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            <div class="bold">多值压力控制器YWK-22</div>
            <p>产品型号： D500/7D</p>
            <p>所属分类：压力控制器</p>
            <p>产品时间：2024-07-14</p>
            <p class="prodetail_desc">简要描述：多值压力控制器YWK-22</br>压差控制器的外壳盖上装有试验推钮，测试延时机构的可靠性，当制冷压缩机在运转时，将推或依箭头方向推动，推动时间须大于延时时间，在经过一定的延时时间后，如能切断电机电源，则说明延时机构能正常工作。</p>
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        <div class="pro_con_tlt"><span>详情介绍</span></div>
         <div class="pro_con"><p><strong>多值压力控制器YWK-22</strong></p><p><strong>多值压力控制器YWK-22</strong></p><h2 id="outline-2" style="margin: 32px 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); box-sizing: border-box; font-size: 20px; color: rgb(25, 35, 46); font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", 微软雅黑, Arial, sans-serif; text-align: justify; white-space: normal; background-color: rgb(255, 255, 255);">2.压差控制器的工作原理</h2><p style="margin-top: 28px; margin-bottom: 28px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); box-sizing: border-box; font-size: 18px; line-height: 28px; overflow: hidden; text-align: justify; color: rgb(25, 35, 46); font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", 微软雅黑, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;">压差控制器</span>是一种用于防止制冷压缩机因润滑油的压力不足而损坏轴瓦的保护装置。如果制冷压缩机启动后，在60秒内油压建立不起来，则压差控制器动作自动切断电源,确保系统安全运行。</p><p style="margin-top: 28px; margin-bottom: 28px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); box-sizing: border-box; font-size: 18px; line-height: 28px; overflow: hidden; text-align: justify; color: rgb(25, 35, 46); font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", 微软雅黑, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;">压差控制器</span>的工作原理是:根据作用在两个相对的感压元件(波纹管)上。两个不同压力其差值所产生的力由弹簧平衡如果小于调定值时。由于杠杆的作用，这时开关接通延时机构中的电加热器，在一定的延时范围内(约60秒左右)使延时开关动作，切断电机电源使压缩机停车，同时加热器停止加热。控制器的延时机构中装有手动复位装置，当压缩机由于油压建立不起而停车，控制器动作后不能自动复位，须待排除故障后再按一下复位按钮，才能使延时机构中的延时开关接通电机电源使压缩机启动。</p><p style="margin-top: 28px; margin-bottom: 28px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); box-sizing: border-box; font-size: 18px; line-height: 28px; overflow: hidden; text-align: justify; color: rgb(25, 35, 46); font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", 微软雅黑, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;">压差控制器</span>的外壳盖上装有试验推钮，测试延时机构的可靠性，当制冷压缩机在运转时，将推或依箭头方向推动，推动时间须大于延时时间，在经过一定的延时时间后，如能切断电机电源，则说明延时机构能正常工作。<br/>&nbsp;</p><h2 id="outline-3" style="margin: 32px 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); box-sizing: border-box; font-size: 20px; color: rgb(25, 35, 46); font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", 微软雅黑, Arial, sans-serif; text-align: justify; white-space: normal; background-color: rgb(255, 255, 255);">3.压差控制器的作用</h2><p style="margin-top: 28px; margin-bottom: 28px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); box-sizing: border-box; font-size: 18px; line-height: 28px; overflow: hidden; text-align: justify; color: rgb(25, 35, 46); font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", 微软雅黑, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;">压差控制器</span>主要用于监测与控制两个不同空间的空气压力差值。常见于安装有正压送风系统的环境，例如无尘车间、实验室、及高层建筑前室、楼梯间及地下车库等。使用环境不同，其技术要求也不尽相同。像无尘车间、实验室，通常要求其空间内部气压高于外部气压10~15Pa;而高层建筑前室(包括消防电梯前室、楼梯间前室、合用前室、三合一前室、共用前室等）要求是25~30Pa，楼梯间要求是40~50Pa。</p><p><br/></p><br />
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