升降式止回阀H61H_高炉系统_止回阀
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- 服务热线:0577-67999989
- 图文传真:0577-67999178
- 企业邮箱:sales@oulam.cn
- 公司地址:浙江省温州市永嘉县瓯北街道和一工业区
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- 请求信息 : 2023-02-04 23:41:29 HTTP/1.1 GET : https://www.oulam.cn/product/check_valve/006-001538.html
- 运行时间 : 0.559448s [ 吞吐率:1.79req/s ] 内存消耗:5,798.91kb 文件加载:242
- 查询信息 : 236 queries
- 缓存信息 : 0 reads,1 writes
- 会话信息 : SESSION_ID=ec97510cc1512bcd951e2ec250378607
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高炉系统是用钢板作炉壳,壳内砌耐火砖内衬。高炉本体自上而下分为炉喉、炉身、炉腰、炉腹 、炉缸五个部分。由于高炉炼铁技术经济指标良好,工艺简单,生产量大,劳动生产效率高,能耗低等优点,故这种方法生产的铁占世界铁总产量的绝大部分。欧拉姆阀门生产的阀门能够很好的辅助高炉系统完成工作。
升降式止回阀阀瓣沿阀体垂直中心线滑动的止回阀,内螺纹止回阀只能安装在水平管道上,球阀可用于高压小口径止回阀。蝶阀止回阀的阀体形状与截止阀相同(可作为截止阀使用),所以其流体阻力系数较大。其结构与截止阀相似,阀体和阀瓣与截止阀相同。阀门的上部和阀盖的下部设有导向套,导向套可以在导向套内自由升降。当介质向下游流动时,阀门靠介质的推力开启,当介质停止流动时,阀门靠自挂落在阀座上,从而防止介质倒流。
升降式止回阀是指根据介质本身的流向自动开启和关闭阀瓣的阀门,用于防止介质回流。也叫止回阀、单向阀、回流阀、背压阀。升降式止回阀属于自动阀,主要作用是防止介质倒流,防止泵和驱动电机反转,释放容器内的介质。升降式止回阀也可以用在向辅助系统提供供给的管道中,在这些管道中,压力可能上升到系统压力以上。止回阀可分为旋启式止回阀(根据重心旋转)和升降式止回阀(沿轴线移动)。
结构长度短,其结构长度只有传统升降式止回阀的1/4~1/8,体积小、重量轻、其重量只有传统升降式止回阀的1/4~1/20。
阀瓣关闭快速,水锤压力小。水平或垂直管道均可使用,安装方便。流道通畅、流体阻力小。
动作灵敏、密封性能好;阀瓣行程短、关阀冲击力小;整体结构、简单紧凑、造型美观;使用寿命长、可靠性高
产品按国家标准GB/T12235设计制造。
升降式止回阀选用于公称压力PN1.6~6.4MPa
工作温度-29~550℃的石油、化工、火力电站等各种工况的管路上