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On this page you will find a stainless steel compression spring with a outer dimension of 14mm and a length at rest of 45mm. This compression spring is being used in a variety of espresso machine brewing groups. This ranges from the famous Faema E61 brewing group, the E61 style brewing group. But also a variety of other type of brewing groups used by Faema and Wega.
But what is the function of this compression spring in a e61 style brewing group? Well it is what’s called a return spring. With a E61 style brewing group it used in the following situation. When you start the brewing process on your lever espresso machine. This spring will keep the bottom brewing valve closed.
If you are not sure if this spring of 14x45mm is suitable for your e61 style brewing group just send us a message true the contact page and we might be assist you.
Data sheet
Well that answer is pretty simple, no it isn’t. The original valve works as following, when you turn the shaft inwards the valve pin will push a gasket holder. The steam can go out, close it again and no steam can go out. In the case of the modern E61 valves is that behind the gasket holder is a small stainless steel ball with a spring.
From the beginning of the Faema E61 brewing group are basically no differences between the parts installed inside the brewing group. Parts such as the valve gaskets, springs, valve assemblies and portafilters have all remained the same. The biggest change is the small cleaning hole on the front of the brewing group. With the earliest models this hole didn´t exist.
There are 5 types of boiler used on the Faema E61 espresso machine. The most well known is the double flanged model. You have on one side the heating element flange and on the other side the water level flange, both are out of production. These are held in place with aluminium boiler rings. For the single groups you have a boiler with a flange on one side.
The next model is a stainless steel boiler, with one flange. This type of boiler is less common then the copper boiler above. There is also a later model stainless steel, which doesn’t have a removable flange. Both these boilers have corrosion issues, this has to do because of the stainless steel.
The latest model is also a copper boiler, this boiler has a single heat exchanger(HX) in the middle. Most modern espresso machines have for each individual brewing group a individual HX.
Yes it is, but this depends on various factors. The first thing is experience, seen this is a manual operated espresso machine it requires a lot more attention from the barista then a solenoid operated model. There you need to stop the brewing process manually. If you don’t have the experience you probably can’t hold up with the tempo which is required at such a bar. Then I would advice to go for the Faema E61 Jubilee, this is the solenoid operated version of the Faema E61 Legend espresso machine.
