应用工业气体安全关断，压力控制或压差控制系统应用。
Application Industrial gas system applications for safety shutoff, pressure control, or differential-pressure control.
对中央空调系统的三种控制方式：压差控制、温差控制、负荷控制进行分析。
Three control mode in central air conditioning, press different control, temperature different control and load control , are analyzed.
阀口压差的稳定是高精度液动测量的保证，因此深入研究了阀口压差控制技术。
Constant orifice differential pressure is the premise for high accuracy hydraulic measuring, so thorough analyse of orifice differential pressure control technology has been taken.
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.
对中央空调系统的三种变流量控制方式压差控制、温差控制、负荷控制进行分析。
Three variable volume control modes in central air-conditioning, press difference control, temperature difference control and load control are analyzed.
公司主要产品为电磁阀、热力膨胀阀、视液镜、干燥过滤器及压力、压差控制器。
Our main products include solenoid valve, thermostatic expansion valve, sight glasses, filter dryer, pressure controller, pressure difference controller , temperature controller.
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.
介绍了ZY 47型自力式压差控制阀的工作原理和选型方法，分析了不同被控环路系统的适用条件。
Introduces the working principle and the method of the selection about the type ZY47 Valve controlled by the pressure difference, and analyses its adaption condition.
该C437D，电子气体压力开关的压力驱动开关器件在工业气体安全关断，压力控制系统应用中，和压差控制。
The C437D, E Gas Pressure Switches are pressure-actuated switching devices used in industrial gas system applications for safety shutoff, pressure control, and differential-pressure control.
本文还摒弃末端压差控制的思想，提出一种综合考虑各方面的因素直接控制阀门开度使之适应负荷变化的控制方法。
This text still abandons the thought that control through the end pressure and put forward a new control method that can consider all factors of the system and direct control the valve.
主要产品是与冷冻机，冷却机，加热机，空气压缩机及空调器配套的各种不同系列的压力控制器，压差控制器，流量开关。
The main products are Freezer, Cooler, Heat-up Machine, Air-Compressor, Air-conditioning Epuipment and other Various complete series of Pressure Controls, Pressure Differential Controls, Flow Switch.
对ZY 47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.
针对稠油井测试工艺存在的问题，对稠油井测试工艺进行了改进和完善，认为用液氮可以控制压差。
To problems of testing in heavy oil Wells, the improvement and completion of testing technology have been conducted by hydraulic nitrogen to control pressure difference.
微气泡的大小和数量通过改变管内外的压差和管外剪切流速度来控制。
The diameter and the number density of microbubbles are controlled by changing the difference in pressure inside and outside of tube and the velocity of liqulid cross-flow outside of tube.
在国内首次选用美国霍尼韦尔双法兰差压变送器智能表测量油水界面，用计算机实现闭环控制，取得满意效果。
It is the first time in China that a dual flange differential pressure intelligent meter of us Honeywell Co. make has been used for the measurement of oil water interface.
正比于压差的信号（称为测量值）通过“压差变送器”被送至记录控制器。
A signal (termed the "measured value") which is proportional to the pressure difference is then transmitted by means of a "differential pressure transmitter" to the recorder-controller.
通过对闭锁离合器的滑摩控制系统的研究，建立了实现压差的液压控制回路。
Hydraulic control cycle is framed based on the study of slip control system.
监测系统：贮槽液位显示用压差式液位计或微机控制的数显液位计。
Monitoring System: Pressure difference level or computer controlled digital level is adopted to indicate tank level.
根据伺服机构的位置控制精度要求，导出了压差故障门限的估算公式，其结论便于工程应用。
According to the requirment of the position preasion. The fault detection threshold was derived the-orily. This design method can be easily applied to practical engineering.
湘西龙溪塘岩溶区，受NE向压性大断裂控制，岩溶发育具极不均匀性，断裂本身富水条件差。
The karst area of Longxitang in the western part of Hunan is controlled by ne extrusion rupture so the karst growth is very uneven, the rupture itself has poor condition for storing water.
节能控制仪是一数码并内置有压差器的脉冲阀控制仪，最多能控制到204个脉冲阀，而这也只要用两根管子与RPB先导阀盒组串连起来就可以达到。
The Ecoserial device is a digital economiser with differential pressure gauge able to pilot until 204 valves by connecting itself to a pneumatic driving module RPB with only two threads.
自清洗装置的启动是由压差感应器控制，当压差达到额定数值，自动清洗装置便自动启动，也可设定时间定期启动自动清洗装置。
The differential sensor operates the operation of the automatic cleaning when it has been it has been activated by clogging and periodically by the Settings on the timer.
使用压差开关一旦过滤器达到特定污染等级，可以传送读数至中央控制单元。
Using differential pressure switches, it is possible to, e. g. , transmit readings to a central control unit as soon as the filter has attained a specified degree of contamination.
磨机负荷试运行阶段，主要探索使系统稳定运行的系统风量、磨机压差、入磨气体压力等工艺参数的控制。
And commissioning follows no load debugging of every system as main reducer lubrication system, roller mill pressure station and roller lubrication system.
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.
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.
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