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Vortex flowmeter is a new type of flowmeter with international advanced level successfully developed based on the principle of Karman vortex flow. It is suitable for measuring superheated steam, saturated steam, general gas, liquid, |
Simple structure, no moving wear parts, High measurement accuracy, strong reliability, no need for on-site debugging, |
High measurement accuracy, strong reliability, no need for on-site debugging, It can transmit flow signals over long distances, and can be networked with computers to achieve centralized management, universal for gas and liquid, |
Nominal diameter (mm) | Flange type: DN15-DN300 Insert type: above DN300 |
Temperature range: | Normal temperature type: -40-250℃ High temperature type: -40-350℃ |
Pressure range: | Dn25-DN200 4.0(>4.0agreement supply)DN250-DN300 1.6(>1.6agreement supply) |
Body material | 304SS ,316L(Optional) |
Accuracy | Flange connection type: Liquid: 1.0% FS ;Gas: 1.5%FSInsert type: liquid: 2.0% FS ;Gas: 2.5%FS |
Power supply: | 24V DC or battery power supply |
Output : | pulse; 4-20MA; RS485, MODBUS protocol, HART |
Protection level: | IP65 |
1. Simple structure, and no moving wear parts. |
2. High measuring precision, and high reliable, no need on-site commissioning |
3. It can transport flow signal from long-distance, networking with computers, and realize centralized management. |
4. The amplification board use unique design, and this flow meter can used to measure gas and liquid. |




Diameter (mm) | Liquid flow range (m3/h) | Gas flow range (m3/h) | Connection mode | Max pressure (MPa) |
DN15 | 1.2~6.2 | 5~25 | Flange clamping/Flange connection | 2.5/1.6 |
DN20 | 1.5~10 | 8~50 | Flange clamping/Flange connection | 2.5/1.6 |
DN25 | 1.6~16 | 10~70 | Flange clamping/Flange connection | 2.5/1.6 |
DN32 | 1.9~19 | 15~150 | Flange clamping/Flange connection | 2.5/1.6 |
DN40 | 2.5~26 | 22~220 | Flange clamping/Flange connection | 2.5/1.6 |
DN50 | 3.5~38 | 36~320 | Flange clamping/Flange connection | 2.5/1.6 |
DN65 | 6.2~65 | 50~480 | Flange clamping/Flange connection | 2.5/1.6 |
DN80 | 10~100 | 70~640 | Flange clamping/Flange connection | 2.5/1.6 |
DN100 | 15~150 | 130~1100 | Flange clamping/Flange connection | 2.5/1.6 |
DN125 | 25~250 | 200~1700 | Flange clamping/Flange connection | 2.5/1.6 |
DN150 | 36~380 | 280~2240 | Flange clamping/Flange connection | 2.5/1.6 |
DN200 | 62~650 | 580~4960 | Flange clamping/Flange connection | 2.5/1.6 |
DN250 | 140~1400 | 970~8000 | Flange clamping/Flange connection | 2.5/1.6 |
DN300 | 200~2000 | 1380~11000 | Flange clamping/Flange connection | 2.5/1.6 |
Product Name | Vortex flow meter |
Nominal diameter | DN15-DN300,DN150~DN2000 can use the insertion vortex flowmeter, and the big caliber is more suitable for insertion type. |
Scope of application | Gases (air, oxygen, nitrogen, gas, natural gas, chemical gas, etc.), liquids (water, high temperature water, oil, food liquid, chemical liquid, etc.), steam (saturated steam, superheated steam) |
Medium temperature | -40°C~250°C,-40°C~350°C,-40°C~400°C |
Nominal pressure | ≤1.6MPa ≤2.5MPa ≤4MPa Special pressure can be customized |
Accuracy level | Liquid 0.5% Gas, steam 1.5% insertion type 2.5% |
Medium velocity range | Liquid:0.6~6m/s,Gas:5~60m/s,steam:5~70m/s. |
Output Signal | Voltage pulse,4-20mA Current output,HART Agreement,RS485. |
Converter power supply | Voltage pulse output:+12VDC, 4~20mA Current output:+24VDC; Live LCD display:3.6V1 No. 1 lithium battery power supply, the service life is more than 2 years |
Ambient temperature | Voltage pulse output:-30°C~+65°C, 4~20mA Current output:-10°C~+55°C; Live LCD display:-25°C~+55°C |
Body material | 1Cr 18Ni 9Ti (Other materials according agreement to supply) |







1. Q: Are you a manufacturer or a trading company? A: We are a leading manufacturer of various instruments. Welcome to visit our factory at any time. | ||||||||
2. Q:Could I get samples? A:Yes,we have materials in stock to help you to get the samples as soon as we can. | ||||||||
3. Q:How is the price? A:As we believe the quality is the most important,we will provide the best quality pressure sensor we can with reasonable price. | ||||||||
4. Q:Can I have my own logo of the products? A:Of course.We provide OEM services.The products’ material,dimansions,color,etc. will according to your requirement. | ||||||||
5. Q: How about the Warranty time ? A:Our warranty time is 12 months after you get our goods . All lifelong technology service and support . | ||||||||
6. Q: Could I visit your factory? A: Of course, please contact us in advance, we would like to tour you arround our the factory and our city. | ||||||||
7. Q:How about the payment terms ? A:You can choose T/T, Western union , or you can choose by alibaba -credit insurance and so on. | ||||||||
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