| Customization: | Available |
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| Task: | Adjust |
| Structure: | Closed-Loop |
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HJP series porous balance flow sensor achieves the best effect of flow field balance and rectification, fully meets the requirements of the law of fluid mechanics for fluid measurement, and minimizes the dead zone effect. The eddy current generated before and after the throttling device is greatly reduced, which significantly improves the measurement accuracy, does not require a long straight pipe rectification, the permanent pressure loss is reduced to about 1/3 of the traditional throttling device due to the reduction of the eddy current, and the range ratio is extended to 10:1. The phenomenon of debris retention is basically eliminated, and the design without sharp angles greatly improves the service life of the product.
features
High linearity and good repeatability
Because the HJP series porous balance flow sensor has the characteristics of porous symmetrical structure and a large number of test data show that the porous balance flow sensor can balance the flow field, reduce the eddy current, reduce the vibration and signal noise, greatly improve the stability of the flow field, and make the linearity It is 5~10 times higher than the orifice plate, and the repeatability is increased by 54% to 0.15%. From the perspective of its comprehensive performance, the porous orifice flowmeter has high-end flowmeter performance and can be used for trade measurement.
Linearity up to ±0.3% at 5:1 turndown
Linearity up to ±0.7% at 7:1 turndown
Linearity up to ±1.0% at 10:1 turndown
Straight pipe section requirements are low
Because the HJP series porous balance flow sensor can stabilize the flow field, and the pressure recovery is twice as fast as that of the traditional throttling device, which greatly shortens the requirements for the straight pipe section. The front and rear straight pipe sections are generally 3D in the front and 1D in the rear, saving a lot of straight pipe sections, especially pipes of special and expensive materials.
low permanent pressure loss
Due to the balanced design of porous symmetry, the formation of floc shear force and eddy current is reduced, and the loss of kinetic energy is reduced. Under the same measurement conditions, the permanent pressure loss is reduced by 2.5 times compared with the traditional throttling device, thus It saves considerable sports energy costs, is an energy-saving instrument, and is worthy of extensive use and promotion.
Not easy to block
Due to the balanced design of porous symmetry, the formation of floc shear force and eddy current is reduced, thereby greatly reducing the formation of stagnation dead zone, ensuring that the mixed gas can pass through multiple orifices smoothly, and it can be used for a long time without being blocked.
good long-term stability
Due to the obvious reduction of the flocculation shear force of the porous orifice flowmeter, the direct friction between the medium and the orifice is greatly reduced, so that the B value can remain unchanged for a long time, and the entire instrument has no moving parts, so it can maintain long-term stability.
Measurable media in complex working conditions
Due to the special structural design, it has special performance. It can measure gas-liquid two-phase, mud, and even solid particles. The porous orifice flowmeter can measure bidirectional flow.
The main technical parameters
Model: HJP-series
Medium range: gas, liquid, steam, gas-liquid mixed medium
Nominal diameter: DN15~3000
Human connection method: clamp connection, flange connection, pipe connection
Accuracy: ±0.5%
Repeatability: ±0.2%
Turndown ratio: 10:1
Requirements for front and rear straight pipe sections: front 3DN, rear 1DN
Applicable range of Reynolds number: 200~10000000
B value range: 0.25-0.85
Medium temperature range: -200ºC~-600ºC
Medium pressure range≤42Mpa
Material range: CS, 0Cr18Ni9, 316, 316L, HB, HC and other special materials according to user requirements
Flange standard: American standard, German standard, national standard and other special standards according to user requirements
Chongqing Hongxing Instrument Co., Ltd. is a high-tech industrial enterprise specializing in R&D, production, sales, and service of industrial automation instruments. The company has introduced advanced technology from developed countries, combined with its own years of industry experience, developed various automation control instruments and industrial automation process instruments, which have been widely used in metallurgy, chemical industry, electric power, light Industrial, thermal power, machinery, hydraulic, boiler, paper, pharmaceutical, and other industries.
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