The Lugb Type Vortex Flowmeter for Measuring The Flow of Oil in Closed Pipes
Product Details
| Customization: | Available |
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| After-sales Service: | Free Technical Guidance |
| Warranty: | 1 Year |
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Year of Establishment
2005-06-29
Number of Employees
71
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Basic Info.
- Model NO.
- LUGB
- Accuracy
- >±1%
- Main Application
- Water, Fuel Oil, Nature Gas
- Size
- DN15~1200
- Sensor
- Tube/Flange
- Application
- Transportation
- Type
- Vortex Flow Meter
- Measuring Media
- Liquid
- Measuring Principle
- Karman Principle
- Measurement Object
- Closed Pipeline
- Certification
- CE
- Transport Package
- Wooden Box Packaging
- Specification
- 50.00cm * 50.00cm * 70cm
- Trademark
- Vacorda
- Origin
- China
- HS Code
- 9026100000
- Production Capacity
- 500 Pieces Per Week
Packaging & Delivery
- Package Size
- 50.00cm * 50.00cm * 70.00cm
- Package Gross Weight
- 10.000kg
Product Description
Working principle
The LUGB type vortex flowmeter is a flowmeter designed and manufactured using the Karman principle theory of the relationship between the generation of vortices and the flow rate. It can be used to measure the flow of steam, gas and low viscosity liquids. A triangular column (vortex) generating body is inserted into the fluid, and a regular Karman vortex is formed alternately behind the triangular prism, and the separation frequency of the scoring is proportional to the flow velocity(V) of the measured medium. Therefore, the flow rate of the measured fluid can be calculated by detecting the number of vortices by the flow meter sensor head, and the signal processing circuit calculates the volume flow rate of the measured medium according to the sensor aperture.
F=Sr * V/(1-1.27 * d/D) Q=3600*F/K M=Q * ρ
Note:
F - Vortex frequency produced by fluid flowing through the triangular prism (Hz)
Q- -volume flow (m3/h)
M - mass flow (kg/h)
Sr - Strohar coefficient (dimensionless)
V - the average velocity of the fluid in the pipe (m/s)
D - Vortex flow sensor inner diameter (m)
Ρ - fluid density (kg/m3)
K - vortex street flow sensor coefficient (number of pulses / m3)
The K value is the number of pulses generated per cubic meter of fluid flowing through the sensor (the number of vortices generated on the back side of the triangular prism). Different vortex flow sensor apertures have different meter values K, and the K value can only be calibrated by the flow calibration device. Acquired.
Product standard: JB/T9249-1999,JJG1029-2007
Flange standard: HG/T20592-2009(Default standard)
Product feature
Technical parameters
Selection table
LUGB - 1 2 /3 4 5 6 7 8 9 10 11 12 13
The LUGB type vortex flowmeter is a flowmeter designed and manufactured using the Karman principle theory of the relationship between the generation of vortices and the flow rate. It can be used to measure the flow of steam, gas and low viscosity liquids. A triangular column (vortex) generating body is inserted into the fluid, and a regular Karman vortex is formed alternately behind the triangular prism, and the separation frequency of the scoring is proportional to the flow velocity(V) of the measured medium. Therefore, the flow rate of the measured fluid can be calculated by detecting the number of vortices by the flow meter sensor head, and the signal processing circuit calculates the volume flow rate of the measured medium according to the sensor aperture.
F=Sr * V/(1-1.27 * d/D) Q=3600*F/K M=Q * ρ
Note:
F - Vortex frequency produced by fluid flowing through the triangular prism (Hz)
Q- -volume flow (m3/h)
M - mass flow (kg/h)
Sr - Strohar coefficient (dimensionless)
V - the average velocity of the fluid in the pipe (m/s)
D - Vortex flow sensor inner diameter (m)
Ρ - fluid density (kg/m3)
K - vortex street flow sensor coefficient (number of pulses / m3)
The K value is the number of pulses generated per cubic meter of fluid flowing through the sensor (the number of vortices generated on the back side of the triangular prism). Different vortex flow sensor apertures have different meter values K, and the K value can only be calibrated by the flow calibration device. Acquired.
Product standard: JB/T9249-1999,JJG1029-2007
Flange standard: HG/T20592-2009(Default standard)
Product feature
- High accuracy and good repeatability
- The detection element is not in contact with the fluid, and the performance is stable and the reliability is high.
