HGVF Vortex Flow Meter

Application: used for volumetric flow measurement of gas or liquid and mass flow measurement of steam
Advantages: fast delivery, fair price, sample acceptable, OEM acceptable

Product Description

Technical data
    • Can serve Liquid or Gas fluid, usually be used to measure flow of steam, Vapor, Air and Natural gas.
    • Meter size: In-line type: DN25 – DN300
    • Wetted material option: SS304, SS316
    • Operation temperature≤250℃
    • Process connection: Wafer / Flange / Tri-clamp for In-line type
    • Range ability: 10 : 1
    • Measuring accuracy: 1.0 % – 1.5% of calibration range
    • Digital indicator: display instant flow, total flow
    • Power supply: 24VDC, Output: 4-20mA
    • Communication option: RS485,  HART
    • Temperature and Pressure compensation ( optional )
    • Electrical connection: M20*1.5,  Ex-protection: Exd IICT6
Principle

Vortex flow meter is a kind of speed type flow meter, which is based on karman vortex principle. The vortex frequency “f” is proportional to flow velocity “v”, so by measuring the Karman vortex frequency, the instantaneous flow rate can be calculated.

 

Flow range reference table
DN Flow range (m3/h)  for In-line type Accuracy
Liquid Gas Steam
25 1 – 12 8.8 – 124 7 – 124

1.5%

32 2.0 – 20 15 – 200 12 – 200
40 2 – 36 23 – 300 18 – 300
50 5 – 56 35 – 450 28 – 450
65 8.2 – 96 62 – 820 50 – 820
80 12.5 – 145 92 – 1200 75 – 1200
100 20 – 224 142 – 1950 120 – 1950
125 30 – 352 220 – 3000 175 – 3000
150 44 – 512 320 – 4400 260 – 4400
200 79 – 920 565 – 7800 440 – 7800
250 140 – 1200 850 – 12400 720 – 12400
300 175 – 2020 1250 – 17500 1020 – 17500

 

Application on dryer system

vortex application

 

 

 

FAQ

Answer : Please send your question or enquiry to our email: sales@hginstrument.com, we will forward the questions to the related engineer.

Answer :  Please communicate with the sales about the return procedure before returning product.

Answer :  The delivery time depends on the order quantity and product specification.  If the product’s specification is conventional ( not special ),  delivery time is 5 or 7 working days for order quantity ≤ 10 pieces;  delivery time is 2 or 3 working weeks for order quantity 15 ~ 30 pieces. 

Answer :  by Courier,  by Sea or by Air

Answer :  Yes,  Generally warranty is one year.

Answer :  From year 2015  to year 2021,  average annual sales is RMB 350 million ( about USD 54.7 million )

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