Electromagnetic flowmeter electrode corrosion resistance

Electromagnetic flowmeters are primarily used to measure the volumetric flow in electrically conductive liquids and slurries in closed conduits. Including acid, alkali, salt and other corrosive liquids. The electromagnetic flowmeter and the media in contact with the site, in addition to the lining, there is the electrode, the correct and reasonable choice of electromagnetic flowmeter measuring electrode to extend the life of the electromagnetic flowmeter is of great significance. The following is a brief introduction of the electromagnetic flowmeter electrode performance for your reference.

1. Molybdenum-containing stainless steel (0Cr18Ni12Mo2Ti): It can withstand nitric acid, less than 5% sulfuric acid at room temperature, boiling phosphoric acid, formic acid, alkali solution, sulfurous acid under certain pressure, seawater, and acetic acid.

2, Hastelloy C (HC) / Hastelloy B (HB): oxidation-resistant acids, oxidizing salts, seawater, non-oxidizing acids, non-oxidizing salts, alkali, sulfuric acid at room temperature.

3, titanium (Ti): resistant to seawater, various chloride and hypochlorous acid, chlorinated acid (including fuming nitric acid), organic acids, alkali.

4. Ta (Ta): resistant to hydrofluoric acid, fuming sulfuric acid, other chemical media other than alkali, including boiling point hydrochloric acid, nitric acid and sulfuric acid less than 175 °C.

5, platinum (PT): resistant to various acids, alkalis, salts, does not include aqua regia.

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