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An orifice plate flow meter is a device with a hole in it, the function of which is for measuring volume flow rate, restricting flow, or reducing pressure. The device is applicable for common measurements in clean liquid, gas, and stream flow. It’s compatible with any pipe diameter and is known as an economical flow measurement solution on bigger line sizes.
An orifice meter determines a gas or liquid flow-rate by using the Bernoulli's principle, which acknowledges the relationship between the pressure and the velocity of the fluid. The device is installed in the flow pathway, allowing the fluid to pass through it. As a pressure drop occurs between the inlet and outlet section of the device, the magnitude of the drop will be used as a basis for calculating the flow rate. This working principle is identical to that of venturi meter.
Medium |
Gas/Steam |
Liquid |
Accuracy |
Orifice flow meter:±1.5% |
Orifice flow meter:±1.0% |
Repeatability |
0.2% |
0.1% |
Nominal diameter |
DN10-DN3000 |
|
Range ratio |
≥10:1 |
|
Operating pressure |
≤42MPa |
|
Medium temperature |
≤800℃ |
|
Straight pipe requirement |
Orifice flow meter:Upstream pipe 5-8D,downstream pipe4-8D |
Below are the advantages of using orifice plate flow meter:
Silver Automation Instruments offer low price cost and rugged orifice meter from China orifice plate flow meter manufacture with more than 30 years manufacture experience.
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