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turbine flow meter working principle

  • Caliber:DN4-DN200
  • Accuracy:±0.5%, ±1.0%
  • Medium temperature:-20～80°C
  • Output:4-20mA,Pulse
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 Introduction:

Turbine flow meter consists of turbine flow sensor and display instrument and it is made by us using foreign state-of-the-art technologies, which is an ideal gauge for measuring of liquid flow. The flow meter is characterized by simple structure, high precision and easy installation and repair. The product may be used in a wide range of industries, including oil industry, chemical industry, metallurgy, water supply, paper-making, environment protection and food industry. 

 

Features:

   ♦  Have good performance on antiy-seismic and surgin flow
   ♦  High accuracy,±0.5% of rate or ±1.0% of rate
   ♦  Adopte micro-power technology,power consumption is low,it could be powered by battery
   ♦  Small loss of pressure,fine repeat
   ♦  Simple and firm structure, easy for installation and dismantling.
   ♦  Wide range of measuring with very lower flow velocity limit.
   ♦  High resistance to electromagnetic interference and vibration
   ♦  Turbine flow meter adopt new type sensor with lower pressure loss,starting flow is small-corrosion with long term work life
   ♦  The sensor is with hard alloy bearing thrust type, which may guarantee the precision and improve the wear resistance performance as well.


 







 
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turbine flow meter (1)

turbine flow meter (2)

  • Flow measurement of tap water, demineralised water and chemicals.
  • Fuels, marine engine fuel monitoring, vegetable oil, thermal oil and solvents.
  • Special models for refrigerants, pharmaceutical fluids, cryogenic fluids, liquefied gases and high-pressure applications.

turbine flow meter (3)

 

A turbine flow meter is used for volumetric total flow and/or flow rate measurement and has a relatively simple working principle.

 

As fluid flows through the turbine meter, it impinges upon turbine blades that are free to rotate about an axis along the center line of the turbine housing.

 

The angular (rotational) velocity of the turbine rotor is directly proportional to the fluid velocity flowing through the turbine.

 

The resulting output is taken by an electrical pickoff(s) mounted on the flow meter body.

 

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     Technical Performance Parameters

 

Size & Process Connection

Thread connection:DN4,6,10,15,20,32,40,50,65,80,100

Flange connection:DN15,20,32,40,50,65,80,100,125,200

Clamp connection:DN4,6,10,15,20,32,40,50,65,80,100
Accuracy ±0.5%, ±0.2% Optional
Sensor Material SS304, SS316L Optional
Ambient Conditions

Medium temperature:-20℃~+150℃

Atmospheric pressure:86Kpa~106Kpa

Ambient temperature:-20℃~+60℃

Relative humidity:5%~90%
Signal Output

Pulse, 4-20mA, Alarm(optional)
Digital Communication RS485, MODBUS; HART
Power Supply

24V DC/3.6V Lithium Battery
Cable Entry M20*1.5; 1/2"NPT
Explosion-proof class Ex d IIC T6 Gb
Protection class IP65; IP67 Optional

 

     Flow Range

 

Diameter

(mm)

Standard Range

(m3/h)

Extended Range

(m3/h)

Connection Standard(Optional)

Standard Pressure

(Mpa)

Customized Pressure Rating(Mpa)
DN4 0.04~0.25 0.04~0.4 Thread 6.3 12,16,25...42 
DN6 0.1~0.6 0.06~0.6 Thread 6.3 12,16,25...42 
DN10 0.2~1.2 0.15~1.5 Thread 6.3 12,16,25...42 
DN15 0.6~6 0.4~8 Thread(Flange) 6.3,2.5(Flange) 4.0,6.3,12,16,25...42 
DN20 0.8~8 0.45~9 Thread(Flange) 6.3,2.5(Flange) 4.0,6.3,12,16,25...42 
DN25 1~10 0.5~10 Thread(Flange) 6.3,2.5(Flange) 4.0,6.3,12,16,25...42 
DN32 1.5~15 0.8~15 Thread(Flange) 6.3,2.5(Flange) 4.0,6.3,12,16,25...42 
DN40 2~20 1~20 Thread(Flange) 6.3,2.5(Flange) 4.0,6.3,12,16,25...42 
DN50 4~40 2~40 Thread(Flange) 2.5 4.0,6.3,12,16,25...42 
DN65 7~70 4~70 Flange 2.5 4.0,6.3,12,16,25...42 
DN80 10~100 5~100 Flange 2.5 4.0,6.3,12,16,25...42 
DN100 20~200 10~200 Flange 1.6  4.0,6.3,12,16,25...42 
DN125 25~2500 13~250 Flange 1.6  2.5,4.0,6.3,12,16...42
DN150 30~300 15~300 Flange 1.6  2.5,4.0,6.3,12,16...42
DN200 80~800 40~800 Flange 1.6  2.5,4.0,6.3,12,16...42

 

turbine flow meter (12)

turbine flow meter (13)

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turbine flow meter (15)

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