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Product ·Structure diagram
Product Internal Structure｜Decomposition Analysis｜Just to give you a better understanding of the product
Committed to provide solution for field instruments
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| 1. Wedge block；2. Measuring conduit；3. Connecting flange；4. Pressure tapping conduit； 5. Pressure tapping flange；6. Double flange diaphragm type differential pressure transmitter |
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| 1. Measuring conduit；2. Wedge block；3. Connecting flange；4. Pressure tapping conduit； 5. Pressure tapping flange；6. Double flange diaphragm type differential pressure transmitter |
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Product • parameters
Various parameters for you to choose｜HUAHAI instrument Strive for excellence
Committed to provide solution for field instruments
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| Product name |
Wedge flowmeter |
Applicable pipe diameter D |
15mm～300mm (More than DN300 can be made) |
| Uncertainty |
±1.0～1.5% FS（When leaving the factory, calibrate one by one） |
Repeatability |
0.2～0.5% |
| Range ratio |
10：1 |
Working pressure |
-0.1Mpa～6.4Mpa |
| Working temperature |
-50℃～400℃ |
Minimum flow velocity |
0.01m/s |
| Measuring liquid viscosity |
Upper limit 500mPa.S |
Reynolds number range |
Lower limit 300，upper limit more than 1*106 |
| Applicable medium |
Water, sewage, gas, steam, high viscosity liquid，solid-liquid mixed type |
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| Nominal diameter D |
L (mm) |
Nominal diameter D |
L (mm) |
Nominal diameter D |
L (mm) |
| DN15 |
400 |
DN65 |
450 |
DN150 |
600 |
| DN25 |
400 |
DN80 |
480 |
DN200 |
620 |
| DN40 |
400 |
DN100 |
520 |
DN250 |
650 |
| DN50 |
400 |
DN125 |
550 |
DN300 |
700 |
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| Flange execution standard：JB/T81-1994、JB/T82.1-1994、JB/T82.2-1994（the picture above） |
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| Model |
Description |
| HLGX |
Wedge flowmeter |
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Code |
Classification by structure characteristics |
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Y |
Integral type wedge flowmeter |
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F |
Remote type wedge flowmeter |
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Code |
Nominal pressure（MPa） |
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1.6 |
1.6 |
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2.0 |
2.0 |
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2.5 |
2.5 |
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4.0 |
4.0 |
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6.4 |
6.4 |
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Code |
Caliber |
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15-300 |
DN15-DN300 |
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Code |
Medium |
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1 |
Liquid |
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2 |
Gas |
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3 |
Steam |
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Code |
Compensation form |
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N |
No pressure, temperature compensation |
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P |
With pressure compensation output |
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T |
With temperature compensation output |
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Code |
Transmitter differential pressure range |
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1 |
Medium differential pressure range |
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2 |
High differential pressure range |
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Code |
Whether with the field display |
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W |
Throttling device sensor |
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X |
Intelligent throttling device (flowmeter) |
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