高压截止阀J41H_袋式除尘器_截止阀
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- 请求信息 : 2023-03-31 13:30:36 HTTP/1.1 GET : https://www.oulam.cn/product/globe_valve/002-000347.html
- 运行时间 : 0.490061s [ 吞吐率:2.04req/s ] 内存消耗:5,621.35kb 文件加载:241
- 查询信息 : 240 queries
- 缓存信息 : 0 reads,1 writes
- 会话信息 : SESSION_ID=36f1de820e3ca5c8c9368e326a6ed610
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袋式除尘器是一种高效干式除尘器。它是由纤维过滤材料制成的滤袋,更重要的是通过滤袋表面形成的粉尘层来净化气体。对于一般工业中几乎所有的粉尘,除尘效率都能达到99%以上。袋式除尘器的滤尘机理包括屏蔽、惯性碰撞、拦截、扩散、静电和重力。筛选是袋式除尘器的主要滤尘机制之一。当灰尘的颗粒尺寸大于过滤材料中纤维之间的孔隙或沉积在过滤材料上的灰尘之间的孔隙时,灰尘被过滤掉。欧拉姆生产的高压截止阀完美适配各式袋式除尘器并提供完善的解决方案。
高压截止阀的启闭部件为塞形阀瓣,密封面为平面或圆锥形,阀瓣沿流体中心线直线运动。高压截止阀阀杆的运动形式有升降杆式(阀杆上下运动,手轮不上下运动)和升降旋转杆式(手轮随阀杆上下旋转,螺母套在阀体上)。高压截止阀只适用于全开和全关,不允许调节和节流。
高压截止阀的启闭部件为塞形阀瓣,密封面为平面或圆锥形,阀瓣沿流体中心线直线运动。阀杆的运动形式有升降杆式(阀杆上下运动,手轮不上下运动)和升降旋转杆式(手轮随阀杆上下旋转,螺母套在阀体上)。截止阀只适用于全开和全关,不允许调节和节流。
结构比闸阀简单,制造与维修都较方便。密封面不易磨损及擦伤,密封性好,启闭时阀瓣与阀体密封面之间无相对滑动,因而磨损与擦伤均不严重,密封性能好,使用寿命长。
截止阀的阀杆轴线与阀座密封面垂直。阀杆开启或关闭行程相对较短,并具有很好的切断动作,使得这种阀门十分适合作为介质的切断或调节及节流使用。
阀瓣对焊硬质合金耐冲刷能力强。压力自密封设计,介质的压力起伏波动对密封性 能无影响。
1、设计制造按BS5352、MSS SP-118;
2、承插口尺寸按ANSI B16.11;JB/T1751
3、螺纹端尺寸按ANSI B1.20.1;JB/T7306
4、对焊端尺寸按ANSI B16.25;JB/T12224
5、法兰端尺寸按 ANSI B16.5;JB79
6、阀门检查和试验API 598; GB/T13927; JB/T9092
结构特征 螺栓连接阀盖(B.B)和明杆支架(OS & Y) 焊接阀盖(W.B)和明杆支架(OS & Y)