Orifice meter
Orifice meter
Product Description
In the production processes of industries such as petroleum, chemical, metallurgical, power, light industry, textile, scientific research, and military, various types of throttling devices are still widely used for measuring, controlling, and regulating fluid flow. Although new instruments such as electromagnetic flow meters and vortex flow meters have emerged in recent years, the throttling device still has an absolute advantage in terms of usage due to its simple structure, firmness, reliable operation, stable performance, moderate accuracy, and low price. The matching instrument of the throttling device - differential pressure transmitter converts the differential pressure generated by the throttling device into a current standard signal (4-20mA. DC), and the specifications and varieties of differential pressure transmitters are very rich, which can adapt to various user needs. Especially with the integration of intelligent differential pressure transmitters and throttling devices that have recently emerged, it not only brings great convenience and benefits to installation, but also allows users to automatically compensate for temperature and pressure, diagnose faults, have a wide range of ranges, adjust on-site ranges, and communicate with the upper computer, thereby expanding the applicability of throttling devices.
The throttling device includes standard orifice plate, balance flowmeter, annular orifice plate, spray, classic Venturi tube, Venturi nozzle, circular orifice plate, eccentric orifice plate, integrated throttling flowmeter, V-cone flowmeter, limiting orifice plate, internal orifice plate, sonic nozzle, uniform velocity tube flowmeter, bar flowmeter, etc. When the Reynolds number of the fluid is low or contains impurities, non-standard throttling devices can be selected.
Product features:
① Simple and sturdy structure: adopting standardized orifice plate design, easy to replicate, high mechanical strength, and long service life.
② Easy installation and maintenance: The integrated design allows direct connection to differential pressure transmitters without the need for pressure pipes, and the flange clamping structure is suitable for quick installation of pipelines.
③ Wide measurement range: It can measure single-phase flows such as gas, steam, liquid, and natural gas, and is also applicable to some mixed phase flows.
④ Stability and reliability: Based on the Bernoulli equation principle, the differential pressure signal is linearly related to the flow rate, and the performance is less affected by changes in the physical properties of the medium.
⑤ Resistant to extreme working conditions: Standard throttling components can be made of corrosion-resistant materials such as stainless steel, suitable for high-temperature and high-pressure environments such as petroleum and chemical industries.
⑥ No need for actual flow calibration: It complies with standard specifications such as GB2426, has completed measurement calibration before leaving the factory, and can be directly put into use.
⑦ High cost-effectiveness: Compared to other differential pressure flow meters, it is more affordable and suitable for large-scale industrial applications.
⑧ Multi functional integration: It can be paired with temperature/pressure transmitters to form a multi parameter measurement system, achieving precise flow compensation.
