![]() ![]() This spec gives you a fairly good idea of the cleaning power of a specific pressure washer. ![]() The cleaning unit (CU) is the figure obtained when you multiply the PSI by the GPM. Pressure washers with a high PSI can be more difficult and taxing to use. Note that the more pressure a machine delivers, the more physically demanding it is on the operator who has to offset the force of the water stream. They typically use powerful detergents in their pressure washers, which effectively dissolve dirt and grime to lift the debris from the surface more easily. That said, very often contractors and professional cleaners pay particular attention to the GPM. Now that you understand what PSI and GPM refer to, you can appreciate why both these specs are important in determining a pressure washer’s cleaning capacity. The GPM of effective commercial pressure washers ranges from 2.2 to 10. The higher a pressure washer’s GPM, the quicker you can wash a surface clean. It refers to the flow rate or the volume of water that moves through the pressure washer’s nozzle every minute. The PSI of effective commercial pressure washers ranges from about 2,000 to 3,000. When a pressure washer boasts a high PSI, you can count on it to lift the stickiest and most stubborn gunk. Think of PSI as the brute force of the water stream. It refers to the intensity of the pressure with which the machine sprays. A unit’s ability to do the first action is partially measured by PSI its ability to do the second action is measured by GPM. To effectively clean a surface, a pressure washer needs to be able to do two things: separate dirt and grime from the washing surface and rinse it away. Plus, find out what type of pressure washer is best for your individual needs. Here’s what you should know about PSI, GPM, CUs and what these terms say about a pressure washer’s cleaning ability. Whether you own a small business in Western Canada or manage an industrial worksite in North Dakota, HotsyAB has a pressure washer that’s right for you. That’s why Hotsy Water Blast has a large selection of pressure washers to choose from. To measure a machine’s true cleaning capacity, it’s important to factor in PSI, GPM and CUs.Īdditionally, how you use your pressure washer is key. However, there are other considerations to weigh. When comparing pressure washers, consumers tend to fixate on the PSI. ![]()
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