How to correctly select the lining material for electromagnetic flowmeters

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The lining material should be selected based on the corrosivity, wear resistance, and temperature of the medium being measured: 1. Natural rubber (soft rubber) 1. Good elasticity, wear resistance, and tensile strength. 2. Resistant to corrosion by mild acids and bases. 3. Suitable for measuring water and wastewater. 2. Acid-resistant rubber (hard rubber) Electromagnetic flowmeters can resist corrosion by hydrochloric acid, acetic acid, oxalic acid, ammonia water, phosphoric acid, as well as 50% sulfuric acid, sodium hydroxide, and potassium hydroxide at room temperature; however, they are not resistant to corrosion by strong oxidizing agents. Suitable for measuring ordinary acid, base, and salt solutions. 3. Neoprene 1. Excellent elasticity, high tensile strength, and good wear resistance. 2. Resistant to corrosion by low-concentration acid, base, and salt solutions; however, it is not resistant to corrosive oxidative media