Voltage Controlled Pump Pressure (Ulka) - Page 5

Need help with equipment usage or want to share your latest discovery?
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Carneiro
Posts: 1036
Joined: Thu Jul 16, 2009 4:11 pm
Real Name: Márcio
Equipment: Faema Velox, Gaggia Achille, Pharos
Location: Brazil

Postby Carneiro » Wed Jul 27, 2011 4:18 am

Well, thanks, but I couldn't even copy and paste to a translator... :mrgreen:

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indend007
Posts: 91
Joined: Fri Dec 31, 2010 9:45 pm
Real Name: Devin Lee
Equipment: La Marzocco GS/3 manometer tuned, Compak k10 Fresh Red Speed, Baratza Encore
Location: south korea

Postby indend007 » Sun Jul 31, 2011 12:07 am

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ULKA PUMP - With PWM Controller / Pressure controlling youtube clip

http://www.youtube.com/watch?v=2Ugl5pp5zaQ



Pwm control isn't same with voltage control(with resistance) method.

Model : Flowell kc04(made by flowell-south korea company)
http://www.ulka.co.kr/product02_sole.htm


Maybe, It useful to

1. Low level pressure pre-infusion without E-61 preinfusion chamber(miss silvia, or gaggia), and user custom pre-infusion.
2. Adjust max pressure when extracting triple ristretto shot (with raised max pressure (OPV limit) matter.. )



And, As I known..
About ULKA flow rate is...

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E-mail : indend007@naver.com
Enjoy! Espresso! Http://bwissue.com