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球阀的工作原理及作用优点

发布时间:2017-06-07 10:03:08 分类:行业新闻 来源: 点击:次

球阀的工作原理及作用优点 球阀的工作原理及作用优点   球阀的工作原理 球阀的作用和优点※球阀工作原理:  球阀设计为阀芯90度旋转,由圆形通孔或通道通过其轴线。球阀在流体管路中是做切断、截止、及改变流体的活动方向,球阀只要旋转90度的动作就可以转动力矩到达密封周密的效果。最近几年来球阀发展已从切断、截止转变成节流和控制流量作为用处。  ※球阀发展未来:  在工业发达的国家中,球阀是使用非常广泛的品种,目前该类阀门还在向高温、压力、口经、密封性能、使用寿命、调理性能等方向扩大,主要是球阀的可靠性指标同比其它阀门的水平要高,有部份已取代闸阀、截止阀、节流阀等。较为多的是在石油天然气管线上、炼油裂解装置上、核工业上利用更明显。随着经济的发展在大中型口径、中低压领域中,球阀也将是被利用的主导产品。  ※球阀的作用和优点:  ㈠、球阀结构简单、流体阻力小,全通径的球阀流

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钢绞线松弛实验机 透气度实验机 环块磨擦实验机 球阀的工作原理及作用优点