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Espresso: Questions and Answers
Expobar Level
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Discussions > Espresso > Q and A > Expobar Level  
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steamer
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steamer
Joined: 11 Feb 2005
Posts: 901
Location: socal
Expertise: I live coffee

Espresso: Expobar Brewtus IV R
Grinder: Mazzer Mini-B Baratza...
Vac Pot: Krubs Moka Brew, vacPot
Drip: TechV, and many more
Roaster: Hottop
Posted Sun Feb 2, 2014, 8:59am
Subject: Expobar Level
 

I just got a Expobar Level and have run a few shots to get used to it coming from a Gaggia Classic. There is lots of talk about flushing a 61 group, to remove the possible steam in the group. I do a flush and I get no steam, water flows just fine. I am about 8.5 on the boiler gauge. My shots are running fast but I'm changing grind on my Vairo, but I am running a 2nd crack roast on fresh beans. My bottomless PF does show a high pressure pinhole leak right in front of the handle and always the same place, so I need to look at that also. I haven't run temp checks yet, that comes next. Otherwise moving right along.
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CSME9
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CSME9
Joined: 26 Feb 2004
Posts: 291
Location: West Texas
Expertise: I live coffee

Espresso: Bezzera Mitica Top, Spaz...
Grinder: Rancilio Rocky
Drip: Moka Pot
Roaster: BBQ Roaster
Posted Sun Feb 2, 2014, 12:31pm
Subject: Re: Expobar Level
 

The new Expobar Lever's come with a small restrictor installed in the inlet pipe to the group head to reduce the flush required. What is your boiler steam pressure set to ?

If its set to 1 bar it will require less flushing and reduce your steam power, if set at 1.3 bar it will increase your steam power but will increase the flush time.
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steamer
Senior Member
steamer
Joined: 11 Feb 2005
Posts: 901
Location: socal
Expertise: I live coffee

Espresso: Expobar Brewtus IV R
Grinder: Mazzer Mini-B Baratza...
Vac Pot: Krubs Moka Brew, vacPot
Drip: TechV, and many more
Roaster: Hottop
Posted Sun Feb 2, 2014, 1:11pm
Subject: Re: Expobar Level
 

my steam gauge is .85 bar, my brew gauge is about 11 bar at fully heated and idle.
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CSME9
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CSME9
Joined: 26 Feb 2004
Posts: 291
Location: West Texas
Expertise: I live coffee

Espresso: Bezzera Mitica Top, Spaz...
Grinder: Rancilio Rocky
Drip: Moka Pot
Roaster: BBQ Roaster
Posted Sun Feb 2, 2014, 1:21pm
Subject: Re: Expobar Level
 

steamer Said:

my steam gauge is .85 bar, my brew gauge is about 11 bar at fully heated and idle.

Posted February 2, 2014 link

At .85 bar that will reduce the super heated water flush so that's why you don't see the hot steam during the group flush, if your shots are hot and you have enough steam power you should be ok. If not then open the machine and adjust the press stat to 1.2 bar which will give you more steam power but may require a longer water flush.

The lever makes very good espresso & the one hole steam tip is easy to control and produce wet paint texture milk.
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acasabia
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acasabia
Joined: 17 Oct 2008
Posts: 624
Location: Westchester, NY
Expertise: I live coffee

Espresso: Expobar Brewtus iv-p,...
Grinder: Quamar M80e, Hario slim
Vac Pot: Yama Vacpot, Aeropress,
Drip: french press
Roaster: hot-air popper.
Posted Mon Feb 3, 2014, 11:35am
Subject: Re: Expobar Level
 

CSME9 Said:

At .85 bar that will reduce the super heated water flush so that's why you don't see the hot steam during the group flush, if your shots are hot and you have enough steam power you should be ok. If not then open the machine and adjust the press stat to 1.2 bar which will give you more steam power but may require a longer water flush.

The lever makes very good espresso & the one hole steam tip is easy to control and produce wet paint texture milk.

