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Espresso Dispensing Machine Application


Customer Issue

A small espresso machine manufacturer needed a solenoid valve for a new espresso machine that met the following project requirements.

Project Requirements

  • Withstand temperatures up to 100°C (212°F)
  • Meet 5 bar system pressures
  • Materials that resist coffees oiliness and acidity properties while meeting high temperatures
  • Low cost


Custom Valve’s Solution

After testing, we found that Custom Valves’ standard dialysis valve was a perfect fit for the espresso machine. The valve’s wetted materials PPSU, PTFE, and FKM were able to meet the high-temperature requirements associated with making coffee, and that FKM seals would hold up against coffees’ oily properties.


The Result

Despite low manufacturing volumes, Custom Valves was able to provide a low-cost solution for this small manufacturer that met all system requirements and exceeded customer expectations.