Metal Rotameter Flowmeter
Your Professional Metal Rotameter Flowmeter Manufacturers
HY Field Instrument Co., Ltd. has been focusing on field instruments for more than ten years. Our product lines include flowmeters, level meters, pressure transmitters, analytical instruments, etc. The main products include electromagnetic flowmeter, Coriolis mass flowmeter, vortex flowmeter, ultrasonic flowmeter; radar level meter, ultrasonic flowmeter, capacitive pressure transmitter, online density meter, etc.
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Metal Rotameter Flowmeter for Gas Or LiquidRead More
Flowmeter Model: SH250. Medium to be measured: liquid、gas、steam. Measuring range: See Section 2.2
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Positive Displacement FlowmeterRead More
Flowmeter Model: SH250. Medium to be measured: liquid、gas、steam. Measuring range: See Section 2.2
Why Choose Us
Advanced Production Equipment
Automatic welding machines, laser welding machines, argon arc welding machines, electric heating constant temperature ovens, spot welding machines, high and low temperature test chambers, calibration systems, etc. from well-known suppliers can ensure high-precision production of instruments.
Comprehensive Service
We provide professional product introduction, technical exchange, product design, troubleshooting, and other services. At the same time, technical and inspection personnel will conduct return visits to customers to continuously improve product experience.
Reliable Product Quality
Our company has passed ISO9001 certification, and our products have obtained CE, Exploreproof, Atex, and other certifications, with very high reliability.
Sales Market
Our products are exported to more than 80 countries and regions including the United States, Germany, France, Italy, Brazil, Chile, Vietnam, Saudi Arabia, and the United Arab Emirates, and have reached annual sales of more than 5 million US dollars.

- Metal tube rotameter gives full play to its advantages in small diameter, low flow rate of the medium flow measurement.
- Simple structure, reliable operation, wide range of applications, accurate measurement, easy installation. The product is widely used in chemical, food, pharmaceutical and other industries.
- Rotameter flowmeter has ordinary type and anti-corrosion type. The above two types are further divided into field indication type and electric remote transmission type.
- If the measured medium is easy to crystallize or freeze. Can also use metal rotor flowmeter with steam tracing.
- If the measured medium contains magnetic objects. Can be installed at the entrance of the flowmeter magnetic filter. Its material is the same as the corresponding flowmeter material.
- The overall structure of the metal tube rotameter is made of metal. So it is more sturdy, not easy to be damaged by external factors. It can withstand high temperature of 400℃, and has the characteristics of explosion-proof and anti-corrosion.
- Used for gas and liquid measurement in various industries, the measuring part can be made of different materials to adapt to different media conditions.
Application of Metal Rotameter Flowmeter
Oil & Gas Industry
In oil and gas refineries, metal tube rotameters monitor the flow of crude oil, natural gas, and other hydrocarbons.Their power to handle high pressures makes them suitable for pipelines and wellheads.
01
Chemical Processing
Metal tube rotameters, resistant to corrosion and capable of withstanding challenging conditions, are frequently used to monitor the flow of chemicals and process liquids.
02
Waste water treatment
Metal tube rotameters are used in wastewater treatment facilities to measure the flow of water and chemicals for disinfection and pH adjustment processes.
03
Pharmaceutical Industry
In controlled environments, metal tube rotameters help monitor the flow of solvents, water, and other process fluids essential to pharmaceutical production.
04
Food & Beverage Industry
Metal tube rotameters that meet sanitary standards are used to measure the flow of ingredients and additives in food and beverage production lines.
05
A Metal Tube Flow Meter is a variable area flow meter. It consists of measuring tube, float, indicator, process connection, and so on.

Rotameter flow meter working principle
When the measured fluid passes through the annulus formed by the cone and floats from the bottom to top.
The differential pressure produced at the upper and lower ends of the float forms the force for the float to rise.
When the rise of the float is greater than the weight of the float immersed in the fluid. The float rises.
The annulus area increases accordingly. The fluid velocity in the annulus drops immediately.
The differential pressure at the upper and lower ends of the float is reduced. The lifting force acting on the float also decreases.
Until the rising force equals the weight of the float immersed in the fluid, the float will stabilize at a certain height.
The height of the float in the tapered tube and the flow rate through it correspond to each other.
Specification of Metal Rotameter Flowmeter
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Product |
Metal Tube Rotameter |
|
Model |
MIK-LZ |
|
Range |
Water (20℃) (01~200000) L/h Air (20,0.1013MPa) (0.03~3000) m³/h |
|
Range ratio |
Standard 10:1 Optional 20:1 |
|
Accuracy |
Standard: 1.5% Optional:1% Gas: 1.5% |
|
Pressure |
Standard:DN15~DN50≤4.0MPa DN80~DN200≤1.6MPa Optioanl: DN15~DN50≤32MPa DN80~DN200≤16MPa |
|
Connection |
Flange, Clamp, Thread, Sanity thread |
|
Medium temperature |
Standard: -20℃~120℃ PTFE 0℃~80℃ High temp: 120℃~450℃ low temp: -80℃~-20℃ |
|
Environment temperature |
Remote type: -40℃~85℃ Pointer type/local alarm type -40℃~100℃ |
|
Power supply |
Standard type: 24VDC two-wire system (4-20) mA (12VDC~32VDC) Alarm type: 24VDC multi-wire system (4-20) mA (12VDC~32VDC) AC type: (100~240) VAC 50Hz~60Hz Battery type: 3.6V@9AH lithium battery |
|
Load resistance |
RLmax: 600Ω |
|
Alarm Output |
Upper and lower limit instantaneous flow alarm Local alarm type: upper limit, lower limit or upper and lower limit instantaneous flow alarm (Contact capacity 1A@30VDC) Upper limit and lower limit alarm hold range is a maximum of 60% of range, and the minimum interval between upper and lower limit alarms is 10% of range |
|
Pulse output |
Cumulative pulse output is output of optocoupler signal isolation Darlington tube (internal 24VDC power supply, maximum current 8mA) |
|
Ingress protection |
IP65 |
Custom Made
- Customized logo (Min. order: 1 piece)
- Customized packaging (Min. order: 1 piece)
- Graphic customization (Min. order: 1 piece)
- Color (Min. order: 1 piece)
- Flange (Min. order: 1 piece)
- Material (Min. order: 1 piece)
Packaging & Shipping

FAQ
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Metal Rotameter Flowmeter for Gas Or Liquid, Metal Rotameter Flowmeter, Positive Displacement Flowmeter


