"We realized we needed a size that easily can handle a super busy cafe, and maybe a few wholesale accounts, or to get up to three to four cafes," Arash Hassanian, CEO of Stronghold's United States distribution partner Roastronix, stated at the Expo.
"If you tried to accomplish this with a conventional rotary pump, a needle valve, and a pressure sensor, the problem is you have a feedback loop," Duvall said. "The flow has to happen, and then the flow meter has to sense it, and then you have to use your needle valve to adjust the resistance to try and get a flow rate in the future. It's a backwards-looking system."