Steam Integrated Meter Vortex Flow Meter

• Customization: Available
• After-sales Service: 24
• Warranty: 365day
• Model NO.: LU100
• Accuracy: >±1%
• Main Application: Water, Wastewater, Diesel Fuel, Steam, Compressed Air
• Size: DN50-DN500
• Sensor: Pulse, Electromagnetic, Ultrasonic
• Application: Energy Metering
• Type: Pulse, Electromagnetic, Ultrasonic
• Measuring Media: Water, Steam, Compressed Air, etc
• Measuring Principle: Pulse, Electromagnetic, Ultrasonic
• Measurement Object: Open Channel
• Certification: ISO
• Transport Package: Wooden Crate and Cardboard Box
• Specification: DN50-500
• Trademark: Ju Xin Ao Cheng
• Origin: China
• Production Capacity: 50000

Product Description

Integrated vortex flowmeter

Integrated vortex flowmeter with temperature and pressure compensation, mainly used for flow measurement of industrial pipeline media fluids, such as gas, liquid, vapor and other media. Its characteristics are small pressure loss, large range, high accuracy, and almost unaffected by parameters such as fluid density, pressure, temperature, viscosity, etc. when measuring volumetric flow rate under working conditions. No movable mechanical parts, therefore high reliability and low maintenance. The instrument parameters can remain stable for a long time. This instrument uses piezoelectric stress sensors with high reliability and can operate within a temperature range of -20 ºC to+250 ºC. It has both analog standard signals and digital pulse signal outputs, making it easy to use in conjunction with digital systems such as computers. It is a relatively advanced and ideal flow rate.
As can be seen from the above equation, the pulse frequency signal output by VSF is not affected by fluid properties and composition changes, that is, the instrument coefficient is only related to the shape and size of the vortex generator and pipeline within a certain Reynolds number range. However, as a flowmeter in material balance and energy measurement, it is necessary to detect mass flow rate. At this time, the output signal of the flowmeter should simultaneously monitor volume flow rate and fluid density. Fluid properties and components still have a direct impact on flow measurement.
The vortex flowmeter is a new type of flowmeter that measures fluid flow in closed pipelines based on the Karman vortex principle. Due to its excellent medium adaptability, it can directly measure the volumetric flow rate of steam, air, gas, water, and liquid without temperature and pressure compensation. Equipped with temperature and pressure sensors, it can measure standard volumetric flow rate and mass flow rate, making it an ideal alternative to throttling flow meters.
In practical applications, the maximum flow rate is often much lower than the upper limit of the instrument, and with changes in load, the minimum flow rate is often lower than the lower limit of the instrument. The instrument is not working in its optimal working range. To solve this problem, it is usually necessary to reduce the diameter at the measuring point to increase the flow rate at the measuring point, and use smaller diameter instruments to facilitate the measurement of the instrument. However, this variable diameter method requires a straight pipe section with a length of more than 15D between the variable diameter pipe and the instrument for rectification, which makes processing and installation inconvenient. The LGZ variable diameter rectifier with a curved longitudinal section has multiple functions such as rectification, increasing flow velocity, and changing flow velocity distribution. Its structural size is small, only one-third of the inner diameter of the process pipe, and it is integrated with the vortex flowmeter. It not only does not require an additional straight pipe section, but also reduces the requirements for the straight pipe section of the process pipe, making installation very convenient.
For the convenience of use, the battery powered local display vortex flowmeter adopts low-power high-tech. It can operate continuously for more than a year with lithium battery power supply, saving the procurement and installation costs of cables and display instruments. It can display instantaneous flow, cumulative flow, etc. on site. The temperature compensated integrated vortex flowmeter also comes with a temperature sensor, which can directly measure the temperature of saturated steam and calculate the pressure, thereby displaying the mass flow rate of saturated steam. The temperature pressure compensation integrated type is equipped with temperature and pressure sensors, which can directly measure the temperature and pressure of the gas medium for gas flow measurement, thereby displaying the standard volume flow rate of the gas.
main features 
1. No movable parts, reliable operation, good performance, long service life
2. Measure the measured fluid without direct contact with the sensor, with stable performance
3. Due to less pressure loss, it has energy-saving characteristics compared to differential pressure flow meters
4. Simple and sturdy structure, easy installation, and minimal maintenance costs

