The metering of natural gas still presently depends on orifice flowmeter, one of differential pressure flowmeters.

Study on the flowmeter with orifice mounted inside

内藏孔板流量计的研究

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Problems and Measures in the Measurement of the Orifice-plate Flowmeter

孔板流量计计量存在的问题及措施

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The Effect of Pulsating Flow in Natural Gas on Measurement Precision of Orifice Meter

天然气脉动流对孔板流量计测量精度的影响

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Discussion on Improving Measuring Accuracy and Range of Orifice Flowmeter

孔板流量计提高测量精度及范围度的探讨

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Study of influence on orifice flowmeters in pulsatile flow conditions

用孔板流量计测量脉动气流

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Orifice flow meters still occupy the leading position in gas measurement now.

目前孔板流量计仍然在天然气计量中占主导地位。

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Factors Affecting the Precision of Gas Orifice Plate Flowmeter& Remedial Measures

影响煤气孔板流量计精确度的因素及对策

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Optical choice of automatic measuring modes for orifice flow meters

孔板流量计自动计量模式的最佳选择

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Various characteristics and specifications of inner flowmeter are described in detail.

重点介绍了内锥流量计的各项特性与技术指标，并与标准孔板流量计作了比对，说明内锥流量计优于标准孔板。

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Bellows-type gas or orifice meter

伸缩式气体孔板流量计

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Calculation of Incompressible Fluids through Orifice Meter in Half Theory Expression of Permanent Head Losses

计算不可压缩流体流径孔板流量计永久压强降的半理论公式

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Error source and control measures of pressure differential orifice meter

差压式孔板流量计的误差来源与控制对策

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The Orifice Flowmeter Calculation System of Software Design and Implementation

孔板流量计计算系统软件的设计及实现

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The design element and the experiment result of reversible orifices and changing orifices low velocity flow is high.

分析了可逆式孔板流量计和可变式孔板流量计的设计原理和实验结果。

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A method of raising the Precision for standard hole-board flowmeter

一种提高标准孔板流量计计量精度的方法

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How to Improve the Measuring Accuracy of Orifice Flowmeter

如何提高孔板流量计的计量精度

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At present it was widely applied to measure the flux of gas, liquid and steam.

孔板流量计常用于工业生产测量气体、液体和蒸汽流量。

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Reversible Orifice Flowmeter and Changing Orifice Flowmeter

可逆式孔板流量计和可变式孔板流量计

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Comparison between the Ultrasonic Flowmeter and the Orifice-Plate Flowmeter

超声波流量计与孔板流量计的比较

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A Method of Expanding the Measuring Range of Orifice Flowmeter

孔板流量计扩大范围度的一种方法

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