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用金属硬密封蝶阀替代加热炉烧嘴前切断煤气用的软密封球阀,解决了球阀不耐高温、泄漏煤气、操作困难等问题。
Metal hard-sealed butterfly valve to replace the gas burner before cutting the soft seal ball valve to solve the ball valve is not high temperature, gas leaks, operating difficulties and other issues.