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Pressure vs Flow
This question is about pressure washer for car wash in mind.
What is more important when choosing pressure washer? Pressure or Flow Rate?
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Super Member
Re: Pressure vs Flow
A mix of both. If had to choose one just for car washing GPM. Multi use around house PSI.
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Junior Member
Re: Pressure vs Flow
The question should be what is the the flow rate and pressure range that you need for your use
Each type of use has its different flow rate and needed pressure
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Re: Pressure vs Flow
Originally Posted by
North1Star
The question should be what is the the flow rate and pressure range that you need for your use
Each type of use has its different flow rate and needed pressure
Sole purpose is car washing as mentioned in the first post
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Super Member
Re: Pressure vs Flow
IMO:
Both can be considered important.
However:
I’ve found that when it comes to the
rinsing stage of the overall car washing
process, flow becomes “more” important.
Bob
"Be wary of the man who urges an action in which he himself incurs no risk."
~Joaquin de Setanti
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Super Member
Re: Pressure vs Flow
I agree with Bob.
Even a "lesser" pressure washer will have around 1200 psi. That is more than enough to knock off loose dirt.
It's when you go to rinse, or do a broader cleaning (think vinyl siding), that you want a higher flow rate.
It is no coincidence that man's best friend cannot talk.
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Super Member
Re: Pressure vs Flow
I have a 4500 lb engine driven pressure washer that has to have enough available GPM to even be able produce that much pressure. Anything over a couple hundred pounds is a lot of pressure if adequate flow rate is available. You should be able to supply at least 5 GPM to have good pressure.
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