Thread Type Vortex Flow Meter
Product Specifications
| Prod Model: |
cx |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| (Mainland) Brand Name: |
Gn |
| Warranty: |
One Year |
| Exported: |
More 80 Countries |
| Price: |
Competitive |
| Maintenance: |
Less and Easy |
| Accuracy: |
>?à1% |
| Size: |
DN50-100 |
| Main Application: |
Corrosive Liquid/Gas |
| Sensor: |
Tube/Flange |
Product Description
Working principle
To install a vortex generator(bluff body)in the fluid,which can produces regular vortex at both sides of the vortex generator altematively.Such vortex is called Karman Vortex.Vortex trains are asymmetrically arranged at the downstream of the vortex geberator. Suppose the generating frequency of the vortex is f,the average speed of the incoming flow of the tested medium is V,the head-on width of the vortex generator is d,and the diameter of the flowmeter is D,and base on the principles of Karman Vortex,the following relations will be obtained:
cart(1)
f=StV/d Formula (1)
Note:f- Suppose the generating frequency of the vortex
St-Strouhal number
V-average flow velocity at both sides of the vortex generator
d- the vortex geberator body width
Thus, by measuring the Carmen frequency of vortex separation of instantaneous flow rate can be calculated. Among them, Strouhal number ( St ) is a dimensionless unknown, Figure ( two) said the Strouhal number ( St ) and Reynolds number ( Re ) relationship.
chart(2)
In the curve St = 0.17straight section, whirlpool release frequency and velocity proportional to, namely the vortex flow sensor measurement range. As long as the detected frequency f can be obtained within the tube by the flow rate of the fluid, flow velocity and volume flow rate V. The measured pulse number and volume ratio, called the instrument constant ( K ), see type (2)
K=N/Q(1/m³) Formula (2)
K=Instrument constant(1/m³)
N=Pulse number
Q=Volume flow(m³)
Main technical index Unit(1)
| Nominal diameter(mm) | 25,40,50,65,80,100,125,150,200,250,300,(300~1000 Insert type) |
| Nominal pressure (MPa) | DN25-DN200 4.0(>4.0 Supply agreement),DN250-DN300 1.6(>1.6 Supply agreement) |
| Medium temperature(ºC) | Piezoelectric type:-40~260,-40~320;Capacitance type
: -40~300, -40~400,-40~450(Supply agreement) |
| Body material | 1Cr18Ni9Ti,(Other materials supply agreement) |
| Allowable vibration acceleration | Piezoelectric type:0.2g Capacitance type:1.0~2.0g |
| Accuracy | ±1%R,±1.5%R,±1FS;Insert type:±2.5%R,±2.5%FS |
| Range of | 1:6~1:30 |
| Power supply voltage | Sensor:+12V DC,+24V DC;Transmitter:+12V DC ,+24V DC;Battery type:3.6V Battery |
| Output signal | Square wave pulse ( not including the battery power supply type ): high level or low level5V,1V; current: 4~ 20mA |
| Pressure loss coefficient | In line with the JB / T9249standard Cd = 2.4 |
| Explosion proof marks | Intrinsic safety type: Exd IA CT2-T5 flameproof type: Exd CT2-T5 |
| Protection grade | The ordinary IP65 diving type IP68 |
| Environmental conditions | Temperature - 20~ 55,5% ~ 90% of relative humidity, atmospheric pressure is 86 ~ 106kPa |
| Applicable medium | Gas, liquid, steam |
| Transmission distance | Three wire system pulse output type: < 300m, two line standard current output type (4 ~ 20mA ): load resistance less than 750ohm |
Table (2) reference conditions of vortex flow sensors flow rate range table
Meter diameter
(mm) | Liquid | Gas |
Measuring range
(m3/h) | Output frequency range(Hz) | Measuring range
(m3/h) | Output frequency range(Hz) |
| 25 | 1.2~16 | 25~336
| 8.8~55 | 190~1140 |
| 40 | 2~40 | 10~200 | 27~205 | 140~1040 |
| 50 | 3~60 | 8~160 | 35~380 | 94~1020 |
| 80 | 6.5~130 | 4.1~82 | 86~1100 | 55~690 |
| 100 | 15~220 | 4.7~69 | 133~1700 | 42~536 |
| 150 | 30~450 | 2.8~43 | 347~4000 | 33~380 |
| 200 | 45~800 | 2~31 | 560~8000 | 22~315 |
| 250 | 65~1250 | 1.5~25 | 890~11000 | 18~221 |
| 300 | 95~2000 | 1.2~24 | 1360~18000 | 16~213 |
| (300) | 100~1500 | 5.5~87
| 1560~15600 | 85~880 |
| (400) | 180~3000 | 5.6~87 | 2750~27000 | 85~880 |
| (500) | 300~4500 | 5.6~88 | 4300~43000 | 85~880 |
| (600) | 450~6500 | 5.7~89 | 6100~61000 | 85~880 |
| (800) | 750~10000 | 5.7~88 | 11000~110000 | 85~880 |
| (1000) | 1200~1700 | 5.8~88 | 17000~170000 | 85~880 |
| >(1000) | Agreement |
| Agreement |
|
Note: (300) to (1000) diameter for insertion type
Instrument installation dimensions: see figure ( five ), map ( six)
Caliber
()(mm)
(mm) | A | B | C | CH |
| 15~25 | 70 | 55 | 390 | 455 |
| 40 | 85
| 80 | 385 | 440 |
| 50 | 85 | 90 | 390 | 450 |
| 65 | 85 | 105 | 400 | 470 |
| 80 | 90 | 120 | 420 | 480 |
| 100 | 85 | 140 | 440 | 500 |
| 125 | 95 | 168 | 465 | 530 |
| 150 | 100 | 194 | 490 | 560 |
