Clean Works have been using the Danish company Grundfos’s SMART digital dosing, as part of repurposing to sanitise critical protection masks in the fight against COVID-19.

From Fruit to Mask Sanitisation
To get their sanitation equipment out to front-line health workers, Ontario-based Clean Works repurposed a cleaning process originally designed to sanitise fruits and vegetables.

Normally, Clean Works use the Clean Flow Mini machine to sanitise produce.

Now, their machine has been approved by Health Canada to be sent to healthcare facilities so they can start reusing N95s. A critical piece of personal protection equipment for people who may be exposed to COVID-19.

The Clean Flow Mini
A key component of the Clean Flow Mini is a chemical metering pump to provide continuous dosing of their sanitation solution.

Precise control of the dosing levels and constant spray is essential to effective sanitation, whether sanitising produce or PPE plastic.

Early on, Clean Works faced some challenges in this area.

“Pulsation was a big issue with the previous pump manufacturer,” said Joe Symons, General Manager of Clean Works.

“We needed a fully integrated solution that could deliver the needed accuracy and precision, while communicating with the PLC controls,” Symons added.

The Difference in Using Grundfos SMART Pumps
By using stepper motor technology, the Grundfos SMART Digital dosing pumps provide a smooth continuous flow profile, even when very small volumes are required.

Additionally, an integrated pressure sensor and flow monitoring algorithm control the flow rate by comparing the actual flow to the setpoint and automatically making any needed adjustments.

“This pump has completely alleviated our maintenance worries, and it’s hands-free,” said Paul Moyers, owner of Moyer’s Apple Products and co-founder of Clean Works.

“This has allowed a consistent flow of our hydrogen peroxide across the treatment area,” Moyers added.

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