有效行程区是调节阀流量调节特性所研究的区域。
The effective movement region is the research region of the flow adjusting characteristics of regulator.
针对调节阀的流量特性、压降、闪蒸、气蚀及噪音等问题介绍了调节阀在选型和应用中的要点。
This paper introduced control valve selection and its application based on the theory of flow characteristic, pressure drop, flashing, cavitation and noise.
调节阀是输油管道控制系统的重要组成部分，其流量特性对控制质量影响很大。
The regulating valve is a very important component in the control system of oil pipeline , and its flow property will affect the control level.
本文就气动薄膜调节阀类型、作用方式、流量特性和口径大小的选择，结合化工生产的特点作了较详细地阐述。
According to characteristics of chemical industry process of production, this paper details the pneumatic diaphragm valve, s choice on type, acting mode, specific property of flow and diameter size.
根据调节阀阻力特性和流量特性的定义，建立了二者之间的数值关系方程。
The numerical equation about regulating valves resistance and discharge characteristics is established according to their relation.
正确选取调节阀规格型号，必须充分了解调节阀门的流量特性及其实际运用中的畸变。
For the correct selection of hoes of regulating valves, we must fully understand the flow characteristics of the valve and deformity in practical applications.
调节阀中不同阀芯型线可得到不同的流量特性。
The different flow characteristics could be derived from the different molded lines of the valve clack.
对于调节阀，由于管道阻力等因素的存在，阀门总是存在流量特性畸变。
Thanks to there always exist the factors such as the pipeline resistance and so on, the flux characteristic of valve will become aberrance.
针对农用泵(运行工况多变且出口无流量调节阀)的特点和低比转速离心泵的轴功率在大流量区运行易过载的特性，提出了无过载离心泵的概念。
Based the brake horsepower characteristics of low specific speed centrifugal pump and the required features of pumps used for agriculture, the concept of non - overload centrifugal pumps is conceived.
针对农用泵(运行工况多变且出口无流量调节阀)的特点和低比转速离心泵的轴功率在大流量区运行易过载的特性，提出了无过载离心泵的概念。
Based the brake horsepower characteristics of low specific speed centrifugal pump and the required features of pumps used for agriculture, the concept of non - overload centrifugal pumps is conceived.
应用推荐