acid-resistant steel, Hastelloy B, Hastelloy C, stainless steel "target=_blank> stainless steel, titanium, tantalum, platinum rhodium. This article will introduce you to these seven materials in detail. The advantages and disadvantages allow you to be more accurate when selecting electrodes for electromagnetic flowmeters.
Acid-resistant steel, mostly used in non-corrosive fluid media.
Stainless steel "target=_blank> stainless steel, mainly used for domestic industrial water treatment, can also withstand generally weak corrosive acid, alkali, salt liquid, cheap, low cost.
Hastelloy B, which has good corrosion resistance to any concentration of hydrochloric acid below the boiling point, and can also resist non-oxidizing acid, alkali, and salt liquids such as sulfuric acid, phosphoric acid, hydrofluoric acid, and organic acid. Liquids with oxidation are not suitable, such as nitric acid.
Hastelloy C has good oxidation resistance acids such as nitric acid, mixed acids, oxidizing salts, seawater and the like. However, it is not good for the corrosion resistance of a reducing acid such as hydrochloric acid.
Titanium has better corrosion resistance than acid-resistant steel and has excellent corrosion resistance for chloride, hypochlorite and seawater. However, it is not suitable for reducing acids such as sulfuric acid and hydrochloric acid.
é’½, excellent corrosion resistance, most chemical media can withstand, in addition to hydrofluoric acid, fuming sulfuric acid, alkali, almost resistant to all chemical media corrosion.
Platinum crucible, in addition to the expensive cost, can basically withstand all the corrosive liquids that current electromagnetic flowmeters can measure.
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Electromagnetic flowmeter electrode selection is skillful