和利隆 自动矿用巷道防爆无压风门 行车风门 高强防护

 <晴风村n style="font-variant-numeric: normal; font-variant-east-asian: normal; color: rgb(51, 51, 51); font-family: null; font-size: 16px; line-height: 28.8px; widows: 1;">主要特点<晴风村n style="font-variant-numeric: normal; font-variant-east-asian: normal; color: rgb(51, 51, 51); font-family: null; font-size: 16px; line-height: 28.8px; widows: 1;">风门开启力小，开启力与风压大小及向无关；<晴风村n style="font-variant-numeric: normal; font-variant-east-asian: normal; color: rgb(51, 51, 51); font-family: null; font-size: 16px; line-height: 28.8px; widows: 1;">双向隔风，漏风量小，无需再设反向风门；<晴风村n style="font-variant-numeric: normal; font-variant-east-asian: normal; color: rgb(51, 51, 51); font-family: null; font-size: 16px; line-height: 28.8px; widows: 1;">钢质构造，结构简单，坚固；<晴风村n style="font-variant-numeric: normal; font-variant-east-asian: normal; color: rgb(51, 51, 51); font-family: null; font-size: 16px; line-height: 28.8px; widows: 1;">关闭平稳，；<晴风村n style="font-variant-numeric: normal; font-variant-east-asian: normal; color: rgb(51, 51, 51); font-family: null; font-size: 16px; line-height: 28.8px; widows: 1;">防火性能好，能有效阻止皮带运输巷可能发生的火灾，防止火灾及有害气体进入其它巷道；<晴风村n style="font-variant-numeric: normal; font-variant-east-asian: normal; color: rgb(51, 51, 51); font-family: null; font-size: 16px; line-height: 28.8px; widows: 1;">压力平衡式风门既能手动听操作，也可动力操作，如再加一套控制系统，可实现风门的自动开启；<晴风村n style="font-variant-numeric: normal; font-variant-east-asian: normal; color: rgb(51, 51, 51); font-family: null; font-size: 16px; line-height: 28.8px; widows: 1;">两道风门之间可实现相互闭锁。