15 Terms Everybody Who Works In Espresso Machine Industry Should Know
15 Terms Everybody Who Works In Espresso Machine Industry Should Know
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Important Parts of an Espresso Machine
A top espresso machine can give you a shot with a thick body with a rich flavor, as well as an strong aroma. This requires a high temperatures and pressure.
It is also important to be attentive to the crema, a golden brown layer that gives an incredibly rich espresso its distinctive color and taste. There are four kinds of espresso machines, which include semi-automatic, manual and automatic.
Water reservoir
The reservoir of water is the container that holds the water that is cold, filtered and that is fed to the espresso machine. It is usually removable and comes with lids that keep the water clean and free of dust. It is an essential component of the espresso maker and should be kept clean in order to avoid getting blocked. Pour vinegar into the reservoir in order to clean it. Allow it to run for several minutes.
The espresso machine utilizes water to pressurize the coffee grounds, and extract the flavors, oils and caffeine. It also produces the foam called crema. The first espresso machines were developed by Achille Gaggia and used pistons that were attached to levers to produce high-pressure brewing. Gaggia's spring piston levers were used to push water through the coffee into the cup. This created a brand new term "coffee crème" (crema).
The pump is an electrical device that is used to push the water through the heating element to warm it to the ideal brewing temperature of 195 degrees Fahrenheit. It is usually situated at the bottom of the machine, and is connected to a tube that goes up through the heating element. It also connects at both ends to the cold-water tube and the hot-water tube. It is also connected to the resistive heating element which is coated with white grease that helps keep the plate warm.
Pump
The pump is the thing that makes espresso machine work with, and there are various types. For example, some machines use vibratory or vibe pumps that utilizes an electromagnetic machine that moves back and forth within an electric coil, generating 60 pushes per second. The pump then forces water through the portafilter, and out of the spouts. Other pumps utilize a thermoblock or thermocoil heating system, which can precisely heat water to the desired temperature for making. These systems also allow control of pressure as well as water temperature, which is important for a high-quality extraction.
Pump-driven espresso machines may employ a piston, spring or electric pump. But, they all require that water be circulated through the grounds of the coffee with high pressure. The higher the pressure, the more efficient the extraction. The pump ensures that the coffee is evenly distributed and helps create a good crema.
Other types of espresso machines include steam-driven or piston-driven. Steam pressure is used to force water through the grounds of the coffee in a steam-driven espresso machine. This model is more affordable but doesn't produce the same amount of pressure needed for extraction. There are also air-pump-driven machines, which are smaller and lighter, but do not require a boiler. They can be powered by a hand pump or a canister filled with compressed air (such as CO2 or N2). Air-pump-driven espresso makers produce less pressure than espresso machines that are driven by pumps however, they are more convenient for some people.
Steam Wand
The steam wand is the thin pipe made of metal that comes out of the espresso machine and shoots steam hot and pressurized into the milk to create foamy drinks such as cappuccinos, lattes. The wand can be used to warm water for cocoa, tea or any other hot drinks. The wand usually has several holes on the tip, which you can switch on and off to control how much steam is released. Some machines have a traditional wand and others have a Pannarello, which is easier to use but does not produce foam that is suitable for latte arts.
If you're having trouble getting your milk to froth, you might have a problem with your espresso machine's anti-vacuum valve. The valve was designed to stop air from getting absorbed into the steam wand while it is in operation. You can test this by lowering the wand, and watching for a hissing sound. If you hear a sound that is hissing this indicates that air is being drawn in. You must raise the wand a little to submerge it fully.
You can also test the anti-vacuum by removing the wand and then cleaning it in read more warm water with a soft bristled sponge or brush. It is important to clean the wand on a regular basis to avoid clogging, which can impact your foaming. If you are unable fix it on your own, contact a technician or the manufacturer.
Control panel
The control panel enables users to modify and set up settings. Included are the coffee strength and milk quantity. These settings can be changed at any time. The display will also indicate that the machine requires to be descaled and shows whether the tank is full.
Most espresso machines have hot-water dispensers, either in one of the groups or in between them. It can be used for coffee or to heat cups in the event of need. It is also useful for cleaning and rinsing. Many models have pressure gauges on the front of the machine, indicating the current boiler pressure.
There is also a brew switch, which controls the brew cycle and the amount of shots. This is important as espresso shot size is determined by the amount of time the grounds are in contact with water. The switch can be used to also start the steaming process, when desired.
The control system on this espresso machine is a little old-fashioned, yet it has a user-friendly interface. It has a narrow LCD that is more like an ordinary LED. This makes it easy to navigate through the menus however there is some learning curve for users that aren't familiar with espresso machines. The stability of the temperature is also impressive. It can maintain a consistent water temperature of 194deg - 208deg F throughout the entire drinking process. This provides perfect aroma extraction and ensures an exact, high-quality cup each time.