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高压截止阀PJ561Y_电站系统_截止阀
★★★★★(2885)
电商一组(组长)
电商二组(组长)
电商四组(组长)
产品介绍
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联系方式
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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SQL
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- 请求信息 : 2022-12-20 22:02:24 HTTP/1.1 GET : http://www.quizzzle.com/product/globe_valve/002-004160.html
- 运行时间 : 0.487021s [ 吞吐率：2.05req/s ] 内存消耗：5,792.84kb 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=31a1bfbac972a8c8f1b25a4cc58656a8
- CONNECT:[ UseTime:0.000592s ] mysql:host=127.0.0.1;port=3307;dbname=www_oulam_cn;charset=utf8mb4
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0.511072s
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电站系统是将某种形式的原始能量转化为电能用于设施或运输的动力，如火力发电厂、水力发电厂、蒸汽发电厂、柴油发电厂或核电厂。欧拉姆阀门专门设计的高压截止阀可用于行业内的主蒸汽管道、热再热蒸汽管道、高压给水管道等。耐高温耐高压，为顾客提供安全放心无忧的服务，批量优惠，现货快速发货。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。
高压截止阀属于强制密封式阀门，所以在高压截止阀关闭时，必须向阀瓣施加压力，以强制密封面不泄漏。当介质由阀瓣下方进入阀内时，操作力所需要克服的阻力，是阀杆和填料的磨擦力与由介质的压力所产生的推力，关高压截止阀的力比开高压截止阀的力大，所以阀杆的直径要大，否则会发生阀杆顶弯的故障。近年来，从自密封的高压截止阀出现后，高压截止阀的介质流向就改由阀瓣上方进入阀腔，这时在介质压力作用下，关高压截止阀的力小，而开高压截止阀的力大，阀杆的直径可以相应地减少。
通过旋转截止阀的手轮，阀杆上升和下降带动阀瓣做平行于介质流向的直线位移，达到开启和关闭的目的。当手轮顺时针旋转时，工作介质通过阀瓣下面的通道进入。此时，施加的密封力必须等于或大于密封面上产生的所需比压和介质向上的力之和。截止阀分为直通式、直角式和直通式斜向截止阀三大类。
相较闸阀建构更为简单，制造与维修更为方便。密封面不易磨损、擦伤，专业研磨六级密封，启闭时阀瓣与阀体密封面之间无相对滑动，密封面间磨擦力小，使用寿命较长。
阀杆轴线与阀座密封面垂直，阀杆启闭操作时行程相对较短，并具有很好的切断动作，因此截止阀十分适合应用于介质的切断或调节及节流。
阀瓣于阀体密封面间的摩擦力比闸阀小，开启高度一般仅为阀座通道直径的1/4，因此比闸阀小的多。密封面不易磨损、擦伤，介质的压力起伏波动对密封性能无影响。
设计与制造：ANSI B16.34 E101
结构长度：ANSI B16.10 E101 GB/T1588.
1 压力温度等级：ANSI B16.34 E101
试验与检验：API598 E101 JB/T9092
法兰标准 GB、HG、JB