jktl valve,ball valve

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Why desalination water medium using rubber lined butterfly valve, lined diaphragm valve short life?
jktl valve
Desalted water medium contains low concentrations of acid or alkali, they are more corrosive to rubber. Rubber corrosion is manifested as expansion, aging, low strength, with rubber lined butterfly valve, diaphragm effect is poor, the essence is the rubber is not resistant to corrosion caused. Hongfeng valve that the back rubber diaphragm valve to improve the corrosion resistance of the lining of the fluorine valve, but the lining of the diaphragm diaphragm can not withstand folding up and down and was broken, resulting in mechanical damage, the valve life shorter The Now the best way is to use water treatment dedicated ball valve, it can be used to 5 to 8 years.​​​