- Simple and firm structure, movable parts, reliable operation for a long time
- Wide measurement range with a range ratio of 1:10 (special up to 15)
- The pressure loss is small, about 1/4~1/2 of the orifice flowmeter
Technical parameters
| Measuring medium: | Liquid, gas, saturated steam, superheated steam |
| Medium flow rate: | Liquid 0.5~7 m/s, gas 4~40 m/s, steam 7~70 m/s |
| Accuracy level: | Liquid 1.0, gas 1.5, insert type 2.5 |
| Possible range of measurement: | Reynolds number is 5*103~7*108 |
| Normal measurement range: | Reynolds number is 2*104~7*106 |
| Nominal diameter: | DN15~DN300 (pipeline type, clamping), DN150~DN2000 (insert type or customized) |
| Medium temperature: | -40~80°C, medium temperature -40~250°C, high temperature -40~350°C |
| Nominal pressure: | 1.0~6.3MPa (>6.3 for customize) |
| Installation method: | Flange type, insert type, clamp type |
| Output signal: | Voltage pulse: low level ≤ 1V, high level ≥ 6V 2-wire system 4-20mA (with RS485, HART) Pulse frequency 0.1~3000Hz |
| Power supply: | 3-wire pulse output 12V, 24VDC optional 2-wire power supply 24VDC Local display type 3.6V lithium 7.5AH battery, life > 2 years |
| Load resistance: | 500Ω (when powered by 24VDC) |
| Electrical interface: | M20*1.5, 1/2" NPT |
| Body material: | SS304, SS316L (or for customize) |
| Head material: | Cast aluminum housing, stainless steel housing (or for customize) |
| Environmental conditions: | Temperature -20~+60ºC, relative humidity 5% ~ 90% |
| Protection level: | IP65 |
| Explosion-proof grade: | ExdIIBT4Gb, ExiaIIBT4Ga |
Selection table
LUGB - 1 2 /3 4 5 6 7 8 9 10 11 12 13
| 1 | Installation Methods | ||||||||||||||||||||||
| 1-Flange type | 2-Flange clamping type | 3-Insert type | T-Others | ||||||||||||||||||||
| 2 | Measured medium | ||||||||||||||||||||||
| 1-Gas | 2-Liquid | 3-Saturated steam | 4-superheated steam | ||||||||||||||||||||
| 3 | Nominal diameter | ||||||||||||||||||||||
| Write the value directly for example: DN15-write"015" DN200-write"200" | |||||||||||||||||||||||
| 4 | Pressure Grade | ||||||||||||||||||||||
| C-1.6MPa | D-2.5MPa | E-4.0MPa | F-6.3MPa | T-for customize | |||||||||||||||||||
| 5 | Output signal | ||||||||||||||||||||||
| 0-Local display | 1-3 wire pulse output | 2-3 wire pulse output + HART | 3-4-20mA | 4-4-20Ma+HART | |||||||||||||||||||
| 6 | Display head | ||||||||||||||||||||||
| N-Without | B-LCD display | ||||||||||||||||||||||
| 7 | Electrical interface | ||||||||||||||||||||||
| M-M20*1.5 | N-1/2"NPT | ||||||||||||||||||||||
| 8 | Power supply | ||||||||||||||||||||||
| 1-DC12V (Only for 3-wire pulse output) | 2-24VDC | 3- lithium battery 3.6V 7.5AH | 4-220V(or customize) | ||||||||||||||||||||
| 9 | Body material | ||||||||||||||||||||||
| P1-SS304 | P2-SS316L | T-for customize | |||||||||||||||||||||
| 10 | Shell material | ||||||||||||||||||||||
| N-Cast aluminum | P1-SS304 | P2-SS316L | |||||||||||||||||||||
| 11 | Medium temperature | ||||||||||||||||||||||
| E-≤80ºC | I-≤150ºC | J-≤250ºC | E-≤350ºC | T-for customize | |||||||||||||||||||
| 12 | Optional function | ||||||||||||||||||||||
| N-without | W-temperature compensation | Y-Pressure compensation | Z- temperature &Pressure compensation | ||||||||||||||||||||
| 13 | Explosion-proof | ||||||||||||||||||||||
| N-Without | E-Exd | I-Exia | |||||||||||||||||||||
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