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technical article
Technical requirements for balanced flowmeter
2012-1-16 10:19:11

对传统节流装置进行了极大的改进,具有平衡整流的显著特征。 The balanced flowmeter has greatly improved the traditional throttling device, and has the remarkable characteristics of balanced rectification. The traditional throttling device has only one flow aperture, and the fluid loses its ideal state after throttling;

The balanced flowmeter has multiple function apertures, which can balance and rectify the flow field to the ideal fluid to the maximum extent, so that the advantages of the differential pressure flowmeter can be brought into full play. Balanced flow meters are suitable for almost all fluid measurement

Volume is a revolution in fluid measurement technology. At present, balanced flow meters have been widely used in petroleum, chemical, metallurgy, power, natural gas, water treatment and other industries.

The symmetrical and balanced design of the balanced flow meter reduces the formation of eddy currents and turbulent friction, and reduces the loss of kinetic energy. Under the same operating conditions, compared with traditional throttling devices, the pressure loss is 70% less, which is close to the venturi ,

As a result, considerable operating costs have been saved, and it is worth a lot of promotion. Can be applied to the measurement of gas, liquid, gas-liquid two-phase, liquid gas, two-way flow, dirty media, slurry.

的技术要求: Technical requirements for balanced flowmeters :

1. Pipe diameter range: DN15 ~ DN3000

2. Accuracy: ± 0.3%, ± 0.5%, ± 1%

3. Straight pipe requirements: 0.5D ~ 2D

4. Permanent pressure loss: 1/3 ~ 1/4 of orifice plate

5. Range ratio: 10: 1, suitable working condition data can be wider 6. Repeatability: 0.1%

7. Re range: 200 ~ 107

8. β range: 0.25 ~ 0.9

9, temperature range: the temperature that the metal pipeline can withstand, up to 850 ℃

10, pressure range: the pressure that the metal pipeline can withstand, up to 42MPa

11. Dirt resistance: special design and calculation. 12. It can measure bidirectional flow balance flowmeter. Combining the porous rectifier and measuring orifice plate into one to maximize the balance of the flow field to the ideal state, thereby the differential pressure flow. The advantages of design come into play. Balanced flow meters are almost suitable

All fluid measurement, processing, manufacturing and installation can be standardized like orifice plates, and verification can also easily achieve dry standard, which is expected to become a new international standard for throttling devices.

Product Principle


是一种革命性的差压式流量仪表,其工作原理与其他差压式流量计一样,都是基于密封管道中的能量转换原理:在理想流体的情况下管道中 The balanced flow meter is a revolutionary differential pressure flow meter. Its working principle is the same as other differential pressure flow meters. It is based on the principle of energy conversion in a sealed pipeline: in the case of an ideal fluid in the pipeline

The flow rate is proportional to the square root of the differential pressure; the flow rate in the pipeline can be calculated by measuring the differential pressure value according to the Bernoulli equation. The balanced flow sensor is a porous disc throttling rectifier installed on the cross section of the pipeline.

The size and distribution of each hole is customized based on special formulas and test data, called function holes. When the fluid passes through the function holes of the disc, the fluid will be balanced and rectified, and the vortex will be minimized to form an approximately ideal fluid.

By taking the pressure device, a stable differential pressure signal can be obtained, and the volume flow and mass flow are calculated according to Bernoulli's equation