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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p>出售上海井用潜水泵QJ泵批� 工地供排水潜水泵</p><p>一� 产品介绍 : 井用潜水泵QJ� 工地供排水潜水泵是电机与水泵直联一体潜入水中工作的提水机具，它适用于从深井撮地下水、也可用 于河流、水库、水渠等到提水工程：主要用于农田灌溉及高原山区的人畜用水，亦可供城市、工厂、铁路、污水厂、工地供排水使用�?nbsp; 二、产品特� 1、电机、水泵一体、潜入水中运行，安全可靠� 2、对井管、扬水管无特殊要求（即：钢管井、灰管井、土井等均可使用；在压力许可下、钢管、胶管、塑料管等均可作扬水管使� 3、安装、使用、维护方便简单占地面积小、不需要造泵房� 4、结构简单，节省原材料� 潜水电泵使用的条件是否合适，管理得当与使用寿命有直接的关系�?nbsp; 三、使用条� 1、额定频率为50HZ，额定电压为380+5%伏的三相交流电源� 2、井用潜水泵QJ� 工地供排水潜水泵进水口必须在动水�?米以下，但潜水深度不得超过静水位以下70米，电机下端距井底水深少�?米以上� 3、水温一般不得高�?0OC� 4、水质要求：�?）水中含砂量不大�?.01%（重量比）； (潜污泵价格与技术咨询，可电◎②①⑥①⑤� ⑦◎ � ⑧。①⑧⑨� � � ⑨⑥� ⑦⑦。您也可拨打�?O00O15655。Q Q：l5858 1222l�?�?）PH值在6.5~8.5范围� �?）氯离子含量不大�?00毫克/� 5、要求井正直、进壁光滑�?nbsp; 四、结构说�?nbsp; 1、QJ型深井泵由：水泵、潜水电机（包括电缆）、输水管和控制开关四大部分组成。潜水泵为单吸多级立式离心泵：潜水电机为密闭充水湿式、立式三相笼异步电动机，电机与水泵通过爪式或单健筒式联轴器直接；配备有不同规格的三芯电缆；起动设备为不同容量等级的空气开关和自偶减压起动器、输水管为不同直径的钢管制成、采用法兰联接，高扬程式电泵采用闸阀控制� 2、潜水泵每级导流壳中装有一个橡胶轴承；叶轮用锥形套固定在泵轴上；导流壳采用螺纹或螺栓联成一体� 3、高扬程潜水泵上部装有止回阀，避免停机水垂造成机组破坏� 4、潜水电机轴上部装有迷宫式防砂器和两个反向装配的骨架油封，防止流砂进入电机� 5、潜水电机采用水润滑轴承，下部装有橡胶调压膜、调压弹簧，组成调压室，调节由于温度引起� 压力变化；电机绕组采用聚乙稀绝缘，尼龙护套耐用消费品水电磁线，电缆联接方式按QJ型电缆接头工艺，把接头绝缘脱去刮净漆层，分别接好，焊接牢固，用生橡胶绕一层。再用防水粘胶带�?~3层，外面包上2~3层防水胶布或用水胶粘结包一层橡胶带（自行车里带）以防渗水� 6、电机密闭，采用精密止口螺栓，电缆出口加胶垫进行密封� 7、电机上端有一个注水孔，有一个放气孔，下部有一个放水孔� 8、井用潜水泵QJ� 工地供排水潜水泵的电机下部装有上下止推轴承，止推轴承上有沟槽用于冷却，和它对磨的是不锈钢推力盘，随水泵的上下轴向力、�/p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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