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Ultrasonic Gas Flowmeter

Ultrasonic Gas Flowmeter (MUGF-SB)

Item No.: 32
Ultrasonic gas flowmeter can be extensively applied to the supply, transmission, distribution of most dry gas in fields such as air storage, power stations, petrochemical industry, aluminum melters etc.
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Description Specifications Installation


The MUGF-SB Ultrasonic gas flowmeter is based on the principle of acoustic transit time to calculate the average gas move velocity by measuring upstream and downstream time, in which the ultrasonic waves generated by a pairs of by-directional transducers assembled with an angle respect to axis.

  • No moving parts, low pressure drop, long life span;
  • Bi-directional measurement;
  • Simple installation, easy maintenance;
  • High accuracy and good reliability;
  • Ex-proof: Exd(ib)IIBT4 (exclude ecetylene);
  • Temperature and pressure compensation;
  • Suitable for small flowrate and large size pipe.
 

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Principle Time difference
Accuracy ±0.5%, ±1.0%, ±1.5%
Diameter DN25mm~DN300mm
Channel number 1~4
Turn-down Ratio >1:30
Measured medium Gas
Measured parameters Working flow rate
Standard flow rate
Temperature (with temperature compensation sensor)
Pressure (with pressure compensation sensor)
Velocity of sound
Output Signal Pulse (0~2KHz)
4-20mA (200Ω~600Ω)
Communication Modbus-RTU
Protection IP65
Explosion type ExdibⅡBT4
Working temperature -40℃ ~+85℃
Max. overload flowrate 120%
Power supply 9~36VDC (≤7W)
Nominal pressure (1.6~42)MPa


 

1. Installation type
Generally, the flowmeter should be installed horizontally. The length of pipe line both up stream and down stream of flowmeter is no less than10 DN. When install flowmeter in other mode, it should be installed where pipe upward, in case of water to be left in meter body. Direction of medium flow should be the same as marked arrow. No leakage is allowed at joints between pipes and the sealing washer can't protrude into the pipe which would change the current flow and give rise to vortex that could influence the accuracy of flowmeter.






2. Pipe requirements 
Make sure the straight pipes upstream and downstream is clean inside without any dents, rust, and delamination etc. There should be no obstacles or branch pipes except pressure tap, and thermowell in those pipes. Plus, flanges and pipes upstream and downstream should have same inside diameter and be smooth at joints.