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What are the installation and usage instructions for asphalt flow meters?

2024-03-11
 What are the installation and usage instructions for asphalt flow meters?
 
A filter should be installed in front of the instrument to prevent impurities from entering the meter. The flow rate in the pipeline should not increase or decrease suddenly, and phenomena such as pipeline vibration, hydraulic shock, and sudden pressure fluctuations should be avoided.
 
If the viscosity of the liquid used by the user is greatly different from this, the double-layer gear can be replaced. It is strictly forbidden to sweep steam and water through the instrument.
 
Fluid temperature changes also cause additional errors due to viscosity effects. In addition, the increase in temperature also causes the volume of the crescent space to increase, causing the instrument to "go slowly". When the measuring chamber is made of cast iron and the oval gear is made of cast aluminum, the additional error is +0.14%/100°C. The instrument should be installed on the pump At the outlet end, the flow regulating valve should be installed downstream of the instrument.

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