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Kaifeng Instrument Differential Pressure Flow meter (V-cone)
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Kaifeng Instrument Differential Pressure Flow meter (V-cone)

V-cone flowmeter is the new type differential pressure flow measurement device with one coaxial sharp cone installed in the measuring tube as throttling part, it is the new type throttling device based on Venturi tube measuring principle with the comb…

Product Overviews

KY V-cone (differential pressure) flow meter is very versatile for many applications. It can cope with a wide range of flowing mediums from Gas, water, Chemical, Crude, Slurry and even high temperature Steam applications. V-cone flowmeter is the new type differential pressure flow measurement device with one coaxial sharp cone installed in the measuring tube as throttling part, it is the new type throttling device based on Venturi tube measuring principle with the combined advantages of classic Venturi tube, annular orifice and wear resistant orifice. 

Features And Functions


● Short straight pipe section at upper and lower reaches: the length of upper reach straight pipe section is 0D- 3D, (3D if it is installed at the lower reach of the valve), length of the lower reach straight pipe section is 0D- 1D

● Precision: ±1.0%, ±1.5%, ±0.5% (after real flow calibration); repeatability is 0.1%; measurement range ratio reaches 15: 1

● Resistant o dirt, low pressure loss

● With flowing adjustment and liquid mixing function

● Convenient installation, it is the ideal flowmeter for technical reconstruction;

● Free of maintenance or low maintenance work load

Technical Parameters

Throttling diameter ratio: β: 0.45- 0.85

Inside nominal diameter (mm): DN: 15- 1800mm

Nominal pressure (MPa): PN: 0.25- 20MPa

Reynolds number range ReD: 5×3- 1×7

Industry Applications


Throttling device is very useful when considering erosion and pressure recovery restraints.It can cope with a wide range of mediums from Gas, water, Chemical, Crude, Slurry to even high temperature Steam, and can be used for many apllications, such as irigation systems, metallurgy, power stations, chemical industry, municipal water suply project, etc. 

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