- Model NO.: LUGB
- Main Application: Water, Nature Gas
- Sensor: Tube/Flange
- Type: Fluid Oscillation Flow Meter
- Measuring Principle: Carmen Vortex Principle
- Certification: GB, ISO
- Range Scale: 10:1- 20:1
- Applicable Medium: Gas, Liquid or Steam
- Transport Package: Carton or Plywood Case
- HS Code: 9026100000
- Accuracy: >±1%
- Size: Dn15~400
- Application: Industrial Production
- Measuring Media: Gas
- Measurement Object: Open Channel
- Model: Lugb Series (Flange Type, Sandwich Type)
- Intrinsic Safe Explosion-Proof: Exiaiict1 - T4
- Trademark: Shuang huan
- Origin: China Jiangsu Changzhou
Output Pluse Signal LCD Display Vortex Flow Meter for Measuring Water, Steam
Technology of vortex flow meter:
Model: LUGB series (flange type, sandwich type)
Size: DN25, 32,40,50,65,80,100,125,150,200,250,300
Nominal pressure: normal type          1.6 MPa
                              High-pressure type:  2.5 MPa, 4.0 MPa
Fluid temperature :normal type             (-40~300) ºC
                               High-temperature type  (-40~400 ) ºC
Accuracy : liquid         1.0,  Â
                 gas, steam   1.5
Measuring range: liquid         (1~10) m/s,
                            gas, steam   (5 ~ 50) m/s
Range scale:10:1- 20:1
Output signal: three~wire voltage pulse or (4~20 mA) standard current signal
Power supply: 24V DC (location indication can choose 3.6 V battery power supply optional)
Intrinsic safe explosion-proof: ExiaIICT1 - T4
Environmental conditions: temperature (-40~55) ºC
                                           relative humidity (5~90) %
                                           atmospheric pressure (86 ~ 106) KPa
Applicable medium: gas, liquid or steam
Feature of vortex flowmeter:
1. Widely measuring range. Can measure liquids, gases and steam and other kinds of fluid.
2. Powerful output function. It can output pulse frequency signal or (4 ~ 20) mA standards current signal and it can display the instantaneous and accumulated flow rate.
3. Little pressure loss. The measuring principle determined to low pressure loss, compared to other meter, it can conserve energy better.
4. High reliability. The structure is simple and reliable, no moving parts, high reliability, reliable running in long time.
5. High accuracy. Output is pulse signal which proportional to the flow rate, no zero drift, high accuracy.
6. Good reproducibility.In a certain range of Reynolds number, the frequence of the output signal is unacted on fluid physics characteristic and ingredient variation, meter coefficient just related to the figure and dimension of the swirl-generating body. There will be no compensation when measure the fluid volume rate.After change the accessories, the meter can still workable without re-calibration.
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Description of vortex flowmeter:
Principle: The basic principle of vortex flowmeter is Carmen vortex phenomenon, when the medium flowing through the triangle with a certain speed, there are diplostichous regular swirl alternately in both sides of the triangle, the swirl arranged unsymmetrically in the downstream of the triangle, the piezoelectricity detector can detect the separated frequence of the swirl ,and according to the frequence can feflect the flow rate.
Product standard:
The quality standard is :JB/T9249-1999 , and according to ISO9001:2008 to control the quality.Each product has to inspect contain leak tightness test, shell strength test, insulation strength test, electrical aging test, water(gas) flow calibrate test, etc. We ask our supplier provide test report of raw material, each electrical element has to be detected, so every finished product has factory test report and data record.
Function: It can output pulse frequency signal or (4~20 ) mA standard current signal ,be equipped with the industrial automation instrument can display the instantaneous and accumulated flow rate to realize the function of measuring and controlling automaticly.
Characteristics: It has the characteristics of widely range, high precision, low pressure loss. When measure the volume flow, there is no effect to density, pressure, temperature, viscosity, etc. It can be instead of the orifice meter and will hold the leading position in the future.
Application fields: It is mainly used to measuring the flow rate of in liquids, gases and steam in the fields like oil, chemical industry, metallurgy, electric power, heat industries and municipal construction, environmental protection projects .
