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will 2800 psi be enough
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crystal.clear
Guest
will 2800 psi be enough
«
on:
May 17, 2010, 05:03:34 pm »
i've been offered a petrol pressure washer for cheap off a frined. its 2800 psi will the be enough to clean driveways and patios
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kordun
Cleanitup Sr. Member
Posts:
186
Re: will 2800 psi be enough
«
Reply #1 on:
May 17, 2010, 05:05:55 pm »
not really. what is water flow and BAR?
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crystal.clear
Guest
Re: will 2800 psi be enough
«
Reply #2 on:
May 17, 2010, 05:11:11 pm »
8.3 ltres per min and 196 bar
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derek west
Guest
Re: will 2800 psi be enough
«
Reply #3 on:
May 17, 2010, 05:24:40 pm »
its okay for washing cars i suppose.
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crystal.clear
Guest
Re: will 2800 psi be enough
«
Reply #4 on:
May 17, 2010, 05:32:06 pm »
what pressure do i need to clean driveways
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derek west
Guest
Re: will 2800 psi be enough
«
Reply #5 on:
May 17, 2010, 06:17:01 pm »
its not so much how fast it comes out but how much comes out, the minimum seems to be 15 litres a minute at around 3000 psi.
thats twice as many litres as the one your looking at, think of it as twice as much weight hitting the stone your cleaning at pretty much the same pressure. = a far superior clean
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Andy Foster
Cleanitup God
Posts:
938
Re: will 2800 psi be enough
«
Reply #6 on:
May 17, 2010, 09:18:12 pm »
Been cleaning driveways for over 6 years with 14ltrs/min and 2500 psi with no problems whatsoever.
So the answer to your question is most definitely yes.
Anything over 3000psi and you need to make sure the triggers etc are up to it... gets expensive to go over 3000 and for no apparent reason to do so.
Andy
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e newlands
Guest
Re: will 2800 psi be enough
«
Reply #7 on:
May 18, 2010, 04:50:34 pm »
i agree most dirt algie moss build up is superficial and can easily be removed with a lower psi machine
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Nathanael Jones
Cleanitup God
Posts:
5596
Re: will 2800 psi be enough
«
Reply #8 on:
May 18, 2010, 05:15:44 pm »
Flow rate is essential too. Less that 12 litres per minute is a waste of time IMO, and realistically 15 or 17 litres per minute will get the job done a lot faster.
I have a 4000 PSI 14 litre per minute machine and a 3000 psi 17 lpm machine,.. I prefer the machine with the higher flow rate. Any tough dirt & I just use the turbo nozzle.
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will 2800 psi be enough