Technical Expertise

Pump Accuracy

Pumps should be consistently accurate to ensure the application remains efficient and profitable. Processes that are repeated day in and day out have the potential to fall out of scope or become unsafe as; components wear out, a change in temperature alters the consistency of the pumping fluid, contaminants enter the process, or there is a change in the handling processes design. Therefore, maintaining pump accuracy is essential and below we explore in more detail the wider impacts of inaccurate pump performance.

Why it is important to maintain pump accuracy

Process Efficiency

Pump accuracy ensures that the desired flow rates and pressure levels are consistently achieved. This is crucial in industries such as manufacturing, chemical processing, and water treatment, where precise control of fluids is vital for product quality and process optimisation.

Energy Efficiency

Accurate pumps consume less energy. Inaccurate or inefficient pumps can lead to overconsumption of power, resulting in higher operational costs and environmental impacts. By maintaining accuracy, you can minimise energy waste and reduce operating expenses.

Product Quality

In industries like pharmaceuticals and food production, even small variations in the flow rate or composition of materials can lead to compromised product quality. Accurate pumps help maintain the integrity of the final product and ensure it meets industry standards and regulatory requirements.

Safety and Reliability

In sectors like oil and gas, mining, and petrochemicals, pump accuracy is crucial for safety. Any deviation from the required flow rate or pressure can lead to equipment failure, leaks, or even catastrophic accidents. Maintaining pump accuracy minimises these risks, enhancing overall system reliability.

Cost Savings

Accurate pumps reduce the need for maintenance, repairs, and replacements. By minimising downtime and extending the lifespan of equipment, businesses can realise substantial cost savings in the long run.

Process Control and Automation

In modern industries, automated systems rely heavily on accurate pump performance to maintain consistent and predictable operations. Maintaining accuracy is crucial for maintaining process control and minimising manual intervention.

Environmental Impact

Accurate pumps help manage the use of resources, preventing wastage and minimising environmental impact. Reducing the discharge of excess materials or energy into the environment contributes to sustainability and regulatory compliance.

Frequently Asked Questions

Q: What are the symptons of a pump being inaccurate?

A: This can range from the obvious with batched amounts being different when dispensing volumes into containers, to subtle changes such as pumps operating noisily or differences in results ranging from inconsistencies in mixtures, to wastewater not being treated effectively with water remaining cloudy instead of being clarified.

Q: Are some pump types more accurate than others?

A: Yes – positive displacement pumps offer the highest accuracy when metering or dosing fluids due to a fixed volume of displacement being made per revolution of operation. Centrifugal pumps are no where near as accurate and require operation in conjunction with a flowmeter to remain accurate as there performance alters according to pressure.

Q:How does viscosity affect pumping accuracy?

A:High viscosity fluids flow less easily and more time is required for fluids to enter the pump head. If insufficient time is given for high viscosity fluids to enter pump housings then chambers inside internal pump parts will not fill completely, leading to inconsistency in flow rates. If the viscosity of a fluid is beyond the capability of a pump it can lead to inefficiency meaning recirculation within the pump head known as pump slip, clogging of the pump inlet and inability of the pump to transfer the fluid.

Q:How does temperature affect pump accuracy?

A:Providing the fluid temperature and viscosity are within the handling range of the pump there should be no issues with pump accuracy. However if temperatures exceed acceptable levels it can cause pump parts to swell altering dispensed amounts, cause recirculation within the pump and potentially leakage.

Maintaining pump accuracy is not merely a matter of operational convenience but a fundamental requirement for numerous industries. It ensures the efficient, safe, and cost-effective management of fluids, contributing to product quality, environmental responsibility, and the overall success of industrial processes. Regular maintenance, calibration, and monitoring of pumps are necessary to uphold accuracy, minimize downtime, and optimise performance across a wide range of pumping applications.

To discuss your pump requirements call us or complete our online enquiry form and one of our process specialists will be in touch.