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width="11%"><p>名称９�/p></td><td height="20" width="46%"><span style="color:#ff6600">QV40H手动V型球阀</span></td></tr><tr><td height="20"><p>型号９�/p></td><td height="20"><span style="color:#ff6600">QV40H-16C</span></td></tr><tr><td height="20"><p>口径９�/p></td><td height="20"><span style="color:#ff6600">DN15-DN500</span></td></tr><tr><td height="20"><p>压力９�/p></td><td height="20"><span style="color:#ff6600">1.0Mpa-10Mpa</span></td></tr><tr><td height="20"><p>材质９�/p></td><td height="20"><span style="color:#ff6600">不锈钢、碳钢、铸钢、陶瓶�/span></td></tr></tbody></table><table cellspacing="0" cellpadding="0" width="95%"><tbody><tr class="firstRow"><td><p><br/></p><p><strong><span style="font-size: 16px;font-family: 宋体;color: #3366ff">V</span></strong><strong><span style="font-size: 16px;font-family: 宋体;color: #3366ff">型球阀介绍９�/span></strong></p><p><span style="font-family: 宋体;color: #333333"> </span></p><p><span style="font-family: 宋体;color: #333333">V</span><span style="font-family: 宋体;color: #333333">型球阀是球阀的一种，它的关闭件是半球体上开有V字型开口，V型开口具有锋利的刃口＋�/span></p><p><span style="font-family: 宋体;color: #333333"> </span></p><p><span style="font-family: 宋体;color: #333333">在球体回转过程中，关闭件之间有擦拭作用，对介质具有强有力的切断力，球体的V型开叢�/span></p><p><span style="font-family: 宋体;color: #333333"> </span></p><p><span style="font-family: 宋体;color: #333333">与阀座流道形成一个扇形区域，在回转过程中可改变流道截面积，形成对介质的精确调节，</span></p><p><span style="font-family: 宋体;color: #333333"> </span></p><p><span style="font-family: 宋体;color: #333333">它是一种角回转的调节阀，其密封性能与普通球阀相同，使它同时具备调节和开关两种功能，</span></p><p><span style="font-family: 宋体;color: #333333"> </span></p><p><span style="font-family: 宋体;color: #333333">与气动或电动执行器配套，广泛使用于工业过程自控系统中、�/span></p><p><strong><span style="font-size: 16px;color: #3366ff">V</span></strong><strong><span style="font-size: 16px;font-family: 宋体;color: #3366ff">型球阀特点９�/span></strong></p><p style="margin-left: 24px"><span style="color: #333333">1�?span style="font-variant-numeric: normal;font-variant-east-asian: normal;font-stretch: normal;font-size: 9px;line-height: normal;font-family: 'Times New Roman'"> </span></span><span style="font-family: 宋体;color: #333333">阀体整体式结构：对夹式和法兰式</span><span style="color: #333333">V</span><span style="font-family: 宋体;color: #333333">型球阀阀体都是整体侧装式结构，结构刚性强，不</span></p><p><span style="color: #333333"> </span></p><p><span style="font-family: 宋体;color: #333333">容易引起变形和外泄、�/span><span style="color: #333333"> <br/><br/></span></p><p style="margin-left: 24px"><span style="color: #333333">2�?span style="font-variant-numeric: normal;font-variant-east-asian: normal;font-stretch: normal;font-size: 9px;line-height: normal;font-family: 'Times New Roman'"> </span></span><span style="font-family: 宋体;color: #333333">上下自润滑轴承：阀体内装有上下自润滑轴承，与阀杆接触面积大，承载能力高，磨�?/span></p><p><span style="font-family: 宋体;color: #333333">系数小，使阀门的扭矩减少、�/span><span style="color: #333333"> <br/><br/></span></p><p style="margin-left: 24px"><span style="color: #333333">3�?span style="font-variant-numeric: normal;font-variant-east-asian: normal;font-stretch: normal;font-size: 9px;line-height: normal;font-family: 'Times New Roman'"> </span></span><span style="font-family: 宋体;color: #333333">阀座可根据介质和工况的需要，选金属硬密封戕�/span><span style="color: #333333">PTFE</span><span style="font-family: 宋体;color: #333333">软密封：金属硬密封阀座密封表</span></p><p><span style="color: #333333"> </span></p><p><span style="font-family: 宋体;color: #333333">面堆焊硬质合金，琂�/span> <span style="font-family: 宋体;color: #333333">面镀硬铬或喷焊、离子氮化等硬化处理，使密封面使用寿命增强，耏�/span></p><p><span style="color: #333333"> </span></p><p><span style="font-family: 宋体;color: #333333">温提高；软密�?/span><span style="color: #333333">PTFE</span><span style="font-family: 宋体;color: #333333">阀座或增强</span><span style="color: #333333">PTFE</span><span style="font-family: 宋体;color: #333333">阀座密封性好</span> <span style="font-family: 宋体;color: #333333">耐腐蚀，适应范围广、�/span><span style="color: #333333"> <br/><br/></span></p><p><span style="color: #333333">4</span><span style="font-family: 宋体;color: #333333">、经济实用性：阀体重量轻，阀杆扭矩小，配用气动或电动执行器相应规格小，与其它籺�/span></p><p><span style="color: #333333"> </span></p><p><span style="font-family: 宋体;color: #333333">型的调节阀相比，性价比高、�/span><span style="color: #333333"> <br/><br/></span></p><p><span style="color: #333333">5</span><span style="font-family: 宋体;color: #333333">，介质适应范围广：由于</span><span style="color: #333333">V</span><span style="font-family: 宋体;color: #333333">型开口与阀座之间的剪切作用力，及阀内腔流道的光滑圆整，</span></p><p><span style="color: #333333"> </span></p><p><span style="font-family: 宋体;color: #333333">使介质不易积存于内腔，所�?/span> <span style="font-family: 宋体;color: #333333">它除适合液体介质外，更适合于带纤维及固体颗料介质的糺�/span></p><p><span style="color: #333333"> </span></p><p><span style="font-family: 宋体;color: #333333">统控制、�/span><span style="color: #333333"><br/><br/></span></p><p><span style="color: #333333">6</span><span style="font-family: 宋体;color: #333333">、小流量精确控制：通过对小口径阀芯特殉�/span><span style="color: #333333">V</span><span style="font-family: 宋体;color: #333333">型开口的加工，可实现導�/span><span style="color: #333333">Cv</span><span style="font-family: 宋体;color: #333333">值精确控制、�/span></p></td></tr></tbody></table><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> 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