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How do espresso machines work?


Espresso machines have been well known for their simplicity of use and their friendly interface that virtually makes coffee brewing an exciting experience for everyone. The quest for the under 200 coffee maker seems a bit challenging but in the end, there is plenty of machines that you can buy to make reputable coffee without spending a fortune.
What lies inside the machine?

First, there is the Control Panel. The majority of the coffee making machine has an electronic control panel with the single exception of the lever espresso ones that are mostly handle operated. One of the most common characteristics is the light bulb indication that shows you when the water reaches the optimum temperature for brewing.
There is also a special valve to control the flow of the water and steam into the frothing tank.

The newest technology machines are easily operated and have more electronic indications for a precise quality of espresso delivered.
The Reservoir

There is always the need to have a special water tank so that the delivery of fresh water could be easily ensured. On the latest editions of the machines, the reservoir is a simple container of water that is removable from the machine so that you can add on the desired portion of fresh water by hand.
The newest and professional editions of coffee makers have a special reservoir system that can adjust to the plumbing network of your house and give you more flexibility when you need to prepare the most aromatic espresso coffee. The temperature of the water is initially close to room temperature and can start getting higher only when the water reaches the pump. The presence of the boiler is also another stage of the preparation procedure that can be easily attached to the espresso making.
The Pump

This is one of the most critical parts of the espresso maker. This instrument gives pressure to the water from the reservoir and passes it to the boiler to get ready for coffee brewing. The aim is to reach the 9-15 bar pressure. This is by far the most efficient level of pressure to give you enough taste and aroma for an espresso experience never felt before.

The Boiler

This is another crucial part of the espresso maker since this is where the water is heated up after it passed from the pumping chamber. The boiler consists of a special metal chamber that has a heating element to its bottom which is usually a spiraling filament that easily heats up when electricity passes through it.

Most of the times, the boiler is engraved in thermal protective materials to ensure that there is no leak or crack after several uses. This is also ensuring its longevity and health containment of the water passing through it. There is a one-way valve that can direct the water into its compartment from the pump but refuses to let the water get back inside. This is the turn of the group head to start working to produce the real espresso brewing.

Not to mention that the more pressure is applied to the water the greater its boiling point becomes. That is why modern espresso makers are adjusting their heating to make the most accurate brewing of espresso coffee.

The Grouphead

The group head is called the portion of the machine where the boiling water reached the portafilter. This is where the first touch of the water and the ground coffee is made. The portafilter is fit entirely in the grouphead to ensure that there is no leak when hot water passes through its body.

The presence of many holes within the grouphead creates a balanced and cross-sectional flow of the hot water onto its passage to meet the ground coffee. Most of the professional machines usually offer two or more groupheads to meet the enhanced needs for simultaneous espresso making.

The Portafilter

This is about the removable part of the espresso machine that holds the desirable amount of ground coffee which is going to give us the aromatic espresso experience when brewing. It usually has a handle, a body and a basket as well as a two-pronged sprout. On the inner side of the basket lies the ground coffee packed ready to be brewed.

The portafilter is solidly bent to the grouphead to ensure the proper passing of the hot water through the coffee mass. On the lower part, the two-ended sprout is actually where the hot espresso is getting inside your cup.
Conclusion

As you can easily understand, searching for the under 200 coffee maker experience may become a tough job. The espresso machines are highly sophisticated appliances that have enough technology to give you the most aromatic coffee experience that is desired by many persons across the world.

The espresso making at home has never been easier and safer with the use of these machines. Now that you know all the parts of the espresso maker you have no excuse in creating nothing less that the best coffee available.

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