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Xuzhou Ouke Instrument Co., Ltd.

V Type Flow Meter, High Quality Cone Flow Meter, Cone Flow Meter manufacturer / supplier in China, offering V - Type Flowmeter with LCD Display, High Quality Self Feed Bit for Drilling Wood, Diamond Hole Saw for Drilling Marble and so on.

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V - Type Flowmeter with LCD Display

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 100, 000piece/Pieces Per Month
Transport Package: Carton
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: VXCF
  • Size: DN50-100
  • Type: Fluid Oscillation Flow Meter
  • Measuring Principle: Mechanics
  • Power Supply: a-220V AC, D-24V DC, E-Battery Powered
  • Trademark: ouke
  • Accuracy: ±0.2-0.5%
  • Sensor: Tube/Flange
  • Measuring Media: Liquid
  • Accessory: Dp Transmitter, Valve
  • Output: 4-20mA
  • Origin: China
Product Description

V-type flowmeter is a new type of high-precision flowmeter that can accurately measure all kinds of Reynolds number. It can meet application condition of a variety of media that its operating principle should be the same as the principle of differential pressure of other types, both of which are based on conversation of energy theorem in sealed pipeline. V-type flowmeter has a better performance for its unique design structure.

V-type flowmeter hangs in the center of the pipeline a cone-shaped throttle piece, which impedes the flow of media, reshapes the flow curve, and immediately forms a meiobar in taper downstream pipeline. There is a pressure difference between the positive pressure in upstream pipeline and the throttled negative pressure in downstream pipeline. Extract the positive and negative pressure using extraction orifice with negative pressure orifice put in the upstream pipeline and the negative pressure orifice at the bottom of the cone. By measuring pressure difference, you can calculate the pipeline's flow based on Bernoulli equation. The cone is in the pipeline center so as to optimize media flow curve. Thus this flowmeter enjoys a higher accuracy with lower requirements for upstream and downstream ascending pipe.

Principle of work

V-type flowmeter is a differential press flowmeter. The application of flowmeter designed with the principle of differential pressure has a history of more than 100 years. The differential press flowmeter is based on conversation of energy theorem in sealed pipeline, in other words, for steady-going fluid, pipeline pressure is inversely proportional to the square root of the media flow velocity in pipeline: The pressure will decline with the increase of the flow velocity. When the media get close to the cone, the pressure is P1; When the media pass through the throttle, the speed will increase while the pressure will be reduced to P2. Shown in Figure 1, both P1 and P2 come to the rear differential pressure transmitter through the pressure port in V-type flowmeter, and the differential pressure value will accordingly increase or reduce when the flow velocity changes.
When the flow velocity keeps the same, the differential pressure value will be larger with a bigger throttling area. β Value= the throttling area of the cone/ the sectional area of the pipeline inner diameter (or the diameter ratio)


V-type flowmeter can measure gas phase, mixed gas phase, liquidoid, mixed liquidoid, gas-liquid phase (quality ratio of moisture and liquidoid is ≤ 5%), powder, dirty liquid with high viscosity, high velocity of flow and suspending solid particles, liquid vibration, electromagnetic interference and other media values under various working condition (temperature and pressure). The fluid condition ranges from profound hypothermia to super-critical condition. The highest working temperature and pressure respectively reach 850° C and 42.0MPa, which can be higher with special material. The Reynolds numbers it can measure range from 500 million to 8000 or even lower. In addition, it produces full-scale pressure difference signals from lower than 0.1KPa to the highest scores KPa.

Technical parameters
Accuracy  ± 0.5%
Repeatability  ± 0.1%
Rated Pressure  ≤ 16MPa, Maximum ≤ 42MPa
Operating Temperature  -40 ~ 700ºC
Ambient   Temparature  -40 ~ 65ºC
Installation Requirement  0 ~ 3D for upperstream 0~1D for downstream
Turndown Ratio  10: 1
Medium  Gas/ Liquid /Steam
Structure type  Embeded V Cone Flowmeter/ Braced V Cone Flowmeter/ Inserted V Cone Flowmeter
Material  Kinds of metal
Flange Standard  As required
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