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止回阀

止回阀

止回阀是指启闭件为圆形阀瓣并靠自身重量及介质压力产生动作来阻断介质倒流的一种阀门。属自动阀类,又称逆止阀、单向阀、回流阀或隔离阀。阀瓣运动方式分为升降式和旋启式。升降式止回阀与截止阀结构类似,仅缺少带动阀瓣的阀杆。介质从进口端(下侧)流入,从出口端(上侧)流出。当进口压力大于阀瓣重量及其流动阻力之和时,阀门被开启。反之,介质倒流时阀门则关闭。旋启式止回阀有一个斜置并能绕轴旋转的阀瓣,工作原理与升降式止回阀相似。止回阀常用作抽水装置的底阀,可以阻止水的回流。止固阀与截止阀组合使

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公司简介:
Gestra止回阀有100年的未来,1902年10月29日,古斯塔夫·弗里德里希·盖茨(GustavFriedrichGerdts)成立了自己的企业Gestra止回阀公司,工业时代才刚刚开始。他是一个年轻的无名之辈,没有财政资源,但他有许多新想法。","Price":"2000.00","Picture":"2/20200214/637173010605061617638.jpg","PictureDomain":"img71","MarketPrice":"2000","WholesalePrice":"-1","RetailPrice":"-1","PromotionalPrice":"-1","PsOrder":"1815","IndexShow":"0","CompanyLink":"","CompanyName":"赫尔纳贸易(大连)有限公司","MaxOrder":"1","StandUrl":"/st53275","PgID":"82","CityID":"51","City":"大连市","Year":"7","UserID":"70981","ShowPrice":"0.00","AttType":"0","AttState":"3","AttAddType":"0","UpdateTime":"2020/2/14 18:19:56","IsOnlinePay":"0","ClassID":"5678","BrandPicDomin":"","BrandPicName":"","BrandProperty":"Herion/海隆","PBrandID":"701","HitNumber":"969","CompanyTypeID":"1","LinkMan":"王经理","TelPhone":"86-411-87187730","Tag":"Gestra控制阀,Gestra截止阀","ClassName":"止回阀"},{"rn":"6","Part":"0","ID":"12536654","CompanyID":"112038","Type":"","Name":"不锈钢法兰防火止回阀","Address":"","Descrip":"不锈钢法兰防火止回阀是指启闭件为圆形阀瓣并靠自身重量及介质压力产生动作来阻断介质倒流的一种阀门。属自动阀类,又称逆止阀、单向阀、回流阀或隔离阀。阀瓣运动方式分为升降式和旋启式。","Price":"0","Picture":"2/20191024/637075216064194195173.jpg","PictureDomain":"img71","MarketPrice":"-1","WholesalePrice":"-1","RetailPrice":"-1","PromotionalPrice":"-1","PsOrder":"1348","IndexShow":"0","CompanyLink":"www.jshyv.cn","CompanyName":"江苏华英阀业有限公司","MaxOrder":"1","StandUrl":"/st112038","PgID":"83","CityID":"87","City":"无锡市","Year":"2","UserID":"131836","ShowPrice":"0.00","AttType":"0","AttState":"3","AttAddType":"2","UpdateTime":"2020/1/19 10:10:53","IsOnlinePay":"0","ClassID":"5678","BrandPicDomin":"","BrandPicName":"","BrandProperty":"无","PBrandID":"354","HitNumber":"1229","CompanyTypeID":"3","LinkMan":"洪文华","TelPhone":"0510-85409999","Tag":"缓闭式止回阀,三通止回阀,圆形止回阀,止回阀厂家","ClassName":"止回阀"},{"rn":"7","Part":"0","ID":"9966869","CompanyID":"55982","Type":"","Name":"BURKERT止回阀优点,宝帝止回阀功能","Address":"德国","Descrip":"BURKERT止回阀优点,宝帝止回阀功能
除了将阀门作为主站,也可采用分散的
单个模块和/或将一个主站与几个分散单元相结合。
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适用介质为:水、油品、蒸汽、酸性介质等。
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质量稳定:实行全过程质量监控,细致入微,*检测!
价格合理:高效内部成本控制,减少了开支,让利于客户!
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放大图片
详细信息:
止回阀:止回阀又称单向阀或逆止阀,其作用是防止管路中的介质倒流。水泵吸水关的底阀也属于止回阀类。
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夹板2螺栓3调整块4阀瓣5密封圈6调整螺钉
3)Parker派克阀杆与阀体隔板和上阀盖间的轴向密封采用O形圈。
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主营SMC,FESTO,宝德等品牌,有很大价格优势,保证原装正品。SMC特价系列VBA阀,ITV比例阀现货、KQ气管,AC三联件等VBA40A-04GN
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电站止回阀产品结构特点:

一种是遵循ANSIB16.34和JISE101标准的引进型;另一种是Jb3595标准的国标型。其遵循的温度、压力等级是*的,在一些管道中存在着某种互换关系。中部采用无阀盖压力自紧式,在高温高压工况下具有良好的密封性能。自密封圈有两种材料:一种是低碳钢,另一种是柔性石墨夹316丝(网)。密封","Price":"10","Picture":"2/20090724/633840653238152500.jpg","PictureDomain":"img42","MarketPrice":"10","WholesalePrice":"-1","RetailPrice":"-1","PromotionalPrice":"-1","PsOrder":"1602","IndexShow":"0","CompanyLink":"","CompanyName":"温州弘凌泵阀有限公司","MaxOrder":"1","StandUrl":"/st14843","PgID":"82","CityID":"101","City":"温州市","Year":"11","UserID":"23738","ShowPrice":"0.00","AttType":"0","AttState":"3","AttAddType":"0","UpdateTime":"2016/9/30 13:38:46","IsOnlinePay":"0","ClassID":"5678","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","HitNumber":"3584","CompanyTypeID":"3","LinkMan":"何先生","TelPhone":"0577-67987292","Tag":"电站止回阀,止回阀,高压止回阀,","ClassName":"止回阀"},{"rn":"26","Part":"0","ID":"9821384","CompanyID":"80152","Type":"","Name":"派克Parker RHD20-ZS止回阀上海央欧张飞优势供应","Address":"","Descrip":"上海央欧自动化科技有限公司专注于进口德国欧洲工业控制设备,从原产区直接拿货,一手货源,优势价格!众多德国欧洲原厂与我司有着多年的坚定合作,十多年来,上海央欧坚持从德国原厂源头采购,保证一手正品货源,以zui优势的价格,给中国用户带来的产品和服务!专业采购德国工控产品、仪表仪器和备品备件!
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放大图片
详细信息:
止回阀:止回阀又称单向阀或逆止阀,其作用是防止管路中的介质倒流。水泵吸水关的底阀也属于止回阀类。
启闭件靠介质流动和力量自行开启或关闭,以防止介质倒流的阀门叫止回阀。止回阀属于自动阀类,主要用于介质单向流动的管道上,只允许介质向一个方向流动,以防止发生事故。
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