This pressure is more than a garden hose.
Pressure washer gpm needed.
You buy a 2 8 gpm unit.
A 1 500 psi unit might indicate a high pressure to a homeowner for cleaning decks and siding.
This is ideal for deep cleaning concrete stripping paint or graffiti and more.
Commercial grade pressure washers are included in this group starting at 3100 psi.
Higher gpm is needed for any seriously large or fast cleaning job.
The psi is necessary to break the chemical bond between the surface and the stain.
Remember if you re never going to exceed 2500 psi then you can save some money by choosing a 2600 psi pressure washer over a 3000 or 4000 psi pressure washer.
Commercial pressure washers are great for the toughest of stains and paint prep.
The gpm of a commercial pressure washer can be up to 4 0 gpm.
These pressure washers put out 2800 psi and higher at 3 to 4 gpm.
Pressure washer psi and gpm work together to provide the most efficient cleaning.
The exact or a range of psi required is what the pressure washer psi chart reveals.
Or cleaning off a patio etc.
Water pressure is measured in psi.
Gallons per minute gpm water flow is measured in gpm.
Learning how much pressure is required to successfully clean different surfaces materials or objects will help you determine what size pressure washer you would best benefit from.
The larger the gpm the more surface area a pressure washer can clean.
The durable machines make light work of many large scale cleaning jobs including graffiti removal paint stripping and washing two story homes.
Let me give you an example.
Unlike cars you won t scrape away the finishing of the wood furniture.
Psi rating isn t the only spec to keep in mind when pressure washing however there is also the gpm rating gallons per minute.
On the contrary this pressure is too less to clean parking areas stained with tar.
A little 2 5 is fine for washing your car.
The pressure put out by a power washer is measured in psis pounds per square inch.
The stronger the chemical bond the more pressure you ll need to remove it.
With wood you will need a stronger pressure washer because you ll need the strength for spraying away the mold and the mildew.
For the toughest deep cleaning jobs consider 3100 psi pressure washers.
It is recommended that you get a machine with a pressure level of around 2500 psi with around 2 0 gpm.
Gas powered pressure washers typically put out more psi pressure compared with electric models.
Even if the gpm water flow of your water supply is just a little bit lower than the gpm specs of the pressure washer you can wind up ruining the unit.
The gpm number on the pressure washer has to match the capacity or the pressure of the water supply.
