平衡阀的原理

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原文：
平衡阀的原理平衡阀是一种特殊功能的阀门，它具有良好的流量特性，有阀门开启度指示，开度锁定装置及用于流量测定的测压小阀。利用专用智能仪表，输入阀门型号和开度值，根据测得的压差信号就可直接显示出流经该平衡阀的流量值，只要在各支路及用户入口装上适当规格的平衡阀，并用专用智能仪表进行一次性调试，就可使各用户的流量达到设定值。　　平衡阀是在水力工况下，起到动态、静态平衡调节的阀门。如：静态平衡阀，动态平衡阀。静态平衡阀亦称平衡阀、手动平衡阀、数字锁定平衡阀、双位调节阀等，它是通过改变阀芯与阀座的间隙（开度），来改变流经阀门的流动阻力以达到调节流量的目的，其作用对象是系统的阻力，能够将新的水量按照设计计算的比例平衡分配，各支路同时按比例增减，仍然满足当前气候需要下的部份负荷的流量需求，起到热平衡的作用。动态平衡阀分为动态流量平衡阀，动态压差平衡阀，自力式自身压差控制阀等.平衡阀属于调节阀范畴，它的工作原理是通过改变阀芯与阀座的间隙（即开度），改变流体流经阀门的流通阻力，达到调节流量的目的。平衡阀相当于一个局部阻力可以改变的节流元件，对不可压缩流体，由流量方程式可得。

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译文：
Balancing valve principle The balancing valve is a special feature of the valve, it has good flow characteristics of the valve opening instructions, opening the locking device and manometry small valve for flow determination. Dedicated intelligent instruments, enter the model of the valve and the opening value, according to the measured differential pressure signal can be displayed directly flows through the balance valve flow value, as long as each branch and the user entrance fitted with the appropriate specification of the balance valve and intelligent instrument-specific one-time debugging, you can make each user's traffic reaches the set value. The balancing valve in the hydraulic conditions, play a dynamic and static balance valve. Such as: static balance valve, dynamic balancing valve. Static balance valve, also known as balancing valve, manual balancing valve, digital lock balance valve, double regulating valve, which is changed by changing the valve core and valve seat gap (opening), the resistance to flow through the valve in order to achieve purpose of regulating traffic, and its role is the resistance of the system, a new equilibrium distribution of water in accordance with the design and calculation of the proportion of each branch, while a sliding scale, and still meet the flow requirements of the part of the load current climate needs, from to the role of thermal equilibrium. Dynamic balancing valve is divided into dynamic flow balance valve, dynamic pressure balance valve, self-operated pressure control valve, balancing valve belongs to the scope of control valve, it works by changing the gap of the valve core and valve seat (ie, opening ), changing the flow resistance of the fluid flowing through the valve to achieve the purpose of regulating traffic. The balancing valve throttling element is equivalent to a local resistance can be changed, incompressible fluid, the flow equations available.

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原文来源：http://www.1gemofa.com/

2012-02-03 06:36