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Overview：MWSD mine gas dedicated butterfly valve is mainly designed for gas characteristics of the special valve, with two-way pressure, two-way seal, anti-static, anti-corrosion and so on. Widely used in coal mine gas drainage system on the pipeline, fully able to meet the coal mine high explosive and high corrosive medium under the long-term safe operation requirements. MWSD mine gas dedicated electric butterfly valve and KXBC mine explosion-proof valve electric device control box supporting the use of, can be connected with the DCS system to meet the requirements of coal mine automation and control.