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On this page you will find one of the most used espresso machine pumps. The Ulka Ex5 48W 230V espresso machine vibration pump. This pump produces 48W at 230V with 50Hz. The inlet connection is 6mm, suitable for a silicone hose. The pump outlet is a 1/8” Bsp, this side is made from brass. There is also a Identical pump the Ulka EP5, this one has a plastic outlet fitting. The disadvantage of this is that the threads wear out a lot faster then with the brass outlet.
To power the vibration pump there are on top of the vibration pump 2x 6,3x0,8mm 2 male spade connectors. The maximum water temperature for this vibration pump is 20°C with a maximum pressure of 15bar (this pump is not adjustable)
This vibration pump is used by a variety of espresso machine manufacturers like: Vibiemme, ECM, Astoria, Grimac, La Spaziale, La Pavoni, Victoria Arduino, Cimbali, Isomac and ECM
If you are not sure if the Ulka EX5 230V is suitable for your espresso machine. Don’t hesitate to contact us and we might be able to find the correct part for you
Data sheet
We would not advice to do so, seen the capacity is too little to proper function in a bar or a restaurant. For a small office this espresso machine would be a good solution, as well as the use in a kitchen.
Well this does depend on how old your Bezzera BZ10 is. Seen you have 2 model versions. There is a pre- 26-06-2010 and a post 27-05-2010 version. The older type is in it’s original configuration isn’t available anymore, for this is a relay rebuild kit available which is the same as the new model.
They are both operated with a Ma-ter pressure switch with is fitted with a safety valve and with a relay. The older ones had a build on relay, but the latest ones have a separate relay.
This model of Bezzera espresso machine is fitted with a solenoid operated Bezzera ring brewing group, so it hasn’t been fitted with a E61 style of brewing group.
The Bezzera BZ10 espresso machine is fitted with a water tank, from this tank the water is pumped, with a Ulka vibration pump, towards the brewing group and into the boiler. So you won’t be able to fit a main water connection to this espresso machine.
The Bezzera BZ10 has been fitted with a double scale pressure gauge, or manometer. So you will see 2 needles, one is for the pump pressure and the other is for the boiler pressure. The boiler pressure goes from 0 up to 3 bar and the pump pressure goes from 0 up to 16 bar.