espresso firsts

What Size Is An E61 Group Head?

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Information on Gaskets: e61 group head gaskets come in two thickness’s, 8mm and 8.5mm Some manufacturers use both sizes and some have changed from one size to another. What does E61 mean on a coffee machine? E61 is the first machine to use a volumetric pump to give the water the ideal 9-atmosphere pressure and … Read more

What Does E61 Mean On An Espresso Machine?

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To give credit where credit is due, the inventor of the E61 design was a man by the name of Ernesto Valente. He put the original design on an espresso machine called the faema e61. Ernesto named the grouphead design E61 because there was a solar eclipse in 1961, so E61 is short for Eclipse … Read more