平板闸阀的特点与用途简述

<p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">平板<strong>闸阀</strong>的特点：&nbsp;</span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;1.<span>阀座的密封结构应为弹性有预紧力，上、下游密封座同时密封的结构。阀座与密封物间始终为面对面密封。</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;2.<span>阀座有自清洗功能，并且在阀门开启或关闭过程中不受气流的直接冲刷。阀座应由有润滑、不磨损材料制成。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;3.<span>阀门执行机构的故障不会影响到阀门的其它部分，维修和更换工作能够在不拆下阀门的情况下进行。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;(1)<span>轭架套管：铝青铜轭架套管配置针形止推轴承，*大程度减少操作扭矩。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;(2)<span>阀杆：螺纹长度直到托架；销钉和点焊；具有稳定性。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;(3)<span>压力密封：结构简单，配置分段扣环和镀银低碳钢垫圈，有助于拆卸和实现*好的阀帽密封。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;(4)<span>阀座环：焊接阀座环垂直于流动通道，易于维护。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;(5)<span>执行机构：这些阀门可以配置电动、液动或气动执行机构。</span><span>DN300</span><span>以下配置标准手动手轮，</span><span>DN350</span><span>以上配置斜齿轮操作机构。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;(6)<span>轭架：完全装配式轭架通过抗震测试，易于维护和安装执行机构。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;(7)<span>压盖：两件式，自调节压盖，避免被弹出。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;(8)<span>整体后座：硬面，使用寿命*长。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;(9)<span>阀瓣：弹簧负载阀瓣能够自行调节，减少执行机构的扭矩需求。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;(10)<span>整体止动：整体铸造托架止动装置，定位组装的托架阀瓣，使得阀座更加稳定可靠。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;4.<span>阀体有铸造和焊接两种结构。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <span style="font-family:'Times New Roman';font-size:10.5pt;">&nbsp;&nbsp;&nbsp;&nbsp;5.<span>阀座采用</span><span>O</span><span>形密封圈密封和施加预紧力的浮动阀座结构，使阀门进出口双向密封；并且该结构的启闭力矩仅为普通阀门的</span><span>1/2</span><span>，能达到轻松开、关阀门。&nbsp;</span></span><span style="font-family:'Times New Roman';font-size:10.5pt;"></span> </p> <p class="p0"> <br /> </p>(完)