The group head is a part of any espresso machine. It is the heart of the machine and responsible for creating a great cup of espresso Located on the front of the machine, the group head is a metal, permanent attachment that brings water out of the machine and into the filter basket.
What is a grouphead coffee?
Essentially, the group head is the part of the espresso machine where water from the boiler is dispensed into the coffee filter basket It acts as a meeting point, connecting the machine to the group handle and the water to coffee.
Should I leave portafilter Grouphead?
Leave portafilters in groupheads overnight to prevent gaskets from drying and cracking Always pull a throwaway shot first thing in the morning to remove cleaning residue.
How many group heads do I need?
For home use, one group head is usually enough For commercial uses, two group heads are usually the safest, but depending on the demand, you can opt for one or three group heads as well.
What is e61 grouphead?
E61 group heads are an espresso machine group head design that have been around since 1961. It’s a design that is very tried and true and is one that is used on many of our prosumer grade espresso machines and even some commercial machines like the Faema Legend and the Faema Jubile.
Why is it called Grouphead?
Located on the front of the machine, the group head is a metal, permanent attachment that brings water out of the machine and into the filter basket A group head is commonly simply called the ‘group. ‘ You might also hear it referred to as the ‘espresso machine group,’ ‘brew group,’ or ‘brew head. ‘.
What is the purpose of a bottomless portafilter?
Bottomless portafilters allow the barista to instantly deduce whether proper tamping technique has been achieved If the extraction leans to one side or the other an improper angle was used when tamping.
When a portafilter is not in use how firmly should you lock it into the Grouphead?
There is not a need to push the portafilter towards to the extreme tightness all the way. Regardless of the size of the espresso machine, it would be best to hold lightly with firmness onto one corner of the machine while turning the portafilter in the group head.
Should you preheat portafilter?
Preheating: It is important that the cup you are extracting into is preheated as well as the portafilter handle otherwise they will suck the heat out of your coffee – destabilizing the temperature aspect.
What is a bean hopper?
Coffee bean hoppers store whole beans until it is time to grind with your grinder, your superautomatic espresso machine or your one-touch coffee maker Need to swap out your coffee bean hopper for a new one? Hop to it! Coffee and espresso grinders for home and for café take a lot of use and abuse.
How many espresso machines does a coffee shop need?
20 for small to mid-size towns, 50 for larger cities A one-group machine will work well for your needs. The masses walk bleary-eyed through your doors, expecting their daily caffeine fix. Y need a machine that won’t let you down during the morning rush.
What is the espresso handle called?
A portafilter (or group handle) attaches to the grouphead of semi-automatic and piston-driven espresso machines, and carries a tamped puck of coffee grounds within its basket.
What does E61 mean on an espresso machine?
In summary, an E61 Equipped Heat Exchanger (HX) or double boiler brings espresso brewing to a higher level than that of basic systems through the modulation of temperatures and through its built in pre-infusion capabilities.
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 keep it constant during the whole extraction process , unlike lever machines.
Is Breville Dual boiler E61?
The Breville Dual Boiler has its group head design, which is more modern than the ancient Italian version. Bonus Info: The E61 was invented in 1961 , so obviously, we have better technology nowadays. This means that Breville has put in a PID-controller controller both in the boiler and the brew head.
What is a portafilter espresso?
That’s the portafilter (also sometimes referred to as a “group handle”). This spoon-looking device harbors a basket which is actually what holds the coffee grounds during the pulling or extracting of the espresso shot.
Are Portafilters universal?
There are common portafilter sizes and common basket sizes (e.g., 58mm), but no, there really isn’t a standard The grouphead geometry changes considerably among espresso machines.
Do you need a filter for espresso?
Sure, you can filter the espresso through a paper filter and get rid of some of those oils. The crema will go, as will many of the subtleties of the aroma and flavor of the coffee. It is from the oils that you get that wonderful coffee smell and the high points of the taste.
Should you keep the portafilter in the espresso machine?
Yes, always keep the portafilter on the machine , that way when you’re ready to use it the portafilter is going to be nice and hot.
Why does the portafilter need to be hot?
Keeping the portafilter warm (and receiving / tamping a dose within a warm portafilter) is supposed to result in additional oils being released in the extraction, which in theory leads to a fuller pull and more crema It’s also supposed to add to the benefits of pre-infusion.
How full should portafilter be?
Fill the portafilter basket loosely with ground coffee and level off the basket using the side of your pinky finger to discard any excess coffee grounds. For a single shot of espresso use 6 to 7 grams (1 ½ teaspoons) of ground espresso. For a double shot of espresso use 12 to 14 grams (1 tablespoon) of ground espresso.