technical parameter
1. Caliber: DN15-DN200
2. Nominal pressure: 1.6MPa, 2.5MPa, 4MPa
3. Environmental temperature for use:- 25 ºC to+130 ºC- 25 ºC to+250 ºC- 25 ºC~+300 ºC
4. Accuracy: ± 1.0%
5. Power supply: Equipped with an internal 3.6V lithium battery. External power supply+24VDC ± 10%
working principle
The principle of vortex flowmeter: By setting a triangular cylindrical vortex generator in the fluid, regular vortices are alternately generated from both sides of the vortex generator, which is called Karman vortex.
The vortex flowmeter applies the principle of fluid oscillation to measure flow rate. When the fluid passes through the vortex flowmeter in the pipeline, two columns of vortices proportional to the flow velocity are alternately generated up and down behind the vortex generator in the triangular column. The release frequency of the vortices is related to the average velocity of the fluid flowing through the vortex generator and the characteristic width of the vortex generator.
The integrated vortex flowmeter is a new type of flowmeter for measuring fluid flow in closed pipelines based on the Karman vortex principle. Due to its excellent medium adaptability, it can directly measure the volumetric flow rate of steam, air, gas, water, and liquid without temperature and pressure compensation. Equipped with temperature and pressure sensors, it can measure standard volumetric flow rate and mass flow rate, making it an ideal alternative to throttling flow meters. In order to improve the high temperature resistance and vibration resistance of vortex flow meters, our company has recently developed the HLUG improved vortex flow sensor. Due to its unique structure and material selection, the sensor can be used in harsh working conditions such as high temperature (350 ºC) and strong vibration (≤ 1g). In practical applications, the maximum flow rate is often much lower than the upper limit of the instrument, and with changes in load, the minimum flow rate is often lower than the lower limit of the instrument. The instrument is not working in its optimal working range. To solve this problem, it is usually necessary to reduce the diameter at the measuring point to increase the flow rate at the measuring point, and use smaller diameter instruments to facilitate the measurement of the instrument. However, this variable diameter method requires a straight pipe section with a length of more than 15D between the variable diameter pipe and the instrument for rectification, which makes processing and installation inconvenient. Our company has developed an LGZ variable diameter rectifier with a curved longitudinal section, which has multiple functions such as rectification, increasing flow velocity, and changing flow velocity distribution. Its structural size is small, only one-third of the inner diameter of the process pipe, and it is integrated with the vortex flowmeter. It not only does not require an additional straight pipe section, but also reduces the requirements for the straight pipe section of the process pipe, making installation very convenient. For the convenience of use, the battery powered local display vortex flowmeter adopts low-power high-tech. It can operate continuously for more than a year with lithium battery power supply, saving the procurement and installation costs of cables and display instruments. It can display instantaneous flow, cumulative flow, etc. on site. The temperature compensated integrated vortex flowmeter also comes with a temperature sensor, which can directly measure the temperature of saturated steam and calculate the pressure, thereby displaying the mass flow rate of saturated steam. The temperature pressure compensation integrated type is equipped with temperature and pressure sensors, which can directly measure the temperature and pressure of the gas medium for gas flow measurement, thereby displaying the standard volume flow rate of the gas.



Product Selection

code	orifice	Flow range m³/h	-	-
LU-25	DN25	1~10(liquid)	25~60(gas)
LU-32	DN32	1.5~18(liquid)	15~150(gas)	-
LU-40	DN40	2.2~27(liquid)	22.6~150(gas)	-
LU-50	DN50	4~55(liquid)	35~350(gas)	-
LU-80	DN80	9~135(liquid)	90~900(gas)	-
LU-100	DN100	14~200(liquid)	140~1400(gas)	-
LU-150	DN150	32~480(liquid)	300~3000(gas)	-
LU-200	DN200	56~800(liquid)	550~5500(gas)	-
material	Stainless steel 304.316 carbon steel (customizable)

Select the parameters required for the vortex flowmeter:
1. Diameter of pipeline
2. The name of the tested medium (steam should indicate whether it is saturated steam or superheated steam)
3. Working pressure of the tested medium
4. Working temperature of the tested medium
5. The working flow rate of the tested medium
Saturated vapor density, pressure, temperature

Temperature ºC	Pressure  kgf/m3	Density   kg/m3	Temperature ºC	Pressure kgf/m3	Density kg/m3
120	2.0245	1.121	175	9.101	4.617
122	2.1561	1.189	176	9.317	4.721
124	2.2947	1.261	177	9.538	4.829
126	2.4404	1.336	178	9.763	4.936
128	2.5935	1.414	179	9.992	5.045
130	2.7544	1.496	180	10.225	5.157
132	2.9233	1.582	181	10.462	5.271
134	3.101	1.672	182	10.703	5.388
136	3.286	1.765	183	10.950	5.507
138	3.481	1.864	184	11.201	5.627
140	3.685	1.966	185	11.456	5.750
142	3.898	2.073	186	11.715	5.875
144	4.121	2.184	187	11.979	6.002
146	4.355	2.300	188	12.248	6.131
148	4.599	2.421	189	12.522	6.262
150	4.854	2.547	190	12.800	6.394
151	4.985	2.612	191	13.083	6.532
152	5.119	2.679	192	13.371	6.671
153	5.257	2.746	193	13.664	6.812
154	5.397	2.815	194	13.962	6.954
155	5.540	2.855	195	14.265	7.097
156	5.686	2.958	196	14.573	7.246
157	5.836	3.030	197	14.866	7.396
158	5.988	3.103	198	15.204	7.547
159	6.144	3.182	199	15.528	7.704
160	6.302	3.258	200	15.857	7.862
161	6.464	3.338	201	16.192	8.026
162	6.630	3.419	202	16.532	8.183
163	6.798	3.500	203	16.877	8.354
164	6.970	3.584	204	17.228	8.518
165	7.146	3.670	205	17.585	8.688
166	7.325	3.757	206	17.948	8.865
167	7.507	3.846	207	18.316	9.042
168	7.693	3.935	208	18.690	9.225
169	7.883	4.027	209	19.070	9.407
170	8.076	4.122	210	19.456	9.588
171	8.274	4.218	211	19.848	9.775
172	8.475	4.314	212	20.246	9.970
173	8.679	4.413	213	20.651	10.170
174	8.888	4.515	214	21.061	10.360

Use case