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    [{"ID":"8342640","Picture":"2/20180402/636582750206484580728.jpg","PictureDomain":"img50","Name":"对夹升降式止回阀","Type":"H71","Descrip":"H71对夹升降式止回阀的体积流量与压力降关系:
    水的当量体积流量Vw与实际流体的体积流量v按下式换算:
    公式图
    式中:Vw一水的当量体积流量.l/s;
    P*体密度,kg/m3v一实际流体的体积流量,I/s;
    v一实际流体的体积流量,I/s。","CompanyName":"上海明精防腐阀门制造有限公司","CompanyID":"18576","MarketPrice":"-1","PsOrder":"2923","PgID":"91","MaxOrder":"3","CityID":"3","City":"上海市","Address":"上海市","PropertysValue":"","HitNumber":"378","FrontShow":"0","IsCharges":"1","Year":"12","StarNum":"4","UpdateAndClientSort":"108021651","StandUrl":"/st18576","UpdateTime":"2018/4/2 14:11:54","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"0","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"20350","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00"},{"ID":"8321045","Picture":"2/20110322/634364010428734925.jpg","PictureDomain":"img45","Name":"H71对夹升降式止回阀","Type":"","Descrip":"结构及尺寸
    H71对夹升降式止回阀由阀体、阀瓣、弹簧等组成,水平或垂直安装于管路系统,防止介质倒流,具有结构短、体积小、质量轻;阀瓣关闭快速,水锤压力小;流道通畅,流体阻力小;动作灵敏,密封性能好。","CompanyName":"上海仪欣阀门有限公司","CompanyID":"51852","MarketPrice":"-1","PsOrder":"","PgID":"91","MaxOrder":"3","CityID":"3","City":"上海市","Address":"上海市","PropertysValue":"","HitNumber":"270","FrontShow":"0","IsCharges":"1","Year":"10","StarNum":"5","UpdateAndClientSort":"107994442","StandUrl":"/st51852","UpdateTime":"2018/3/14 16:42:25","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"1","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"1759","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00"},{"ID":"56624","Picture":"2/2008/633551281197968750.jpg","PictureDomain":"img42","Name":"对夹升降式止回阀","Type":"","Descrip":"对夹升降式止回阀","CompanyName":"上海明精防腐阀门制造有限公司","CompanyID":"2823","MarketPrice":"-1","PsOrder":"2098","PgID":"91","MaxOrder":"3","CityID":"0","City":"","Address":"","PropertysValue":"","HitNumber":"2046","FrontShow":"0","IsCharges":"1","Year":"14","StarNum":"3","UpdateAndClientSort":"107638388","StandUrl":"/st2823","UpdateTime":"2017/7/10 10:28:03","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"1","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"2221","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00"},{"ID":"1217759","Picture":"2/20100916/634202740905312500.jpg","PictureDomain":"img43","Name":"对夹升降式止回阀","Type":"","Descrip":"对夹升降式止回阀

    销售:,61400728
    询价传真:,61400729

    ","CompanyName":"上仪集团-上海仪表集团公司中心","CompanyID":"48903","MarketPrice":"0.1","PsOrder":"2550","PgID":"91","MaxOrder":"3","CityID":"394","City":"上海","Address":"上海","PropertysValue":"","HitNumber":"640","FrontShow":"0","IsCharges":"1","Year":"10","StarNum":"3","UpdateAndClientSort":"107634835","StandUrl":"/st48903","UpdateTime":"2017/7/7 23:15:02","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"1","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"1759","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00"},{"ID":"318664","Picture":"2/20090308/633721216094348750.jpg","PictureDomain":"img42","Name":"止回阀","Type":"SH71H/W对夹升降式止回阀(全铜)","Descrip":"止回阀:SH71H/W对夹升降式(全铜)","CompanyName":"浙江扬子江泵业有限公司","CompanyID":"17296","MarketPrice":"100","PsOrder":"2700","PgID":"88","MaxOrder":"3","CityID":"0","City":"","Address":"","PropertysValue":"","HitNumber":"760","FrontShow":"0","IsCharges":"1","Year":"12","StarNum":"4","UpdateAndClientSort":"107129144","StandUrl":"/st17296","UpdateTime":"2016/7/21 19:04:12","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"0","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"1759","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00"},{"ID":"3345462","Picture":"2/20130717/635096699464027849996.jpg","PictureDomain":"img53","Name":"对夹升降式止回阀","Type":"SH71H/W","Descrip":"对夹升降式止回阀","CompanyName":"浙江三精阀门有限公司","CompanyID":"21901","MarketPrice":"555","PsOrder":"2477","PgID":"88","MaxOrder":"3","CityID":"101","City":"温州市","Address":"温州市","PropertysValue":"","HitNumber":"297","FrontShow":"0","IsCharges":"1","Year":"11","StarNum":"4","UpdateAndClientSort":"107126525","StandUrl":"/st21901","UpdateTime":"2016/7/19 23:25:03","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"1","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"1759","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00"},{"ID":"5885111","Picture":"2/20160520/635993401657262159821.jpg","PictureDomain":"img54","Name":"供应H41F46止回阀","Type":"","Descrip":"供应H41F46止回阀,升降式止回阀,对夹升降式止回阀,自动升降式止回阀适用在-50℃~150℃的各种浓度的王水、硫酸、盐酸、氢氟酸和各种有机酸、强酸、强氧化剂,FEP还适用于各种浓度的强碱有机溶剂以及其它腐蚀性气体、液体介质的管路上使用。","CompanyName":"温州弘凌泵阀有限公司","CompanyID":"21920","MarketPrice":"-1","PsOrder":"1625","PgID":"63","MaxOrder":"2","CityID":"101","City":"温州市","Address":"温州市","PropertysValue":"","HitNumber":"162","FrontShow":"0","IsCharges":"1","Year":"11","StarNum":"5","UpdateAndClientSort":"107039402","StandUrl":"/st21920","UpdateTime":"2016/5/20 11:22:48","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"1","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"4343","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00"},{"ID":"1794085","Picture":"2/20100916/634202740905312500.jpg","PictureDomain":"img43","Name":"对夹升降式止回阀","Type":"","Descrip":"对夹升降式止回阀

