气动球阀Q641F_石油管线_球阀
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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 14:36:40 HTTP/1.1 GET : https://www.oulam.cn/product/ball_valve/003-003402.html
- 运行时间 : 0.470254s [ 吞吐率:2.13req/s ] 内存消耗:5,613.70kb 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=35d4a9464413a8a2e2a7304490761fde
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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。
气动球阀(英文名:Electronic Ball Valve)由气动执行机构和气动球阀组成。它是一种用于工业自动化过程控制的管道压力元件,通常用于管道介质的远程开/关控制。气动球阀标准GB/T21465-2008《阀门术语》定义为启闭件(球)由阀杆驱动,绕阀杆轴线旋转的阀门。主要用于切断或接通管道中的介质,也可用于调节和控制流体。其中,硬密封V形气动球阀的V形球芯与硬面硬质合金金属阀座之间具有很强的剪切力,特别适用于含有纤维、微小固体颗粒等介质。
气动球阀结构简单,仅由几个零件组成,节省数据消耗;体积小,重量轻,安装尺寸小,驱动扭矩小,调压阀,操作简单敏捷,只需旋转90°即可快速启闭;同时具有良好的流量调节效果和密封特性。在大中口径、中低压的应用范畴中,电动球阀是占主导地位的阀门情况。电动球阀在全开时,蝶板的厚度是介质流经阀体的阻力,所以通过阀门的压降很小,因此具有良好的流量控制特性。电动球阀有两种类型:弹性密封和金属密封。
根据用户的需要,可设计成适用于含固体颗粒、料浆等介质的结构或耐较高温度的结构。球体的加工精度非常精密,操作轻便,无不良干涉。阀座采用PTFE+25%玻纤或PEEK。 PTFE+25%玻纤在高压下能获得比PTFE更好的性能,而且还能减少酸性介质腐蚀,通常在800磅级 的压力下采用;另外可以根据客户要求定做进口PEEK材质,以适应高温,高压工况下的高密封工 作性能。具有防阀杆吹出结构。
与同类行业的同种规格产品相比,占地空间少,而且外型美观。在保证阀门正常操作、使用情况下,使用寿命在15年以上。
气动球阀是所有阀类中流体阻力最小的一种,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,操作方便快捷。球芯通道平整光滑,不易沉积介质,可以进行管线式通球。
一、设计制造API 602、BS5352、ANSI B16.34;
二、连接端尺寸①承插口尺寸按ANSI B 16.11;JB/T1751②螺纹端尺寸按ANSI B1.20.1;JB/T7306 ③对焊端尺寸按ANSI B 16.25;JB/T12224④法兰端尺寸按ANSI B 16.5;JB79
3、阀门检查和试验 API 598;GB/T13927;JB/T9092
4、结构特征 螺栓连接阀盖(B.B)和明杆支架(OS&Y) 或焊接阀盖(W.B)和明杆支架(OS&Y)
5、材料按ANIS/ASTM的规定
6、主体材料 A105;LF2;F11;F22;304(L);316(L); F347;F321;F51;Monel;20合金等。