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Xuzhou Ouke Instrument Co., Ltd.

Magnetic Flow Meter, Electromagnetic Flow Meter, Water Flow Meter manufacturer / supplier in China, offering Positive Displacement Rotary Vane Flow Meter, Tin Coated Round Tube Type Wood Plug Cutter, JIS HSS Taper Pipe Screw Taps (PT/PS) and so on.

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Positive Displacement Rotary Vane Flow Meter

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Production Capacity: 5, 000, 00PCS/Year
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: LBTC
  • Structure Type: Karman Vortex
  • Output Signal Type: Digital Type
  • Material: Metal
  • IP Rating: IP67
  • Customized: Customized
  • Usage: Liquid Level Sensor
  • Trademark: ouke
  • Specification: CE
  • HS Code: 9026100000
  • Type: Flow Meter
  • Measuring Medium: Liquid
  • Production Process: SemiConductor Integrated
  • Accuracy Grade: 1.0% Fs (Diameter of Dn15 and Dn 20 Is 2.0% Fs)
  • Certification: CE
  • Output: Two Wires,4 to 20mA DC+ Hart
  • Theory: Faraday′s Law of Electromagnetic Induction
  • Transport Package: Carton
  • Origin: China
Product Description

Positive Displacement Rotary Vane Flow Meter

 

 

Product Description

 Summary

LBTC positive displacement rotary vane flow meter belongs to positive displacement meter and is one of the most accurate measuring meters for measuring liquid of modern industry. The flow meter has stable performance and is insensitive to flow state change of upstream medium and change of medium viscosity. It has high measuring accuracy,good applicability and long life. Now it has widely used for every field such as process control of modern industry and trade settlement, etc.
 

Principle

There are two or three couples of rotary vanes, they slide radially along grooves in the barrel-type rotor. With
the action of flowing pressurized fluid, pushing the rotary vanes and the rotor rotates around its axis. Rotary vanes
continuously divide the flowing fluid into an individual volume, using drive gear and counting mechanism calculate and indicate the total delivery of the fluid. The process as follows: when the rotary vanes are at the state as figure 1.1,vane A and D stretch out from the rotor and contact the inwall of measuring chamber while vane B and C retract back completely into rotor. With the fluid entering into the meter, it pushes the vanes and the rotor rotating clockwise. When the rotor and vanes run 1/8 circle, the vanes stop at the position as shown in figure 1.2, vane A stretches completely, vane D begins to retract back, vane C is still in completely contraction state, while vane B begins to stretch out. When the rotor and the vanes run a 1/4 circle, the vanes are in the positions as shown in figure 1.3. The vane A and B both completely stretch out, the space which is composed of the two vanes, rotor, the meter case bore, the upper cover and lower cover is full of measuring fluid. When the rotor and the vanes are in the position as shown in figure 1.4, the fluid in the space begins to be released with the vane A withdrawing gradually. Meanwhile, the vane C begins to stretch out, another new exactly measuring fluid volume between the vane B and C begins to form gradually. So when four vanes rotate around the whole circle is 4 times of volume. ( the meter has three pairs vanes, 6 space volumes will be drained) it realizes fluid measurement.

Positive Displacement Rotary Vane Flow Meter
 

 

 

  Main technical parameters

 

1.Intrinsic Error:0.2%;0.5%

2.Nominal Diameter (mm):25mm;50mm;80mm;100mm;150mm;200mm;250mm;300mm;

3.Nominal Pressure:2.5MPa;4.0MPa; 6.4MPa;
4.Flow Rate Range:

 

Nominal Diameter255080100150200250300
Intrinsic Error %0.20.50.20.50.20.50.20.50.20.50.20.50.20.50.20.5
Min. Flow m3/h318525183525604010080120110300200
Max. Flow m3/h68203565809011512015018024035055090010

 

5.Operation Temperature: -20.C ~ +250.C;(special temperature should indicate.)
6.Fluid Viscosity: 0.6~500mPa.s ( kinematic viscosity)
7.Pressure loss: no more than 0.1MPa(such as nominal diameter is DN80)
8.Min. Indication Unit: For equipped with mechanical header, subject to the model of selected header.
For equipped with intelligent header: 0.001m3
9. Integrated Flux: For equipped with mechanical header, subject to the model of selected header.
For equipped with intelligent header: 99999.9999 m3
10. Coefficient of theoretical instrument: only for equipped with intelligent meter.

Nominal diameter DN255080100150200250
Coefficient of theoretical instrument N/L18.8686.9933.6572.3571.6341.4830.841
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