Pressure Washer Flow Rate

So that is 50 gallons with the water hose vs.

Pressure washer flow rate.

12 gallons with the pressure washer. This gives the pressure washer between 5 18 times more cleaning power using 68 less water. Psi nozzle size orifice calculate the pressure required. Pressure which is measured in pounds per square inch psi and water flow rate measured in gallons per minute gpm.

A light duty residential pressure washer uses 1 6 gpm at a pressure of 1750 psi. Karcher appears to be an exception. This video claims that their units can draw the water they need from a static source like a drum or tank of water or a pool using a siphon hose. Flow rate flow rate is measured in litres.

The powerful performance of this gas pressure washer can be attributed to a lot of things but mostly to its 208cc 7 hp ohv engine and 3 piston axial cam high pressure pump which has the ability to pump water at a flow rate of 2 5 gpm and force of 3100 psi. Jetter and pressure washer nozzle calculator sizing chart. The first has a flow rate of 3 5 gallons per minute at a pressure of 2 000 psi giving it a rating of 7 000. More watts equal more power.

But a machine with higher ratings will clean much much faster. The faster the flow rate the quicker the water comes out. Pressure washers carry two ratings that reflect their cleaning power. Basically the higher the two numbers on your pressure washer rating the more powerful the machine you have.

The bar is the energy with which the water will hit the surface you are cleaning. A machine with lower ratings can do almost all the jobs a more powerful machine can do. Higher pressure is best for tough jobs while light jobs. 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 lpm is the flow rate of water in litres per minute that your pressure washer produces. Click here for all jetter nozzles. Most consumer pressure washers require a feed at typical municipal pressure and at a flow rate of more than the washer s output. An average garden hose allows water to flow at a rate of 5 10 gpm gallon per minute at a pressure of 30 50 psi pounds per square inch.

Pressure rated bar is the average pressure a pressure washer will reach while you use it. Gpm gallons per minute also called flow rate is the amount of water delivered by the machine in one minute. Power a pressure washer s power is measured in watts. The gpm number on the pressure washer has to match the capacity or the pressure of the water supply.