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低温不锈钢球阀DQ41F_冷冻机组_球阀
★★★★★(4972)
电商一组(组长)
电商二组(组长)
电商四组(组长)
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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 : 2022-12-20 22:12:38 HTTP/1.1 GET : http://www.quizzzle.com/product/ball_valve/003-006370.html
- 运行时间 : 0.457364s [ 吞吐率：2.19req/s ] 内存消耗：5,780.41kb 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=532df0bc39f51dd3ffa6a6adf079cfd7
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冷冻机组都是由压缩机、冷凝器、蒸发器、干燥过滤器、膨胀节流阀这五大部分串联而成，里面冲注适量冷媒由电器根据环境的需求而控制压缩机运转而达到制冷传热的目的。低温不锈钢球阀分为低温浮动不锈钢球阀和低温固定不锈钢球阀两类,用于截断或接通管路中的低温介质,介质低温不得低于-196度。适用于低温液体贮运设备的管理系统，具有开关灵活、密封可靠的特点，也可用于其他低温和深冷介质的管理系统。欧拉姆阀门一对一针对设计，防止误操作结构，双向硬质合金密封，让顾客使用安装更简单，安全放心无忧。
低温不锈钢球阀只需要用旋转90度的操作和很小的转动力矩就能关闭严密。完全平等的阀体内腔为介质提供了阻力很小、直通的流道。低温不锈钢球阀的主要特点是本身结构紧凑，易于操作和维修，低温不锈钢球阀可用于控制空气、水、蒸汽、各种腐蚀性介质、泥浆、油品、液态金属和放射性介质等各种类型流体的流动。低温不锈钢球阀阀体可以是整体的，也可以是组合式的。 低温不锈钢球阀在管道中一般应当水平安装。
低温不锈钢球阀主要是安装与于（零下-40℃~196℃）的低温液体介质管道上。用来做为介质流体的开关和调节。是由低温不锈钢球阀（二段式、三段式），以及加长杆，螺栓密封填料组成。结构形式上可分为（浮动式和固定式）。低温不锈钢球阀和各个与介质接触部位零部件均采用低温处理。特别适用于LNG（液化天然气）LO2（液态氧气）LN2（液氮）（燃料）LPG（液化石油）液氩、二氧化碳低乙烯的低温介质。
低温不锈钢球阀是以旋转（0~90°）来完成他的开关调节。当阀杆顶部配置的（手轮或电气动执行器）驱动阀杆带动球心旋转，球心内孔通径和流道呈直通式介质流通为全开。也可根据使用所需流量值要求将低温不锈钢球阀的球心旋转（0~90°）任意角度的开度来对介质流体进行有效的调节 。
低温不锈钢球阀流体阻力小，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。低温不锈钢球阀结构简单、重量轻、密封性能好。是自动化控制系统中仪表的执行单元。
低温不锈钢球阀紧密可靠，低温不锈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。
低温不锈钢球阀的工作温度为+ 120°C至-196°C。低温不锈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