KVAF Intelligent Metal Tube Float Flow MeterDetailed product description：

The KVAF intelligent metal tube float flowmeter is a flow meter produced by our company using the latest technology. Intelligent metal tube float flowmeter is a commonly used variable area flow measurement instrument in industrial automation process control. It has the characteristics of small size, large detection range, and easy use. It can be used to measure the flow rate of liquids, gases, and vapors, especially suitable for measuring the flow rate of low velocity and low flow media. For many years, metal tube float flowmeters have been widely used in industries such as petrochemicals, steel, electricity, metallurgy, light industry, food, pharmaceuticals, and water treatment due to their excellent performance and reliability, as well as good cost-effectiveness. They are applied in the measurement and process control of liquids, gases, and steam media in the industry.

Scope of application
Suitable for flow measurement of small caliber and low velocity media

Technical parameters of KVAF intelligent metal tube float flowmeter
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measurement range
Water (20 ℃) 1~200000 1/h Air (20 ℃, 0.1013MPa) 0.03~4000 m3/h Refer to the flow chart, special flow rates can be customized
Range ratio: Standard type 10:1 Special type 20:1
Accuracy: Standard Type 1.5 Special Type 1.0
pressure rating
P1: 1.6Mpa(DN80~DN200) P2: 4.0Mpa(DN15~DN50) P3: 16Mpa(DN80~DN200) P4: 25Mpa(DN15~DN50) The pressure rating of the jacket is 1.6Mpa
Pressure loss: 7KPa~70KPa
medium temperature
Standard type (E): -80 ℃ to+200 ℃; PTFE: 0 ℃~85 ℃ High temperature type (H): -80 ℃~+300 ℃
medium viscosity
DN15:η<5mPa.s(KV15.1～KV15.3) η<30mPa.s(KV15.4～KV15.8) DN25:η<250mPa.s DN50～DN150:η<300mPa.s
Ambient temperature
LCD type -30 ℃~+65 ℃ local indication type -40 ℃~+80 ℃
connection type
Standard type: HG20594, HG20595 Special type: Standard flange specified by the user
Cable interface: M20 * 1.5
power supply
Standard type: 24VDC two-wire system 4-20mA AC type: 85-265VAC 50HZ battery type: 3.6V@7.5AH Lithium battery, with a continuous service life of more than three years
Output signal: 4-20mADC
alarm output
Upper or lower limit instantaneous flow alarm collector open circuit output: maximum 100mA@30VDC Impedance 100 ohms relay output: Contact capacity: 1A@30VDC or 0.25A@250VAC or 0.5A@125VAC
Pulse output: Accumulated pulse output, minimum interval of 50 milliseconds
LCD (Liquid Crystal Display)
Instantaneous flow display value range: θ 50000 Cumulative flow display value range: θ 99999999 (with decimal point)
Protection level: IP65
Explosion proof mark: Intrinsic safety type Exia II CT5 Explosion proof type: Exd II BT6
Optional two-wire system, battery, AC power supply mode
Multi parameter calibration function
Equipped with data recovery, data backup, and power down protection functions