Compact Positive Displacement Flowmeter Spiral Vortex Design
Product Details
| Measurement Principle: | Positive Displacement | Fluid Type: | Liquids Including Viscous Fluids |
|---|---|---|---|
| Fluid Type: | Liquids Including Viscous Fluids | Connection Type: | Flanged, Threaded, Or Sanitary Connections |
| Maintenance: | Low Maintenance With Easy Disassembly | Output Signal: | Pulse, Analog, Or Digital |
| Operating Pressure: | Up To 40 Bar (varies By Model) | Operating Pressure: | Up To 40 Bar (varies By Model) |
| Power Supply: | 24 VDC Or Battery Powered Options | Application: | Oil, Chemical, Food And Beverage |
| Material: | Stainless Steel, Aluminum, Or Cast Iron | Installation Orientation: | Horizontal Or Vertical |
| Installation Orientation: | Horizontal Or Vertical | ||
| Highlight |
Spiral Vortex Flowmeter,Compact Positive Displacement Flowmeter,Spiral Vortex Flow Meter |
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Product Description
Spiral Vortex Flowmeter With Wide Range Ratio And Strong Anti-Interference Ability For Gases And Steam
The spiral vortex flowmeter is a high-precision velocity-type flow measurement instrument based on fluid dynamics principles. It measures flow by detecting the swirl frequency generated when the fluid passes through the helical guide vanes.
- High Precision: Typical accuracy can reach ±0.5% to 1.5%, with repeatability better than ±0.2%, suitable for trade settlement.
- Wide Range Ratio: The range ratio can reach 1:15 to 1:20, capable of measuring flow velocities as low as 0.3 m/s.
- Strong Anti-interference Ability: Utilizes dual sensor technology and digital filtering algorithms to effectively suppress pressure fluctuations and mechanical vibration interference.
- Compact Structure, Relatively Easy Installation: Compared to volumetric flowmeters of the same caliber, they are usually smaller in size and weight.
- Integrated Temperature and Pressure Compensation, Direct Output of Standard Volume: Can be equipped with built-in temperature and pressure sensors to directly calculate volume flow or mass flow under standard conditions, which is particularly important for gas measurement.
| Characteristics | Spinning Vortex Flowmeter | Volumetric Flowmeter (Oval Gear/Wafer Gear/Twin Rotor) |
|---|---|---|
| Principle | Fluid vibration (vortex oscillation frequency) | Mechanical volumetric displacement (fixed volume counting) |
| Internal Structure | No mechanical moving parts (only fixed blades and sensors) | Has precise mechanical moving parts (gears, rotors) |
| Emphasized Advantages | High reliability, long service life, suitable for dirty gases | High accuracy, insensitive to viscosity, no need for straight pipe sections |
| Emphasized Disadvantages | Requires straight pipe sections, sensitive to vibration, medium to high pressure loss | Prone to solid particles (can get stuck), high pressure loss, mechanical wear |
| Main Applications | Gases, steam | High viscosity liquids (such as crude oil, heavy oil) |
The helical vortex flowmeter is particularly suitable for the measurement of gases and steam, and can also be used for the measurement of some liquids.
- Natural gas measurement: urban gas, station pressure regulating boxes, industrial gas furnaces, etc., are its most classic and widely used application fields.
- Industrial gases: compressed air, nitrogen, oxygen, carbon dioxide, biogas, etc.
- Steam measurement: trade settlement and energy consumption management of saturated steam and superheated steam.
- Petrochemical industry: various process gases, flare gas, etc.
- Liquid applications: it can be used for non-corrosive, low-viscosity liquids such as tap water, but its application is not as widespread as that for gases.
The helical vortex flowmeter is a robust and durable flow measurement instrument based on fluid mechanics principles. It has dominated the gas and steam metering fields due to its design without moving parts, wide range ratio, and direct output of frequency signals. Although it has certain requirements for installation conditions (straight pipe sections) and pressure loss, its high reliability and excellent overall performance make it a very popular choice in industrial processes.
Product Highlights
Spiral Vortex Flowmeter With Wide Range Ratio And Strong Anti-Interference Ability For Gases And Steam The spiral vortex flowmeter is a high-precision velocity-type flow measurement instrument based on fluid dynamics principles. It measures flow by detecting the swirl frequency generated when the ...
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