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- 请求信息 : 2022-08-15 09:16:26 HTTP/1.1 GET : http://www.oulam.cn/product/ball_valve/003-006364.html
- 运行时间 : 0.517177s [ 吞吐率:1.93req/s ] 内存消耗:5,780.27kb 文件加载:242
- 查询信息 : 232 queries
- 缓存信息 : 0 reads,1 writes
- 会话信息 : SESSION_ID=922b63b1b73757cdbb4c6cdfb5cd36b1
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0.533635s
石油管线是由油管及其附件所组成,并按照工艺流程的需要,配备相应的油泵机组,设计安装成一个完整的管道系统,用于完成油料接卸及输转任务。输油管道主要包括等温输送、加热输送和顺序输送。管道的腐蚀及其预防是管道维护的重要环节之一。欧拉姆生产的锻钢球阀在石油管线中可以有效的完成运输过程, 并且耐腐蚀寿命长。
锻钢球阀的工作原理是转动阀杆来开启或关闭阀门。通常是全通径球阀和90度角开关,重量轻,体积小,可以做成大直径,密封可靠,结构简单,维修方便。密封面和球面经常处于封闭状态,不易被介质侵蚀,因此广泛应用于各种行业。锻钢球阀分类:低压锻钢球阀,高压锻钢球阀。特殊的密封结构除了阀座的一般密封外,还能在密封圈损坏泄漏时起到应急救援的作用。
整个阀门沿阀杆中心轴线左右对称,主要用于切断、分配和改变管道中介质的流向。其大支点结构保证了高压下精确的球心位置,保证了阀门良好的操作性能;标准阀座采用弹簧结构,将阀座推向球体,保证了进出口良好的双向密封性能;自带排放阀,阀体中间空腔可向外排放;采用枢轴防吹保护结构,有效防止泄漏;低摩擦系数的轴承将扭矩降到最低,方便阀门的开启和关闭;阀杆和阀体之间的有效接触使得防静电接地装置的性能更加优越。它具有性能优良、可靠性高、应用广泛、价格合理等优点。
锻钢球阀流体阻力小,是所有阀类中流体阻力最小的一种,启闭迅速方便,以压缩空气为动力,通过活塞齿条,齿轮的机械传动阀杆,以角行程输出的扭矩转动球体 0~90°,就能快速完成启闭动作或调节动作。球芯通道平整光滑,不易沉积介质,可以进行管线式通球。结构简单、重量轻、密封性能好。是自动化控制系统中仪表的执行单元。
紧密可靠,锻钢球阀的密封面材料广泛使用塑料、密封性好,在真空系统中也已广泛使用。在全开或全闭时,球体和阀座的密封面与介质隔离,介质通过时,不会引起阀门密封面的侵蚀。在全开或全闭时,球体和阀座的密封面与介质隔离,介质通过时,不会引起阀门密封面的侵蚀。
工作温度为+ 120°C至-196°C。锻钢球阀广泛用于极低温和低温应用,包括但不限于液化天然气,工业气体,精神和钢铁服务,采矿,制药,污水,水处理,二氧化碳注入/混合,冷却和石油/天然气应用。
二、连接端尺寸:①承插口尺寸按:ANSI B16.11;JB/T1751 ②)螺纹端尺寸按:ANSI B1.20.1;JB/T7306 ③对焊端尺寸按:ANSI B16.25;JB/T12224 ④)法兰端尺寸按:ANSI B16.5;JB79
三、阀门检查和试验: API 598;GB/T13927;JB/T9092
四、结构特征: 螺纹连接阀盖;两段式
五、材料按:ANSI/ASTM规定。
六、主体材料: A105;LF2;304(L);316(L);F347; F321;F51;Monel;20合金等