    销售:,61400728
    询价传真:,61400729

    ","CompanyName":"上仪集团-上海仪表集团公司中心","CompanyID":"58459","MarketPrice":"10","PsOrder":"2550","PgID":"91","MaxOrder":"3","CityID":"394","City":"上海","Address":"上海","PropertysValue":"","HitNumber":"318","FrontShow":"0","IsCharges":"1","Year":"9","StarNum":"3","UpdateAndClientSort":"106831598","StandUrl":"/st58459","UpdateTime":"2015/12/28 3:58:59","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"1","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"1759","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00"},{"ID":"1810218","Picture":"2/20100916/634202740905312500.jpg","PictureDomain":"img43","Name":"对夹升降式止回阀","Type":"","Descrip":"对夹升降式止回阀

    销售:,61400728
    询价传真:,61400729

    ","CompanyName":"上仪集团-上海仪表集团公司中心","CompanyID":"58460","MarketPrice":"10","PsOrder":"2550","PgID":"91","MaxOrder":"3","CityID":"394","City":"上海","Address":"上海","PropertysValue":"","HitNumber":"282","FrontShow":"0","IsCharges":"1","Year":"9","StarNum":"3","UpdateAndClientSort":"106829292","StandUrl":"/st58460","UpdateTime":"2015/12/26 13:32:04","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"1","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"1759","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00"},{"ID":"7703054","Picture":"2/20170714/636356463105684047814.jpg","PictureDomain":"img60","Name":"【H71H】对夹升降式止回阀","Type":"H71H","Descrip":"【H71H】对夹升降式止回阀不锈钢对夹式升降式止回阀的体积流量与压力降关系:
    水的当量体积流量Vw与实际流体的体积流量v按下式换算:
    公式图
    式中:Vw一水的当量体积流量.l/s;
    P*体密度,kg/m3v一实际流体的体积流量,I/s;
    v一实际流体的体积流量,I/s。","CompanyName":"上海明精防腐阀门制造有限公司","CompanyID":"18576","MarketPrice":"-1","PsOrder":"2923","PgID":"91","MaxOrder":"3","CityID":"3","City":"上海市","Address":"上海市","PropertysValue":"","HitNumber":"281","FrontShow":"0","IsCharges":"1","Year":"12","StarNum":"5","UpdateAndClientSort":"107644500","StandUrl":"/st18576","UpdateTime":"2017/7/14 16:20:58","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"0","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"20350","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00"},{"ID":"1687923","Picture":"2/20110322/634364010428734925.jpg","PictureDomain":"img45","Name":"对夹升降式止回阀","Type":"H71","Descrip":"对夹升降式止回阀由阀体、阀瓣、弹簧等组成,水平或垂直安装于管路系统,防止介质倒流,具有结构短、体积小、质量轻;阀瓣关闭快速,水锤压力小;流道通畅,流体阻力小;动作灵敏,密封性能好。","CompanyName":"上海仪欣阀门有限公司","CompanyID":"51852","MarketPrice":"-1","PsOrder":"","PgID":"91","MaxOrder":"3","CityID":"3","City":"上海市","Address":"上海市","PropertysValue":"","HitNumber":"468","FrontShow":"0","IsCharges":"1","Year":"10","StarNum":"4","UpdateAndClientSort":"107631286","StandUrl":"/st51852","UpdateTime":"2017/7/5 12:06:48","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"1","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"1759","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00"},{"ID":"6822179","Picture":"2/20170119/636204351347649005524.jpg","PictureDomain":"img60","Name":"H71对夹升降式止回阀","Type":"H71型","Descrip":"一、产品H71对夹升降式止回阀,对夹式止回阀,的详细资料:
    产品型号:H71产品名称:对夹升降式止回,,对夹式止回阀,升降式止回阀
    产品特点:
    二、流体力学性能:
    的体积流量与压力降关系:
    水的当量体积流量Vw与实际流体的体积流量v按下式换算:
    公式图","CompanyName":"上海明精防腐阀门制造有限公司","CompanyID":"18576","MarketPrice":"-1","PsOrder":"2923","PgID":"91","MaxOrder":"3","CityID":"3","City":"上海市","Address":"上海市","PropertysValue":"","HitNumber":"323","FrontShow":"0","IsCharges":"1","Year":"12","StarNum":"5","UpdateAndClientSort":"107390986","StandUrl":"/st18576","UpdateTime":"2017/1/19 15:06:28","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"0","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"20350","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00"},{"ID":"6728080","Picture":"2/20161214/636173034438347761113.jpg","PictureDomain":"img67","Name":"H71对夹升降式止回阀","Type":"H71","Descrip":"一、产品H71对夹升降式止回阀,对夹式止回阀,升降式止回阀的详细资料:
    产品型号:H71
    二、流体力学性能:
    的体积流量与压力降关系:
    水的当量体积流量Vw与实际流体的体积流量v按下式换算:
    公式图
    式中:Vw一水的当量体积流量.l/s;
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