Any type of positive displacement pump can be used for metering, because PD pumps have a linear flow rate with RPM/SPM. A positive displacement pump allows a small change in flow due to pressure fluctuations, while being capable of high pressure.
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Any type of positive displacement pump can be used for metering, because PD pumps have a linear flow rate with RPM/SPM. A positive displacement pump allows a small change in flow due to pressure fluctuations, while being capable of high pressure.