<晴风村n style="word-wrap: break-word; font-size: 16px; font-family: 微软雅黑, "Microsoft YaHei"; position: unset !important;">SWM型无压风门（压力平衡式风门）主要用于煤矿井下进回风巷和主要进回风巷之间每个联络巷中，是目前所用风门的更新换代产品。
<晴风村n style="word-wrap: break-word; font-size: 16px; font-family: 微软雅黑, "Microsoft YaHei"; position: unset !important;">
<晴风村n style="word-wrap: break-word; font-size: 16px; font-family: 微软雅黑, "Microsoft YaHei"; position: unset !important;">二、性能特点
<晴风村n style="word-wrap: break-word; font-size: 16px; font-family: 微软雅黑, "Microsoft YaHei"; position: unset !important;">1.开启力小,开启力与巷道内风压大小无关；
<晴风村n style="word-wrap: break-word; font-size: 16px; font-family: 微软雅黑, "Microsoft YaHei"; position: unset !important;">2.人或车过后，风门能自动关闭；
<晴风村n style="word-wrap: break-word; font-size: 16px; font-family: 微软雅黑, "Microsoft YaHei"; position: unset !important;">3.双向密封，漏风量小；
<晴风村n style="word-wrap: break-word; font-size: 16px; font-family: 微软雅黑, "Microsoft YaHei"; position: unset !important;">4.两道风门之间可实现闭锁；
<晴风村n style="word-wrap: break-word; font-size: 16px; font-family: 微软雅黑, "Microsoft YaHei"; position: unset !important;">5.风门开、闭平稳无冲击，***；
<晴风村n style="word-wrap: break-word; font-size: 16px; font-family: 微软雅黑, "Microsoft YaHei"; position: unset !important;">6.撞杆式无压风门当矿车通过时，可通过矿车侧边对风门撞杆的挤撞作用将风门打开，省掉了人工开门的程序；
<晴风村n style="word-wrap: break-word; font-size: 16px; font-family: 微软雅黑, "Microsoft YaHei"; position: unset !important;">7.当矿车失控时，可通过矿车侧边对风门撞杆的挤撞作用将风门打开，不会对风门造成损坏；
<晴风村n style="word-wrap: break-word; font-size: 16px; font-family: 微软雅黑, "Microsoft YaHei"; position: unset !important;">8.结构简单，易于维护。
<晴风村n style="word-wrap: break-word; font-size: 16px; font-family: 微软雅黑, "Microsoft YaHei"; position: unset !important;">三、风门机械联锁装置
<晴风村n style="word-wrap: break-word; font-size: 16px; font-family: 微软雅黑, "Microsoft YaHei"; position: unset !important;">在两道风门之间安装FMBS-A/B型风门机械联锁装置，一道风门打开时另一道风门不能打开，从而实现两道风门的联锁。