美标不锈钢闸阀Z41W_成品油输送管线
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欧拉姆阀门科技有限公司
- 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 : 2023-03-31 14:56:00 HTTP/1.1 GET : https://www.oulam.cn/product/gate_valve/004-000479.html
- 运行时间 : 0.425642s [ 吞吐率:2.35req/s ] 内存消耗:5,624.91kb 文件加载:241
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- 缓存信息 : 0 reads,1 writes
- 会话信息 : SESSION_ID=f5303a4c77d4aafd92296cb9d1c118f9
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成品油管道运输,通过输油管道进行的成品油输送。炼油厂加工出的各类成品油,用管道输送至各成品油库或直接由管道输送至用户。可以用一条管线按预编程序,输送各种不同的油品。欧拉姆阀门为各个行业提供了3000多台美标闸阀,拥有行业领先技术,美标闸阀将作用于各成品油库的管道上,结实耐用不泄漏。
美标闸阀的启闭件是闸板,闸板的运动方向与流体方向相垂直,美标闸阀只能作全开和全关 , 不能作调节和节流。闸板有两个密封面 , 最常用的模式闸板阀的两个密封面形成楔形、楔形角随美标闸阀参数而异 , 通常为50, 介质温度不高时为 2°52'。楔式闸阀的闸板可以做成一个整体,叫做刚性闸板;也可以做成能产生微量变形的闸板 , 以改善其工艺性,弥补密封面角度在加工过程中产生的偏差 , 这种闸板叫做弹性闸板。
美标闸阀关闭时:密封面可以只依靠介质压力来密封,即依靠介质压力将闸板的密封面压向另一侧的阀座来保证密封面的密封,这就是自密封。大部分闸阀是采用强制密封的,即阀门关闭时,要依靠外力强行将闸板压向阀座,以保证密封面的密封性。闸阀的闸板随阀杆一起作直线运动的,叫升降杆闸阀 (亦叫明杆闸阀)。通常在升降杆上有梯形螺纹,通过阀门顶端的螺母以及阀体上的导槽,将旋转运动变为直线运动,也就是将操作转矩变为操作推力。开启阀门时,当闸板提升高度等于阀门通径的1:1倍时,流体的通道完全畅通,但在运行时,此位置是无法监视的。实际使用时,是以阀杆的顶点作为标志,即开不动的位置,作为它的全开位置。为考虑温度变化出现锁死现象,通常在开到顶点位置上,再倒回 1/2-1圈,作为全开阀门的位置。因此,阀门的全开位置,按闸板的位置来确定。
弹性座封锻钢闸阀相较于平底式闸阀,在密封性能上更可靠,平底式闸阀由于阀底凹槽的设计,容易使碎石、木块、水泥、铁屑等杂物在通水洗管后形成淤积而造成阀门切口关闭时不够紧密,从而形成漏水现象,而弹性座封闸阀则有效地避开该问题,整体上更加紧密,使流体畅通无阻,无泄漏隐患。
阀体、阀盖等承压件采用整体锻造,在阀体上对堆焊合金层直接在阀体上加工而成,内部整体精密确保阀门密封性。堆焊层厚度大于等于2mm,对于公称压力大于15.0Mpa的锻钢阀门采用压力自紧式密封结构,填料箱及闸板均采用整体锻造加工,
保证受压强度。
阀体外形简约,结构短小精致,工艺性能良好,适用范围广。操作阀体便捷轻松,无需额外操作降低压力,介质流向不受限制、不受干扰。
设计与制造:API600 API6D GB12234
法兰尺寸:ANSIB 16.5 JB/T79 GB9113
压力温度:ANSSIB 16.34
结构长度:ANSIB16.10 GB12221
对焊连接尺寸:ANSIB 16.25
检验与试验:API598 JB/T9092