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The MG9100 Series Orifice Flowmeter is a high range-down ratio throttling device, composed of an orifice plate throttling element and a multi-variable differential pressure transmitter. It is specially designed for measuring the flow rate of gases, steam and liquids, and is widely used in process control and measurement across various industries. The instrument features a simple and sturdy structure, stable and reliable performance, and a long service life. Its standard throttling device does not require real flow calibration, which greatly reduces installation and commissioning costs. The integrated orifice plate design simplifies installation, eliminating the need for pressure-leading pipes and enabling direct connection to differential pressure and pressure transmitters.

The flowmeter adopts high-quality wetted materials including carbon steel, stainless steel, HC, alloy steel, titanium and Monel alloy, which can adapt to various harsh working environments. It can measure all single-phase flows and some mixed-phase flows, with a range-down ratio of 10:1, meeting the flow measurement needs of different working conditions.
Equipped with a high-performance intelligent differential pressure transmitter, the MG9100 achieves a measurement accuracy of ±1.0%. The transmitter has a comprehensive self-diagnostic function, which can promptly detect device faults and ensure the reliability of measurement data. The instrument complies with international standards such as ISO-5167, AGA3 and GB/T 2624-2006, ensuring consistent and accurate measurement results.
The integrated orifice plate design eliminates the need for complex pressure-leading pipe installation, saving on-site space and installation time. The instrument has no moving parts, which reduces the frequency of maintenance and replacement, and lowers the overall operating costs for users.
General | ||||
Product | MG9100 Series Orifice Plate Flowmeter | |||
Measurement Parameters Liquids,gases,steam | ||||
Range Down Ratio 10:1 | ||||
Flange Diameter | DN25~DN3000 | |||
Diameter Ratio | 0.10≤β≤0.75 | |||
Wetted Materials | Carbon steel,stainless steel,HC,alloy steel,titanium,Monel alloy,etc. | |||
Environment | ||||
Operating Temperature | -50~1022°F(-50~550℃) | |||
Storage Temperature | -40~185°F(-40~85℃) | |||
Humidity | 0~100%relative humidity | |||
Pressure | ||||
Operation Pressure 0~420bar(0~42Mpa) | ||||
Type | Annular chamber or individual 9.5mm drilled orifice tapping,Flange tapping,Radius tapping at D-D/2,Corner tapping. | |||
Machinery | ||||
Flange Standard | HG20592,ANSI_B16.5,user-specified | |||
Normative Standards | ISO-5167,AGA3,GB/T 2624-2006,or equivalent | |||
In the chemical industry, the MG9100 is used to measure the flow rate of raw materials, intermediates and finished products in production processes, such as acids, alkalis and organic solvents. Accurate flow measurement helps to control the reaction ratio and improve product quality. In the petroleum industry, it monitors the flow of crude oil, refined oil and natural gas in pipelines, providing data support for production scheduling and trade settlement.
For thermal power plants, the flowmeter measures the flow rate of steam and cooling water, which is crucial for calculating power generation efficiency and optimizing energy consumption. In heating systems, it monitors the flow of hot water in pipelines, helping to adjust heating supply according to user demand and achieve energy-saving effects.
In water supply systems, the MG9100 measures the flow of tap water, ensuring the stable supply of water to residents and enterprises. In sewage treatment plants, it monitors the flow of influent and effluent, helping to calculate treatment efficiency and ensure compliance with discharge standards. The instrument’s corrosion-resistant materials make it suitable for measuring various types of wastewater.
In the food and beverage industry, it measures the flow of raw materials such as water, sugar and juice in production lines, complying with food hygiene standards. In the pharmaceutical industry, the flowmeter is used in the measurement of purified water and pharmaceutical raw materials, meeting the strict requirements of the pharmaceutical production process for accuracy and hygiene.
In the pulp and paper industry, the MG9100 measures the flow of pulp, water and chemicals, optimizing the papermaking process and reducing raw material waste. In the metallurgical industry, it monitors the flow of cooling water and molten metal auxiliary materials, ensuring the safety and efficiency of smelting processes.
It can measure gases, steam and liquids, including all single-phase flows and some mixed-phase flows.
No, the standard throttling device of the MG9100 does not require real flow calibration, which saves installation and commissioning time and costs.
It complies with HG20592, ANSI B16.5 standards, and can also be customized according to user requirements.
Are you in need of a high-precision and reliable flow measurement solution? The MG9100 Series Orifice Flowmeter offers excellent performance, wide applicability and low maintenance costs.Get a Custom Quote now to tailor the product to your specific needs, or Contact Our Experts for detailed technical consultation. We are committed to providing you with high-quality products and professional services to help you optimize your process control and improve production efficiency.