High risk of chlorine gas leakage and the need for valve replacement every 3 months with traditional products are critical challenges in chlor-alkali industry production. OUWEI's chlor-alkali special ball valve innovatively adopts a triple sealing structure with PTFE + graphite + bellows composite sealing, boasting a leakage rate of ＜1×10⁻⁹ mbar·L/s; the inner wall of the valve body is coated with HALAR 701 nano-coating, improving chlorine corrosion resistance by 5 times; a built-in pressure sensor enables real-time sealing failure early warning via APP. After the application of this product in the chlor-alkali unit of Wanhua Chemical, the annual leakage accidents dropped from 12 to zero.
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