铸铁闸阀厂家从设计、制作安装及验收、防腐蚀、原材料进厂、零部件加工、工艺流程、质量检验、成品销售和售后服务全部执行部颁标准。经水利部水工金属结构质量检测中心的鉴定，达到水利工程技术要求，产品性能和制造精度达到国内同行业先进水平。</span></p><p style="margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">铸铁</span><span style=";font-family:宋体;line-height:150%;font-size:16px">闸阀</span><span style=";font-family:宋体;line-height:150%;font-size:16px">具有外型美观、结构简单、操作安全、启闭灵活运行可靠、安装方便、封水严密、止水性能好、有良好的不透水性、耐腐蚀性能强、能承受较大的水压力、摩擦力小、控制水流好、合理分配水量、保证河道安全运行、使用寿命长、维修费用低等优点</span><span style=";font-family:宋体;line-height:150%;font-size:16px">。</span></p><p style="margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">PGZ铸铁拱形</span><span style=";font-family:宋体;line-height:150%;font-size:16px">闸阀</span><span style=";font-family:宋体;line-height:150%;font-size:16px">是以优质铸铁为原料制造的一种止水</span><span style=";font-family:宋体;line-height:150%;font-size:16px">闸阀</span><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">，它具有很强的耐腐蚀性能，止水密封好，装置简单，运用寿命厂等特性。</span>PGZ整体和组装式铸铁</span><span style=";font-family:宋体;line-height:150%;font-size:16px">闸阀</span><span style=";font-family:宋体;line-height:150%;font-size:16px">是我公司的主导产品，它采用机械加工面直接止水，止水效果显著。</span><span style=";font-family:宋体;line-height:150%;font-size:16px">闸阀</span><span style=";font-family:宋体;line-height:150%;font-size:16px">构造合理，便于装置，操作</span><span style=";font-family:宋体;line-height:150%;font-size:16px">繁琐</span><span style=";font-family:宋体;line-height:150%;font-size:16px">，灵敏，易于管理、耐腐蚀。</span></p><p style="margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">闸阀</span><span style=";font-family:宋体;line-height:150%;font-size:16px">是水利水电工程中各种渠道上的控制性设备，普遍应用于中小型水利水电、市政给排水工程、水产养殖、农田灌溉等水利工程。它是用于开启控制水位，调理流量的作用。</span></p><p style="margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">1米启闭机</span><span style=";font-family:宋体;line-height:150%;font-size:16px">铸铁</span><span style=";font-family:宋体;line-height:150%;font-size:16px">闸阀</span><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">普通来说是由闸板、闸框、压板、止水销、吊鼻等组成。按构造方式分为：</span>PGZ整体式和组合式两种。</span><span style=";font-family:宋体;line-height:150%;font-size:16px">闸阀</span><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">在启闭机的作用（手动和电动）下，使闸板在闸框的止水面上上下下滑动，完成开放和关闭的过水孔口，闭紧止水销可使止水面有效贴合，以保证中水效果，完成良好的止水目的。每米长度的渗水量不超越</span>0.03升/秒。</span></p><p style="margin-right:0;margin-left:0;text-indent:0;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">一、</span>PGZ铸铁拱形</span><span style=";font-family:宋体;line-height:150%;font-size:16px">闸阀</span><span style=";font-family:宋体;line-height:150%;font-size:16px">装置与调整：</span></p><p style="margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">1、在</span><span style=";font-family:宋体;line-height:150%;font-size:16px">闸阀</span><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">装置前</span>,首先检查各部衔接部位的螺栓能否因运输装卸中形成的松动，如有松动应以加固。</span></p><p style="margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">2、检查主立框与附框、主立框与横框、闸板与闸框衔接的止水面能否有错位，如有错位则松动联合螺栓将止水面调整在同一平面内。必需采用需求整体装置，严禁拆开装置。</span></p><p style="margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">3、装置调整，</span><span style=";font-family:宋体;line-height:150%;font-size:16px">闸阀</span><span style=";font-family:宋体;line-height:150%;font-size:16px">的一期工程根底布置图配钢筋并留一定的焊接长度。二期浇注前将</span><span style=";font-family:宋体;line-height:150%;font-size:16px">闸阀</span><span style=";font-family:宋体;line-height:150%;font-size:16px">整体吊装就位，穿好各调整螺栓并拧紧，找好</span><span style=";font-family:宋体;line-height:150%;font-size:16px">闸阀</span><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">前后、左右的正确位置，找直找平，用拉线加以固定，然后调整螺栓与工程钢筋焊接，再用塞尺检测确保各止水面的间隙在</span>0.3mm以下，***后可停止二期浇注。