What is a 3 group coffee machine?
In commercial settings where there are constantly back-to-back orders, a three-group commercial espresso machine can make all the difference. With three groups, baristas can make multiple drinks at a time, and you start to get enough room for more than one barista to work at the machine simultaneously.
What does group mean in coffee machine?
Group heads, sometimes shortened to ‘groups’ simply refers to the component on an espresso machine that allows the connection with a portafilter During the process of extracting espresso, hot water is forced through the grouphead under pressure.
How many coffees can you make in 1 hour?
one barista to serve up to 80-90 cups individually in an hour, and. two baristas to be able to serve up to 160-180 cups an hour.
Does Rancilio Silvia have E61?
Your Silvia does not have an E61 group head.
What size is an E61 Portafilter?
E61 Grouphead Only – Bottomless / Naked Portafilter – 58 mm, 3-cup.
What are the 3 parts of espresso?
3 parts of an espresso shot. Crema, Body, Heart The second layer is the Body, the middle section of the espresso shot. This should be a caramel color.
What do you put on top of an espresso machine?
Let’s start with a few basics. The cups must be kept dry and warm in order to maintain the temperature and the nice color of the espresso cream longer. For this reason we usually place them on the cup warmer grill located on the top of each espresso machine.
Are naked portafilters better?
1. A Quality Control Check. The most frequently cited reason for using a naked portafilter is that it allows us to judge the evenness of our extraction and therefore produce tastier and more consistent espressos.
Does bottomless portafilter taste better?
Crema & Taste Some baristas claim that a bottomless portafilter yields a thicker crema with a richer taste than a spouted model They argue that some of the crema inevitably sticks to the metallic spout, leaving slightly less amount for your shot.
Can you put less coffee in portafilter?
The smaller the portafilter, the less flexibility you have over how much coffee you us in it Even though you can change out the filter basket inside the portafilter to increase the basket depth, you can only add so much depth before the shots start to pull weird.
How long does a portafilter last?
The portafilter gasket will, typically, last about six months to a year , depending on how much it’s used. Now, our machine is used maybe once or twice a day. Something that you’d see like in a home setting. So, it’s made it about a year, and it’s still not quite unusable, just to give you an idea of how long it lasts.
How do you clean portafilters?
The portafilter spouts collect quite a bit of coffee oils and there can quite big build ups if you don’t unscrew them occasionally. Just unscrew them and sink them in hot water and espresso machine cleaning powder for 10-15 minutes. Brush them after simmering and screw them back to their place.
Why is my Breville espresso bitter?
If the shot pours too slowly due to the grind being too fine , the espresso will taste bitter. You need to make your coffee grinds coarser so that the water is not so restricted. Espresso should pour between 25 – 35 seconds, with the best results usually found between 27 – 33 seconds.
What is the best grind size for espresso Breville?
Set the grind size to 5 , this is the number Breville recommends. You probably won’t need to change this number.
How many scoops espresso shot?
Use 1 Tablespoon of coffee for a single shot, and 2 Tablespoons for a double shot Tamp the coffee grind evenly into the portafilter.
How do you heat a portafilter?
Modern portafilter coffee machines often have a plate on the top of the machine specifically for this purpose. There you can warm up the espresso cups during the preparation time. Alternatively, a shot of hot water is sufficient to bring the cups up to the right temperature.
How many teaspoons of espresso powder are in a shot?
For a single shot: Use 6–8 grams ( 1.5-2 tsp ) of ground beans per 1–1.5 fluid ounce (2-3 Tbsp).
What is a coffee knock box?
A knockbox (informally known as a “bash bin”, “coffee column”, “slam piece” or “bang bang”) is a device used to store spent espresso grounds, called a puck, after a shot of espresso has been pulled.
Do you keep coffee beans in hopper?
That being said, if you drink coffee frequently enough, we at Baratza suggest keeping your beans in the hopper of your grinder ! Our hoppers should fit a 12oz bag (a very common size). Although not air-tight, our hoppers have lids and there is just a narrow gap between burrs, which limits oxygen exposure.
How long can you keep coffee beans in a hopper?
With modern-day coffee grinders coming with bigger and bigger hoppers, a debate has sparked between coffee enthusiasts: Should you keep your coffee beans in the hopper? It’s advised not to leave coffee beans in the hopper for longer than 1 to 2 days as they will go stale faster than if stored correctly.