自力式流量控制阀

利用UG软件建立自力式流量控制阀可变过流面的分布参数模型并利用数值方法求解，解决了可变过流面参数化方程的推导。

Develops a distributed parameter model with the UG soft and solves numerically , which helps to deduce the parameter equations for variable overflowing section .

自力式流量控制阀可变过流面的设计

Design of variable section of self-acting flow control valves

自力式流量控制阀的探讨

Discussion on Self-operated Flow Control Valve

实验结果显示自力式流量控制阀输出流量的控制精度能够达到±2%

Experimental results show the control accuracy of self-acting flow control valves could reach to ± 2 % .

每一个有效节能的供热系统都配有相应的调节控制设备，如自力式流量控制阀、压差控制阀等。

An effective and energy saving heating system needs many control devices , such as flow controllers and differential pressure controllers .

介绍自力式流量控制阀和自力式压差控制阀的结构与工作原理，分析其适用条件和与电动阀、平衡阀的配合使用问题。

Briefly introduces the construction and operating principles of the flow control valve and the pressure difference control valve . Analyzes and sums up their applicable conditions , in which it is concerned that regulating valve is coordinated and used together with electric motor valve or balancing valve .