hydraulically-operated deluge valve

Based on engineering examples the paper introduces some matters that need to be considered in the design of water spray fire extinguishing system,such as determination of design flow,selection and arrangement of spray head,arrangement of deluge valve block and laying of water spray pipeline,as well as operation and control of system and selection of water source and pumps,etc.

结合工程实例,介绍了水喷雾灭火系统设计过程中设计流量的确定、喷头的选择与布置、雨淋阀组的布置、水喷雾管道的敷设、系统操作与控制、水源水泵的选择等应该注意的问题。

pressure-loss operated deluge valve

压力损失动作的雨淋阀

Air system vaives world famous prodution. High efficiency and reliability.

先进的气阀，进气调整范围0-100%压力损失小，动作稳定，寿命长。

fresh andor rain water damage

淡水和雨淋损淡水和或雨淋损失

They are suitable in the hydraulic system with high pressure, high flow rate and low pressure drop.

该阀非常适合用于高压大流量，压力损失小的系统。

Pressure Restrictive Conditions of Sequential Hydranlic Circuitry Controlled by Stroke Valves

行程阀控制液压顺序动作回路的压力限制条件

Air valve size and airflow resistance losses of valves always speed and the size of the spring-loaded edge.

气阀阻力损失大小与气流的阀隙速度及弹簧力大小有关。

Fault Treatment and Analysis of Abnormal Action of Pressure Relief Device in 220kV Transformer

一起220kV变压器压力释放阀异常动作的缺陷处理及原因分析

Analysis on Flow Force of the Hydraulic Poppet Valve with the Moving Cone Based on CFD;

基于CFD的液压锥阀阀芯启闭过程的液动力分析

It can modify the control valve design.

并且判断阀件控制机构的形状与流道特性对流场型态与压力损失变化的关连。

Unique design features in the 1710 give improved flow measurement accuracy as well as a lower head loss characteristic compared to other valves.

与其它阀门相比，1710独特的结构特征能够改善流量的量测精度，减少压力损失。

Design and Research of Electric Water Valve Spool Based on Pressure Characteristic

基于压力特性的电动水阀阀芯设计研究

resistance head

阻力压头(用压头表示的阻力损失)

Statistical Analysis and Countermeasures of Under-voltage (No-voltage) Release Protection of Low Voltage Circuit Breakers

欠压(失压)脱扣保护动作负荷损失分析及对策

Comparison and Analysis on the Ports of Direct-actuated Relief Valves

直动式水压溢流阀阀口压力特性研究

Research on Novel Piezoelectric On-off Pressure-regulation Type Pneumatic Digital Proportional Pressure Valve

压电开关调压型气动数字比例压力阀的研究

Research on the Pneumatic Digital Valve Based on the Feedback;

基于电反馈的气动数字压力阀的研究

hydraulic relay valve diaphragm

水力继动阀膜，液压式继动阀隔膜

Analyses on pressure loss in hydraudic pressure system;

液压系统中液流压力损失的相关分析