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.
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 is an E61 group head made of?
The E61 is made of solid brass The heat exchanger and a Thermosyphon system circulate hot water through the brew group, keeping it constantly heated. The significance of the E61 brew group is the mechanism in the brew head which allows for the pre-infusion of the grounds.
What size is an E61 group head?
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.
Does the breville dual boiler have an E61 group head?
Most traditional dual boilers are of the Italian type, which means enormous slabs of steel and the famous E61 group head. What is this? The Breville Dual Boiler has its group head design , which is more modern than the ancient Italian version.
Who invented E61?
Invented by Ernesto Valente in 1961, the E61 introduced many more innovations and espresso firsts. Rather than relying on the manual force of the barista, it used a motorized pump to provides the nine atmospheric bars of pressure needed for brewing espresso.
Does Rancilio Silvia have E61 group head?
Your Silvia does not have an E61 group head.
How does e61 flow control work?
This flow control device adjusts the flow of water through a needle valve which controls the pressure applied by the pump on the grouphead , thereby controlling the quantity of water that flows through your espresso.
Is 58mm portafilter better than 54mm?
Let’s see what the main distinctions with the traditional 58mm portafilter are. During extraction with a 9 bar pressure, the 54mm portafilter weighs about 30kg less on the coffee cake compared to the 58mm With the same dose of coffee, the 54mm portafilter ensures a taller coffee cake.
Is a wider portafilter better?
We can see that the larger portafilter is subject to a higher force of extraction with the same pressure. What this amounts to in practice is very much dependent on your setup. However it should tend towards better consistency in extraction.
What is a Grouphead?
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.
Will an E61 Portafilter fit a Breville Dual Boiler?
The Breville / Sage 58mm bottomless portafilter filter by SingleDoseBrew is guaranteed to work with your Breville Dual Boiler, Oracle or Oracle Touch espresso machines All other generic E61 portafilters WILL NOT WORK with your 58mm Breville / Sage group head as its deeper than other brands.
Is Sage and Breville the same?
Are Breville & Sage the same company? Technically, yes Both Sage and Breville are part of the Australian-based Breville Group Limited. However, the Sage by Heston Blumenthal brand name is for the United Kingdom and European markets; the rest of the world finds these products sold under the Breville name.
Where is the Breville Dual Boiler made?
For what it’s worth, Pro 300’s parts are German engineered and the machine itself is hand-assembled in Milan, Italy. The Breville Dual Boiler is factory made in Asia.
What is a saturated group head?
Answer: A saturated group head is one that is surrounded in water from the boiler Instead of a completely separate component, the group head acts as an extension of the coffee boiler, allowing for consistent water temperature throughout.
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.
Where are rocket coffee machines made?
ROCKET ESPRESSO Designed and hand-made in the heart of Italy , each machine is built for perfection and designed to integrate seamlessly into your kitchen.
What is the espresso handle called?
The portafilter is the device that has a handle and holds the basket filled with finely ground coffee. This is locked into the group head. The pressure forces the water through the coffee and out the bottom nozzles of the portafilter, into the cup or carafe.
How does a portafilter work?
A portafilter is a component of an espresso machine. It’s the spoon-like device that holds the ground coffee. You attach the portafilter to the group head of the espresso machine, where the hot water comes into contact with the ground beans and extracts espresso.
How do I choose a portafilter?
However, many manufacturers who opt to use pressurized portafilters for their machines will use smaller diameters. Another measurement to look out for is the size of the portafilter basket The depth refers to whether it’s a single, double, or triple shot, with the option of a back-flushing one as well.
How many grams of coffee are in a 54mm portafilter?
This 54mm single wall (unpressurized) basket holds 18 grams of coffee and fits smaller Breville machines, including: Duo-Temp Pro. Bambino. Infuser.
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.
How long is breville warranty?
All Breville® products have at least a one-year limited product warranty, valid from the date of purchase.
Is the Breville Barista Pro dual boiler?
Moving on to the features that impact the actual coffee making experience, we’ll start with the Dual Boiler’s party piece, and namesake, its’ DUAL BOILERS Having separate boilers for brewing and steaming means that you do not need to wait in between performing each step of the latte making process….
Is Gaggia owned by Philips?
Yes, that’s right – Gaggia was purchased by Saeco in 1999; Saeco was then purchased by Dutch-based electronics manufacturer Philips in 2009 With both Saeco and Gaggia now being owned by the same company, it’s to be expected that there are a lot of similarities between the two brands.
Who is the father of espresso?
The espresso was then invented in Venice, Italy back in the early 20th century. The drink was created by businessman Luigi Bezzera who was experimenting with coffee to see how he could make his brew faster.
Where are Gaggia machines made?
One year ago, Gaggia activated an important project to move back to Italy all the productions with a high added value. In May 2018, our production plant located in Gaggio Montano (Bologna) , welcomed another Espresso Machine series: Gaggia Anima.
Is E61 58mm?
The E61 grouphead is equal parts industry defining design and modern espresso gold standard. Created in 1961, it revolutionized the espresso industry and remains the definitive standard for most commercial espresso machines today.
What size is the Rancilio portafilter?
The Rancilio Bottomless Portafilter offers a commercial size of 58 mm and lets you observe the quality of your extraction directly.
What is temp surfing?
Temperature surfing refers to starting your shot at a specific time during the heating cycle , so that you get the same water temperature with every shot you pull.
How often should group head be cleaned?
This technique must be done daily with water alone, but at least once a week you should back flush with cleaner such as Puly Caff. To use the cleaner, simply place a tea spoon full on top of the blind filter before back-flushing. Run the group in 10 second intervals several times.
Why is my group head leaking?
If the grouphead leaks from the space in between the portafilter and the grouphead during brewing then the group gasket is either worn out or out of place This gasket needs to be replaced typically every six months to a year. Use a flathead screwdriver to pull the shower screen down and off the machine.
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.
What is a flow control device?
The flow control device is designed with an integral orifice to give a predetermined optimum flow rate and air intake to the interceptor The orifice openings are related to the size and flow rating of the GCD.
Does Rocket Appartamento have pre infusion?
One can pre-infuse with a reservoir-fed e61 , in addition to the pre-infusion built into the group.
Which portafilter size is the best?
Ideally, the 58 mm in diameter are the most common portafilter basket size on the market, while the other relatively rare, especially in commercial machines. It’s regarded as a standard size for almost all high-end home espresso machines and commercial ones.
Is 54mm portafilter good?
The Breville 54mm portafilter is a must-have for any home barista looking to improve their coffee-making skills Watching the coffee extraction process with a naked portafilter is mesmerizing and will highlight any issues with your tamping and dosing in real-time.
How do I know what size portafilter to buy?
We recommend measuring the exact inside diameter of the portafilter basket and then selecting a tamper at least 75 mm smaller Step 1: Use machine calipers or a steel measuring tape with 1/32 inch divisions to carefully measure the distance inside the filter basket directly across the centerline (the diameter).