Pressure Washer Nozzle Size Calculator

Proper nozzle size is important to get the most from your pressure washer.

Pressure washer nozzle size calculator.

Now look all the way to the left and find the orifice size required by your system. Select the type of unloader on your unit. First select the column with the required pressure across the top then read down the column to find the amount of flow of your system. This chart will assist you with the selection of the proper nozzle size.

Pressure l min holes calculation example. Nozzle tip size selection chart. Having a pump of 200 l min at 1540 bar a 6 rear jets nozzle and a 10 pressure loss it is possible to calculate holes diameter as follows. P 150 bar 10 pressure loss 135 bar.

200 l min 6 holes 33 3 l min for each hole. Let s say the calculator says you re in between sizes and the nozzle size is 2 79. A nozzle sized too small can create too much pressure overloading the pump and possibly causing engine or electrical issues. To match the nozzle orifice to your systems requirements begin by finding the psi rating on top.

Use the calculator to properly size the nozzle for your machine. To use the nozzle size calculator. Enter the working pressure of your unit in the pressure box. The incorrect size would affect the pressure and either reduce it or even break the machine.

Turbo rotary nozzle tips. We have a wide variety of pressure washer nozzles. Example 2 58 would round to the nearest half size we offer which is 2 5. Pressure washer nozzles sizing chart.

If the nozzle size is to large your cleaning ability will be reduced. This is actually the most important factor as the incorrect size would affect the pressure and either reduce it or even break the. Once the nozzle size has populated round to the nearest available size. Most in gallons per minute and pressure output.

The required nozzle orifice size will be shown in the nozzle size box. Choosing a nozzle with too small of an orifice will limit water flow and possibly create an excessive load on the machine. Enter your units flow in gallons per minute in the pump flow box. The spray pattern usually covers an area anywhere from 3 8 inches depending on how far the lance is from the surface.

Using the calculator below enter your rated gpm and psi of your pressure washer. Rotary nozzles are great for use on stubborn stains wall cleaning paint stripping and more. A nozzle sized to large will result in pressure lower than desired. To find the correct nozzle size you need to know the flow of your system and the pressure you wish to achieve.

Pressure washer rotary nozzles act as a zero degree tip that sprays in a circualar motion. I know how confusing it must be selecting the proper pressure washer nozzle size. Follow this column down until you find the gallons per minute rating of your pump. Choosing a nozzle with too large of an orifice will reduce operating pressure.

Please note that nozzle fan degree does not effect nozzle size selection.