Gold Member Since 2015
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Shanghai Jinghao International Trade Co., Ltd.

Cone Flowmeter, Flowmeter, Classic Venturi Tube manufacturer / supplier in China, offering Smart V Cone Flowmeter for Liquid&Gas with CE Approved (JH-VCFM), Wl Oil Electronic Flow Meter /Electronic Fuel Meter/Battery Flow Meter (JH-WLFM), Solids Level Switch; Split Ultrasonic Water Level Measuring; Sludge Level Measurement (JH-ULM-F) and so on.

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Supplier Homepage Product Flowmeter Others Flowmeter Smart V Cone Flowmeter for Liquid&Gas with CE Approved (JH-VCFM)

Smart V Cone Flowmeter for Liquid&Gas with CE Approved (JH-VCFM)

Purchase Qty.:
1-99 100+
FOB Unit Price: US $1,100 US $150
Purchase Qty. (Pieces) FOB Unit Price
1-99 US $1,100
100+ US $150
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Production Capacity: 3000PCS/M
Transport Package: Wooden Case
Payment Terms: T/T, Western Union, Paypal, Alipay

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Basic Info
  • Model NO.: JH-VCFM
  • Main Application: Water, Wastewater, Diesel Fuel, Fuel Oil, Nature Gas, Corrosive Liquid/Gas, Asphalt
  • Sensor: Tube/Flange
  • Type: Differential Pressure Flow Meter
  • Measuring Principle: Mechanics
  • Certification: CE, RoHS, ISO
  • Flow Range: 0.16-500 M3/H
  • Medium Temperature: -40-700c
  • Work Pressure: 16MPa
  • Trademark: JH
  • Origin: Shanghai
  • Accuracy: ±0.2-0.5%
  • Size: Dn25-3000
  • Application: Industrial Production
  • Measuring Media: Liquid, Gas, Steam
  • Measurement Object: Closed Pipeline
  • Body Material: Cast Iron /Cast Steel/Stainless Steel
  • Power Supply: 12VDC/24VDC
  • Output: Pulse/4-20mA/RS485
  • Protection Class: IP65
  • Specification: CE, ISO
  • HS Code: 9026100000
Product Description
                                                                         Cone flowmeter

V cone 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.  flowmeter has a better performance for its unique design structure.
V cone 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.

Working principle:
The V-type flowmeters is a differential pressure flowmeters, it get differential pressure to reflect flow rate through throttle. Throttling set is a cone a hanging in the pipeline central. High pressure the static pressure upstream pH (positive pressure) gets from the wall before the cone, low pressure(the pressure downstream) PL (negative pressure) gets from cone central, square root of the differential pressure DP is proportional to the flow.

Main technique parameter of LGVH flow sensor
Accuracy: ± 0.5% (DP transmitter accuracy should be ≥ 0.2)
(β : 0.45 ~ 0.85, when β < 0.55 and range turn down 4: 1, the accuracy is 0.30)
The repetibility: ± 0.1%
Working pressure: 16 MPa, the biggest pressure can up to 42MPa;
Working temperature: -40~700ºC
The environment temperature: -40-65ºC
Straight pipe installation requirements: Upstream 0~3D straight pipe, downstream 0~1D straight pipe.
Wide measure range: 10: 1(standard)
Small pressure loss: The same β Valve, the pressure loss only 1/3~1/5 of orifice plate.

Applicable medium:
V cone flow sensor is suitable for almost all the gas and liquid medium.

-Low installation requirement: 0 ~ 3D for upper stream and 0 ~ 1D for down stream
-Turndown ratio: 10:1
-Low pressure loss: pressure loss is just 1/3 ~1/5 of that of orifice plate for same β
-Abrasion resistance: vacuum will be produced after streamlined cone restriction, avoiding cone from wearing out
-No block, no adherence: due to the contour of the not allow for area of stagnation where debris, condensation or particles from the fluid could accumulate
-Excellent repeatability:  the  primary element exhibits excellent repeatability of + 0.1%
-Long term stability: β ratio with no change for long term provide high accuracy for long time
-Signal stability: signal fluctuation is 1/10 of that of orifice plate
-High accuracy: + 0.5%

Successful flow measurement of liquid types:
Gas: Coke oven gas, blast furnace gas, converter gas, mixed gas, etc;
Natural gas: Including natural gas which moisture content more than 5%;
Various hydrocarbon gas: Alkane and olefin gas, etc;
Various gas manufacturing: Hydrogen, helium, argon, oxygen, nitrogen, etc;
Corrosive gas: Wet chlorine gas, etc;
Air: Including wet and dust air, compressed air etc;
Flue-gas: Flue gas emissions from all kinds of boiler, heating furnace;

Steam: Saturated steam and superheat vapor;
Oil: Crude oil, fuel oil, aqueous emulsified oil, diesel oil and so on;
Water: Raw water, drinking water, production water, sewage etc;
Various water solution: Various acid, alkali, salt water solution etc.
Organic chemicals: Methanol, ethylene glycol, and xylene etc.

Special fluid:
Oil + HC gas +sand
Aerated water: H20 + N2 + air; H20 + CO2 etc.

V cone flow sensor model selection parameters
Fluid name
Pipe inner diameter (mm)
Type selection of V cone flow sensor
Flow unit ( Kg/h, t/h, m3/h, Nm3/h)
At working condition
At standard condition
Normal flow
Minimum flow, max flow;
At working condition
At standard condition ( tell us the flow condition when the medium is gases)
Working pressure (MPa)
Absolute pressure
Gauge pressure
Medium temperature (ºC): Maximum, minimum and normal temperature
Medium density (kg/m3)
At working condition
At standard condition ( tell us the flow condition when the medium is gases)
Medium viscosity (PA. S)
Relative humidity
Gas composition
Volume percentage ( for mixed gas which contains two or more types gas)

Technical parameters:
SizeDN25 ~ DN3000
Rated Pressure≤16MPa, Maximum ≤42MPa
Operating Temperature-40 ~ 700 o C
Ambient Temperature-40 ~ 65 o C
Installation Requirement0 ~ 3D for upperstream; 0~1D for downstream
Turndown Ratio10:1
MediumGas/ Liquid
Structure typeEmbeded  flow meter/ Braced  flow meter/ Inserted  flow meter
MaterialDifferent kinds of metal
Flange StandardAs required
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