It depends on the PH value of your sewage is the acidity and alkalinity, if the acidity and alkalinity is very high corrosivity is very powerful on the use of sewage treatment with plastic acid and alkali self-priming pumps, high molecular weight polypropylene material made of for temperatures below 100 degrees, the amount of solids (hard soft particles are not limited to) not more than 40% of any concentration of acid, alkali, salt strong oxidizing agents, organic solvents, and other media conveying.
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