coffee & espresso equipment and accessories

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 paste to a translator... :mrgreen:
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Postby indend007 on Sun Jul 31, 2011 12:07 am





ULKA PUMP - With PWM Controller / Pressure controlling youtube clip

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

Model : Flowell kc04(made by flowell-south korea company)

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...


E-mail :
Enjoy! Espresso! Http://
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Location: south korea