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Bezzera BZ-40 pump pressure?
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The Bz40 is a brilliant machine..should give you many years of quality coffee ;-)
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It is truth what somebody says! The firts coffee brew from a fixing machine its the sweetes one jajajaja
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I dont know about other relief valve but mine what it does it relive the pressure from the oulet and bypass to the inlet it is like i retro fit dont route to the drip trayOriginally posted by Jimmytheboot View PostNot really, but usually OPV's will route the water back to the tank since they are expected to open most shots and the water will be cool, relief valves to the drip tray
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Happy,happy,happy today i recive the new pump annndddddd it work problem solve! It came over 15 bar sow i just adjust the relive valve and presto 9 bar brewing thank everybody for the help
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Not really, but usually OPV's will route the water back to the tank since they are expected to open most shots and the water will be cool, relief valves to the drip trayOriginally posted by MrJack View PostIs there a difference between an OPV and a pressure relief valve, apart from the name (these are also known as pressure safety valves "PSVs" in industrial applications)?
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Jajaja thanks god that i have to much pressure in the house! Im using that pressure to brew the coffe, i take out the pump (waiting for the new one by 3 days) and connect the water direct to the machine and waalllaaa! 8 bar brewing coffe taste a little bitter but i have coffeOriginally posted by Jimmytheboot View PostFrom the file:
So your pump is setup perfectly for your incoming water pressure, relax go have a coffee
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Re: Bezzera BZ-40 pump pressure?
Is there a difference between an OPV and a pressure relief valve, apart from the name (these are also known as pressure safety valves "PSVs" in industrial applications)?
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From the file:Originally posted by Evascroll View PostThis is the spec about procon pump if any is interesting
http://96.61.63.50/techlib/Procon/Pr...l_cat_D603.pdf
So your pump is setup perfectly for your incoming water pressure, relax go have a coffeeBe advised that due to the
design of the relief valve, the relief valve reacts to the difference in pressure
between the inlet and the outlet. As a result, the highest pressure which the
pump can develop at its discharge port is the inlet pressure plus the specified
relief valve setting.
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This is the spec about procon pump if any is interesting
http://96.61.63.50/techlib/Procon/Pr...l_cat_D603.pdf
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1 bar when is pumping fron the bucket!Originally posted by Jimmytheboot View PostIts not certain anything is wrong with the pump, the gauge is reading your house water pressure which is really high.
When its pumping from the bucket it reads 1 bar or is that the reading with the pump off?
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For what i read and trust me (3 days in a row non stop)your are rigth! Bz40 dont have OPV! The only way of mod the pressure is on the Relief Valve Pressure in the pump it selfOriginally posted by Javaphile View PostGiven that the bz40 is a commercial machine with a rotary pump I would be very surprised if it has an OPV.
Java "Pressure me up Scotty!" phile
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On plumbed in commercial machines? Interesting, hadn't seen that before.Originally posted by Talk_Coffee View PostMany of the rotary pump machines we sell also incorporate an OPV. They are usually set to 12 Bar and act as a fail safe should the pump bypass fail for any reason.
Java "Always learning" phile
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