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；
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。
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。
The adapter is non-removably coupled to the fill valve and is configured with a larger proximal pathway, and a smaller distal metering pathway for restricting the refill flow rate.
所述管接 头以不可移除的方式耦合到所述进水阀，且配置有较大的近端通路和用于限制补水流速的较小的远端计量通路。
All Stenner metering pumps have a 3-point roller design in the pump head, which ACTS as a check valve to prevent back flow, siphoning, overdosing and loss of prime.
泵头有3点滚筒设计，设备可作为止回阀阻止回流，虹吸，过量用药和避免大量的材料损失等。
All Stenner metering pumps have a 3-point roller design in the pump head, which ACTS as a check valve to prevent back flow, siphoning, overdosing and loss of prime.
泵头有3点滚筒设计，设备可作为止回阀阻止回流，虹吸，过量用药和避免大量的材料损失等。
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