How to choose electromagnetic flow meter liner

 How to choose electromagnetic flow meter liner
The electromagnetic flow meter can be applied in a wide range, but the lining material should be selected according to the corrosiveness, abrasion and temperature of the measured medium in the early selection of the electromagnetic flow meter, so as to ensure that it maintains normal operation during operation. Q&T as flow meter manufacturer, makes the following description about the selection of the electromagnetic flow meter lining. 
I. Natural rubber 
1. Good elasticity, wear resistance and tearing force
2. Resistant to general weak acid and weak alkali corrosion
3. Measuring water and sewage
II. Acid-resistant rubber (hard rubber)
It is resistant to the corrosion of hydrochloric acid, acetic acid, oxalic acid, ammonia water, phosphoric acid and 50% sulfuric acid, sodium hydroxide and potassium hydroxide at room temperature, but it is not resistant to the corrosion of strong oxidants and measures general acid, alkali and salt solutions.
1. Excellent elasticity, high breaking force, good wear resistance
2. It is resistant to corrosion by general low-concentration acid-base and salt solutions, and can measure water, sewage, mud and ore pulp
IV.Polyurethane rubber
1. Excellent wear resistance
2. Poor acid and alkali resistance
3. Measure neutral and strong abrasive coal slurry, mud and ore slurry
1. Resistant to boiling hydrochloric acid, sulfuric acid, nitric acid, aqua regia, concentrated alkali and various organic solvents
2. Good wear resistance and poor adhesion
3. Measure concentration, strong alkali strong corrosive solution and sanitary medium.


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