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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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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