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Voltage Controlled Pump Pressure (Ulka) - Page 5

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

Well, thanks, but I couldn't even copy and past for a translator... :mrgreen:
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Carneiro
 
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Joined: Jul 16, 2009
Location: Brazil
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Postby indend007 on Sun Jul 31, 2011 12:07 am

Image

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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...

Image


E-mail : indend007@naver.com
Enjoy! Espresso! Http://bwissue.com
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indend007
 
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Joined: Dec 31, 2010
Location: south korea
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