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regulator pressure
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Discussions > Espresso > Machines > regulator...  
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Danruth
Senior Member


Joined: 2 Mar 2014
Posts: 31
Location: Nashville
Expertise: I love coffee

Espresso: Izzo Alex Duetto III
Grinder: Mazzer Mini Electronic B
Posted Tue Mar 25, 2014, 3:24am
Subject: regulator pressure
 

OK I got everything plumbed in on my duetto III, now a small question. When the machine is not running the pressure regulator read about 65 psi and the gauge on the machine reads about 4.2 bar. when the machine is running the pressure regulator reads about 25 psi and the gauge on the machine reads just a tad over 9 bar. Is this static pressure to high or is supposed to be like that?
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DavecUK
Senior Member


Joined: 21 Sep 2005
Posts: 1,412
Location: UK
Expertise: I love coffee

Posted Tue Mar 25, 2014, 3:51am
Subject: Re: regulator pressure
 

It's too high, set your mains water pressure regulator to about 2 ish bar or 30 - 35 psi.
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Danruth
Senior Member


Joined: 2 Mar 2014
Posts: 31
Location: Nashville
Expertise: I love coffee

Espresso: Izzo Alex Duetto III
Grinder: Mazzer Mini Electronic B
Posted Tue Mar 25, 2014, 3:55am
Subject: Re: regulator pressure
 

Thanks, so it should be set to 30-35 while the machine is not running then?
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DavecUK
Senior Member


Joined: 21 Sep 2005
Posts: 1,412
Location: UK
Expertise: I love coffee

Posted Tue Mar 25, 2014, 8:19am
Subject: Re: regulator pressure
 

If that's the type of regulator you have then yes the static pressure reading in a no flow condition.

In truth the pressure shouldn't change hardly at all when the machine is running, because the flow rate is quite low, however they type and price of regulator you have dictates how well this all works. The main thing it needs to do is to maintain a reasonable pressure within the 1.5-2.5 bar range, even if the pressure upstream of the regulator moves to 5 bar....that'[s the whole point of it.
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Danruth
Senior Member


Joined: 2 Mar 2014
Posts: 31
Location: Nashville
Expertise: I love coffee

Espresso: Izzo Alex Duetto III
Grinder: Mazzer Mini Electronic B
Posted Tue Mar 25, 2014, 8:29am
Subject: Re: regulator pressure
 

I got the regulator from Chris' coffee,
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takeshi
Senior Member
takeshi
Joined: 12 Oct 2002
Posts: 968
Location: Houston
Expertise: I live coffee

Espresso: Alex Duetto 3.0
Grinder: Super Jolly
Roaster: Amaya Roasting
Posted Tue Mar 25, 2014, 9:59am
Subject: Re: regulator pressure
 

Just got that one myself and just found the instructions that will help you out.
Click Here (www.chriscoffee.com)
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Danruth
Senior Member


Joined: 2 Mar 2014
Posts: 31
Location: Nashville
Expertise: I love coffee

Espresso: Izzo Alex Duetto III
Grinder: Mazzer Mini Electronic B
Posted Tue Mar 25, 2014, 10:09am
Subject: Re: regulator pressure
 

takeshi Said:

Just got that one myself and just found the instructions that will help you out.
Click Here (www.chriscoffee.com)

Posted March 25, 2014 link

Yea, those are the instructions I followed. Flipped up the brew lever and adjusted the pressure on the regulator to ~30, when i turned off the machine the pressure on the regulator goes up to ~65. Should I just set the pressure to ~30 with the machine not running?

Or did I follow the instructions wrong?
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Danruth
Senior Member


Joined: 2 Mar 2014
Posts: 31
Location: Nashville
Expertise: I love coffee

Espresso: Izzo Alex Duetto III
Grinder: Mazzer Mini Electronic B
Posted Tue Mar 25, 2014, 3:34pm
Subject: Re: regulator pressure
 

I tried to adjust the pressure down to 30 psi with the machine not running and the regulator won't go that low. any ideas?
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Danruth
Senior Member


Joined: 2 Mar 2014
Posts: 31
Location: Nashville
Expertise: I love coffee

Espresso: Izzo Alex Duetto III
Grinder: Mazzer Mini Electronic B
Posted Wed Mar 26, 2014, 7:10am
Subject: Re: regulator pressure
 

Emailed Chris'Coffee, they told me it is normal for pressure when the machine is not running so I believe i am good...I hope
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