压差控制阀

对ZY47型自力式压差控制阀和ZL47型流量控制阀进行了性能实验，并依据它们的结构特点和工作原理，提出了选型方法。

Performance experiments about ZY47 pressure-difference control valve and ZL47 flux control valve have been done , based on their structure and work principle , presented the method of type selection .

自力式流量平衡阀与自力式压差控制阀

The Self-balanced Flow Valve and the Self-operated Differential Pressure Valve

自力式自压差控制阀在暖通工程中的应用

Application of the self-operated owner pressure difference control valve in the heating and ventilation project

自力式压差控制阀使用的探讨

Application of Self-operated Differential Pressure Controlling Valve

一种新型压差控制阀的应用

Application of A New Pressure Controling Valve

同时，通过理论分析，指出了压差控制阀和流量控制阀的工程适用条件。

At the same time , pointed out the application condition in engineering via the theory analysis .

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 .

对自力式自身压差控制阀，结合工程实际，指出了这种阀门可能的应用场合及所能够解决的问题。

Combining the engineering fact , pointed out the situation and the problem that self pressure - difference control valve can be applied to or can solved .

由于分户热计量系统初调节与以往的初调节相比，拥有必要的控制设备&自力式压差控制阀、温控阀、变频水泵。

Since initial adjustment of household heating meter system possess necessary control equipments & self-operated differential pressure controlling valve , temperature control valve and the pump of frequency conversion .

平衡阀主要有：静态平衡阀、动态平衡阀、压差控制阀等系列空调水平衡系统。

And the balance valve which is used in the air conditioning water balanced system , includes static balance valve , dynamic balance valve , different pressure control valve ect .

为提高用户的水力稳定性，在立管热力入口处安装自力式压差控制阀，采用定压差控制。

In order to raise the hydraulic stability of the user , we fix self-operated differential pressure controlling valve at tube 's thermodynamic entrance to keep tube 's pressure difference stably .

本文首先分析了暖通空调水系统中普遍存在的问题，然后重点介绍了压差控制阀的结构特点、功能、主要类型，以及如何正确应用及其所带来的益处。

Analysis the normal problems in existing chilling water system at first , then emphasize on the structure , function , main types , features of differential pressure controller and how to correctly use it in real systems .

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 .

分别在室温和深冷环境下进行的流量实验表明，该压差控制节流阀调节流量的能力较强。

The flow tests under the room temperature and the cryogenic environment show the capability of the throttle valve controlled by pressure difference to adjust the flow rate is bigger than that of the capillary tube with constant flow area .

一种新型压差控制自适应节流膨胀阀

Auto-adjusted throttle expansion valve controlled by pressure difference

所以锻钢阀门要根据工作压差来选择水力控制阀的排水量。

Therefore , according Chemical pumps to the work of the hydraulic pressure control valve to select the displacement .

工作压差是指水力控制阀前的工作压力减去水力控制阀出口背压的差值。

Working pressure is the hydraulic pressure control valve before the working hydraulic control valve back pressure minus the difference .