Posted February 2, 2014 link

I hated that steam tip, I switched it off my brewtus with a rocket 2 hole hand have had much better results. I found it was a very powerful but very wet  steam. perhaps the increased velocity pulled more water down with it? I dont know but I didnt like it and new tips are only a few bucks. Worth playing with.

 
Anthony C

Currently pulling: Whatever Sweet Maria's sends me :D
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steamer
Senior Member
steamer
Joined: 11 Feb 2005
Posts: 901
Location: socal
Expertise: I live coffee

Espresso: Expobar Brewtus IV R
Grinder: Mazzer Mini-B Baratza...
Vac Pot: Krubs Moka Brew, vacPot
Drip: TechV, and many more
Roaster: Hottop
Posted Mon Feb 3, 2014, 3:37pm
Subject: Re: Expobar Level
 

acasabia Said:

I hated that steam tip, I switched it off my brewtus with a rocket 2 hole hand have had much better results. I found it was a very powerful but very wet  steam. perhaps the increased velocity pulled more water down with it? I dont know but I didnt like it and new tips are only a few bucks. Worth playing with.

Posted February 3, 2014 link

the new Level's have changed their steam wands and those no longer work, but there some WLL carry in 2 hole I think.
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Pazu
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Joined: 16 Jun 2013
Posts: 15
Location: Hong Kong
Expertise: I love coffee

Espresso: Expobar Brewtus IV-R
Grinder: HG-ONE, FUJI ROYAL R220-DX,...
Vac Pot: KONO SK-2A
Drip: TIAMO 01, HARIO 02, TIAMO...
Posted Fri Feb 21, 2014, 12:41am
Subject: Re: Expobar Level
 

The more holes in the steam tip the wetter the steam and the faster the pressure drop
I tried both 1 hole and 2 holes on the brewtus and found that using the 2 holes tip the steam is very wet. Nothing I can do to make it dryer.
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acasabia
Senior Member
acasabia
Joined: 17 Oct 2008
Posts: 624
Location: Westchester, NY
Expertise: I live coffee

Espresso: Expobar Brewtus iv-p,...
Grinder: Quamar M80e, Hario slim
Vac Pot: Yama Vacpot, Aeropress,
Drip: french press
Roaster: hot-air popper.
Posted Fri Feb 21, 2014, 6:35am
Subject: Re: Expobar Level
 

Pazu Said:

The more holes in the steam tip the wetter the steam and the faster the pressure drop
I tried both 1 hole and 2 holes on the brewtus and found that using the 2 holes tip the steam is very wet. Nothing I can do to make it dryer.

Posted February 21, 2014 link

I found that the single hole was pretty wet, switched to a two-hole and had better results. I usually flush the wand pretty thoroughly no matter what though.

 
Anthony C

Currently pulling: Whatever Sweet Maria's sends me :D
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steamer
Senior Member
steamer
Joined: 11 Feb 2005
Posts: 901
Location: socal
Expertise: I live coffee

Espresso: Expobar Brewtus IV R
Grinder: Mazzer Mini-B Baratza...
Vac Pot: Krubs Moka Brew, vacPot
Drip: TechV, and many more
Roaster: Hottop
Posted Sun Feb 23, 2014, 8:08am
Subject: Re: Expobar Level
 

I just got the two hole tip. It does a great job of turning over the milk, more so than the single hole, but that being said, the steam runs pretty low real fast. I am up to 1.2 on the boiler now. On the group head, mine really likes to hang at 192f, unless it has sat for a bit and then it drop to 120f. The hard part it takes some time to get it back up on a moments notice.
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CSME9
Senior Member
CSME9
Joined: 26 Feb 2004
Posts: 291
Location: West Texas
Expertise: I live coffee

Espresso: Bezzera Mitica Top, Spaz...
Grinder: Rancilio Rocky
Drip: Moka Pot
Roaster: BBQ Roaster
Posted Sun Feb 23, 2014, 8:45am
Subject: Re: Expobar Level
 

2 hole tips holes are not created equal, holes come in different sizes & some steam quickly but out run the boiler.
A good compromise 2 hole tip is the 1mm 2 hole tip, which is a bit faster than the 1 hole, rolls milk well and doesn't over power the boiler.
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