Experimemtal result shows that the metering valve has small weight and low resistant moment , and can meet the required flow characteristic.

试验结果表明： 燃油计量阀门阻力矩小、重量轻， 流量特性基本满足设计要求；

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The single well flow metering unit, which is made up of oil meter, recorder, accessories such as pipe and valve and so on, was developed for the oil measurement of single well in series oil Wells.

单井流量计量装置是为解决串联油井的单井量油而研究的，该装置由量油器、记录仪表及管阀附件等组成。

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This paper introduces the revolution control principle of powdered coal metering valve for MAERZ vertical kiln and its program flow chart.

本文介绍了迈尔兹竖窑煤粉计量阀转速的控制原理，并给出了其程序流程图。

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