| 200 | 102 | 248 | 545 | 610 |
| 250 | 115 | 300 | 600 | 660 |
| 300 | 130 | 350 | 650 | 710 |
| Caliber (mm) | DN250 | DN300 | DN400 | DN500 | DN600 | DN800-
2000 |
| L | 60.5 | 58 | 65.5 | 60.5 | 55.5 | 45.5 |
chart(5)
Vortex flow meter selection table
| Spectrum | Explain |
| LU |
| Vortex flow meter |
| G |
| Sensor |
| Detection mode | B |
| Piezoelectric sensor |
| E |
| Capacitance type sensor |
| Connection mode |
| 1 | Only the full pipe type | Flange connection |
| 2 | Only the full pipe type | The flange clamp type |
| 3 | Only to insert type | Simple insertion type |
| 4 | Only to insert type | Insertion type ball valve |
| Measurement of medium |
| 2 |
|
| Liquid |
| 3 |
|
| Gas |
| 4 |
|
| Steam |
| Nominal diameter |
| 02
30 |
| DN25
unit:mm
DN300 |
| The use of the environment |
| P |
| Ordinary type |
| B |
| Explosion proof type |
| Output signal |
| 1 |
| Pulse output |
| 2 |
| 4 ~ 20mA output current, liquid crystal display |
| 3 |
| RS-485 communication |
| 4 |
| Battery powered, with temperature, pressure compensation |
| 5 |
| The temperature and pressure compensation for one,4 ~ 20mA current output type |
| 6 |
| The temperature and pressure compensation integrated, battery power supply type |
| Type description | For example: LUGE2405-P2 full pipe type capacitive vortex flow meter, a flange clamp connection, medium for steam
Instrument path for DN50, general 4~ 20mA output current signal |
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2. Sensor the nominal size of the code table
| Nominal diameter DN mm | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 |
| Tag number | 02 | 03 | 04 | 05 | 06 | 08 | 10 | 12 | 15 | 20 | 25 |
| Nominal diameter DN mm | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 1000 | 1200 | 1500 |
| Tag number | 30 | 35 | 40 | 45 | 50 | 60 | 70 | 80 | A0 | A2 | A5 |
Cixi flowmeter Co., Ltd. Was established in 2008 and since then has been dedicating itself to research and manufacture of various kinds of flowmeter. With sophisticated experience in technology and management, CIXI Flowmeter has made a name for itself as an excellent manufacturer of various kinds of flowmeter. In 2007, we have especially set up Shanghai Cixi Instrument Co. Ltd for handling the deals of Export.
Thanks to outstanding performance of products, CIXI Flowmeters are being applied in more and more fields where there' S liquid to measure. Now company involves in polyurethane, fuel consumption, automotive, dispensing robots, semiconductors, odorizing equipment, batteries, electricity, telecommunications, petroleum, chemical, coal, metallurgy, water conservancy, food, medical, machinery and other industries. CIXI Flowmeters have found users in many countries besides China, such as Malaysia, India, Thailand, Vietnam, South Africa and so on. Increasing number of users are finding that CIXI Flowmeter are kind of product with super performance and reasonable price.
Now we have super mirco flow meter, oval gear flow meter, coriolis mass flow meter, electromagnetic flow meter, piston flow meter, and Spur gear flow meter, gear pump, gear metering pump. There is no other manufactures who can produce micro flow meter and many company import this kind of flow meter from Japan or America. After we put our micro flow meter into market, the news was spreaded widely and we got many reputation from our client. We now have sold this flow meter to more than 100 countries which contain wide and different applications. Meanwhile our oval gear flow meter has aquired many certificates and filled the vacancy of Chinese market. At the same time, in order to cooperate with the whole set of sales and services of the product, we can also produce supporting quantitative systems, various proportioning systems and industrial automation systems, allowing customers to have a wider range of choices.
Business Type: Trading Company
Number of Employees: 16
Management System Certification: ISO 9001
International Commercial Terms: FOB, CIF, CFR
Terms of Payment: LC, T/T, D/P, PayPal, Western Union, Small-amount payment
Average Lead Time: Peak season lead time: within 15 workdaysOff season lead time: within 15 workdays
Number of Foreign Trading Staff: 4~10 People
Export Year: 2005-12-01
Export Percentage: 51%~70%
Main Markets: North America, Europe, Southeast Asia/ Mideast
Export Mode: Have Own Export License
Factory Address: Room 402, Block B, Shuangzi Building, No.668, Bianzhu, Xinqiao Town, Songjiang District, Shanghai, China
R&D Capacity: OEM, Own Brand()
No. of R&D Staff: 5-10 People
No. of Production Lines: 3
Annual Output Value: US$2.5 Million - US$5 Million
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