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Basic use: PVC Venturi Injector can be widely used in petroleum, chemical, metallurgy, electric power and other industries of large pipe runoff fluid control and measurement.
Features of PVDF Venturi Injector : Double Venturi tachometer is a flow measurement method for large diameter flue gas pipelines in power plants. The differential pressure feeling element that measures the flow rate of large diameter pipe. With the differential pressure transmitter and recording and display, the value of the instantaneous flow rate of the differential pressure transmitter and the measured point in the pipe can be obtained. The flow rate can also be adjusted in the pipe by adjusting the instrument, which is characterized as follows: compared with the front throttle device: small volume. Permanent pressure loss is minimal. The PVDF Venturi Injector structure is simple, which is very convenient for inspection, cleaning and maintenance.
(1) The resistance to the fluid production is small, so about 150Pa is low in energy consumption.
(2) Large pressure difference, high accuracy, and wide measurement range.
(3) Good stability, with smooth differential pressure characteristics.
(4) Wide range of use, general gas, flue gas, blast furnace gas with more impurities, etc., long-term use without blockage phenomenon.
(5) Convenient for installation, easy for long-term maintenance.
(6) The front and rear straight pipe segments are shorter than the standard throttle device, about 1.5D before and 1D after.
(7) With the integrated structure of online temperature and pressure self-correction.
Technical requirement:
(1) Applicable industrial pipe: nominal diameter of circular section pipe: DN=500~4000mm circular section pipe: W H=600600~36003600mm and rectangular pipe of different width and height.
(2) Nominal pressure: PN≤6.4MPa.
(3) Operating temperature: less than 400℃ (higher than 400℃, indicated when ordering) .
(4) Differential pressure value: 0~1.0,1.6,2.5,4., 6.3,10,16,25 and 40KPa.
(5) Repeatability error: ± 0.5% (6) Stability: ± 10Pa.
(7) Accuracy level: level 0.5, level 1, level 1.5, level 2.
(8) Sensor receiver size: welded steel pipe G3 / 4, M201.5 or 1 / 2NPT.
(9) Measurement medium, metallurgy: blast furnace gas, cold air, combustion support air, flue gas, recycled gas, mixed gas.
Power: primary wind, secondary wind, coal wind, etc.
Chemical industry: corrosive gases, air, and other media.
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July 25, 2022
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