These little insights into how your machine works in order to produce an espresso, will help you on your steps to self service.
Did you really know?
That basically, all traditional machines are based on decades old technology, with just a few bells and whistles added to bring them up to date, and of course make you upgrade. But turning water into espresso has to follow a set format. Time to ignore the hype, and learn the fundamentals.
Basic overview
How your pump works
What does the group head do
Heating circuits
Safety devices
BASIC 2 GROUP STRUCTURE
As with all everyday items we use in life. No matter how fancy your espresso machine looks on the outside, the internals will have to follow the age old basic structure to produce your espresso. Fundamentally, a £20,000 machine will produce espresso in exactly the same way a £1000 machine will do, its just glamour cost money.
I know, its not inside the machine, but never overlook this vital add on, its the main part to keep the rest of the parts your going to learn about keep working smoothly.
Espresso requires to be extracted at around 9 bar pressure, as most UK water supplies range from 1 to 6 bar, the pump's function is to increase this incoming pressure up to 9 bar.
