When making espresso, you usually want nine bars of pressure, or nine times the weight of the pressure at sea level. “Espresso has a long history, and the best espresso is extracted at nine bars” Stephen tells me. To gain some perspective on this, think about pumping up your car or bicycle tire. What is … Read more
The ‘BAR’ is the measurement for atmospheric pressure, also known as barometric pressure, exerted upon grounds of coffee in an espresso coffee maker One BAR is equal to the atmospheric pressure (the weight of air) at the sea level. Is 15 or 20 bar better for espresso machine? A 15 bar espresso machine can at … Read more
15 bars is the max amount of pressure the pump in the espresso machine can apply during brewing While that is the max amount of pressure, it doesn’t mean espresso should be extracted at such high pressure. The recommend extraction pressure is about 8 or 9 bars. Is 15 bar good for espresso machine? 7-15 … Read more
A fine grind is needed for espresso and the ideal pressure is nine bars This, in turn, dictates a time of 25–30 seconds. Is 19 bar pressure good for espresso? One of the best BAR pressures for a coffee machines is 9 BARs. Some claim that 7-8 BARs is even better. Why? Anywhere between 7 … Read more