DN(mm) | Water | Ambient temperature              Ambient pressure                                Air |
Measuring Range (m 3 /h) | Measuring Range (m 3 /h) | |
25 | 1~10 | 8~60 |
32 | 1.5~15 | 14~100 |
40 | 3~30 | 18~180 |
50 | 4~40 | 30~300 |
65 | 6~60 | 50~500 |
80 | 13~130 | 70~700 |
100 | 20~200 | 100~1000 |
125 | 36~360 | 150~1500 |
150 | 50~500 | 200~2000 |
200 | 100~1000 | 400~4000 |
250 | 150~1500 | 600~6000 |
300 | 200~2000 | 1000~10000 |
Mass measuring range of superheated steam Â
DN (mm) | Lower Limit Flow Rate   (Kg/h) | Upper Limit Flow Rate (Kg/h) | DN          (mm) | Lower Limit Flow Rate (Kg/h) | Upper Limit Flow Rate   (Kg/h) |
25 | 13.1 | 104 | 100 | 164.7 | 1647 |
32 | 23 | 184 | 125 | 247.1 | 2471 |
40 | 26.5 | 265 | 150 | 329.4 | 3294 |
50 | 49.4 | 494 | 200 | 658.8 | 6588 |
65 | 82.3 | 823 | 250 | 988.2 | 9882 |
80 | 115.3 | 1153 | 300 | 1647 | 16470 |
Mass measuring range of saturation steam Â
Absolute Press (MPa) Temp. t(Celsius) Density Ï   (Kg/m 3 ) |
0.2 120.23Â 1.129 |
0.3Â 133.54Â 1.651 |
0.4Â 143.62 2.163 |
0.5Â 151.84 2.669 |
0.6Â 158.94Â 3.17 |
0.7Â 164.96Â 3.667 |
0.8Â Â 170.41Â 4.162 |
0.9Â Â 175.36Â 4.655 |
1.0Â 179.88Â 5.147 |
1.2 187.96 6.127 |
1.5Â Â 198.4Â 7.602 |
2.0Â 212.37Â 10.05 |
DN25Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Lower Limit Upper Limit |
 14 140 |
 17 170 |
 19 190 |
 22 220 |
 23 230 |
 25 250 |
 27 270 |
 28 280 |
 30 300 |
 33 330 |
 36 360 |
 42 420 |
DN32         Lower Limit Upper Limit |  26 260 |
 30 300 |
 34 340 |
 38 380 |
 41 410 |
 44 440 |
 47 470 |
 50 500 |
 52 520 |
 57 570 |
 63 630 |
 73 730 |
DN40Â Â Â Â Â Â Â Â Â Â Â Lower Limit Upper Limit |
 31 310 |
 38 380 |
 44 440 |
 48 480 |
 53 530 |
 57 570 |
 60 600 |
 64 640 |
 67 670 |
 73 730 |
 82 820 |
 94 940 |
DN50 Lower Limit Upper Limit |
 52 520 |
 63 630 |
 73 730 |
 81 810 |
 88 880 |
 95 950 |
 101 1010 |
 107 1070 |
 112 1120 |
 122 1220 |
 136 1360 |
 157 1570 |
DN65 Lower Limit Upper Limit |
 90 900 |
 106 1060 |
 121 1210 |
 134 1340 |
 146 1460 |
 158 1580 |
 168 1680 |
 178 1780 |
 187 1870 |
 204 2040 |
 227 2270 |
 261 2610 |
DN80 Lower Limit Upper Limit |
 122  1220 |
 148 1480 |
 170 1700 |
 188 1880 |
 205 2050 |
 221 2210 |
 235 235 |
 249 2490 |
 261 2610 |
 285 2850 |
 318 3180 |
 365 3650 |
DN100 Lower Limit Upper Limit |
 175 1750 |
 212 2120 |
 242 2420 |
 269 2690 |
 293 2930 |
 315 3150 |
 336 3360 |
 355 3550 |
 374 3740 |
 408 4080 |
 454 4540 |
 522  5220 |
DN125 Lower Limit Upper Limit |
 262 2620 |
 318 3180 |
 363 3630 |
 404 4040 |
 440 4400 |
 473 4730 |
 504 5040 |
 533 5330 |
 561 5610 |
 612 6120 |
 681 6810 |
 783 7830 |
DN150 Lower Limit Upper Limit |
 350 3500 |
 423 4230 |
 484 4840 |
 538 5380 |
 586 5860 |
 631 6310 |
 672 6720 |
 711 7110 |
 747 7470 |
 815 8150 |
 908 9080 |
 1044 10440 |
DN200 Lower Limit  Upper Limit |
 700 7000 |
 846 8460 |
 969 9690 |
 1076 10760 |
 1173 11730 |
 1261 12610 |
 1344 13440 |
 1421 14210 |
 1494 14940 |
 1630 16300 |
 1815 18150 |
 2088 20880 |
DN250 Lower Limit Upper Limit |
 1050 10500 |
 1269 12690 |
 1453 14530 |
 1641 16410 |
 1759 17590 |
 1829 18290 |
 2016 20160 |
 2132 21320 |
 2241 22410 |
 2445 24450 |
 2722 27220 |
 3132 31320 |
DN300 Lower Limit Upper Limit |
 1750 17500 |
 2116 21160 |
 2422 24220 |
 2690 26900 |
 2932 29320 |
 3153 31530 |
 3359 33590 |
 3553 3553 |
 3736 37360 |
 4076 40760 |
 4536 45360 |
 5220 52200 |
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