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Pressure washing or power washing is the use of high-pressure water spray to remove loose paint, mold, grime, dust, mud, chewing gum and dirt from surfaces and objects such as buildings, vehicles and concrete surfaces. The volume of a mechanical pressure washer is expressed in gallons or litres per minute, often designed into the pump and not variable. The pressure, expressed in pounds per square inch, pascals, or bar, is designed into the pump but can be varied by adjusting the unloader valve. Machines that produce pressures from 750 to 30,000 psi (5 to 200 MPa) or more are available.
Hydro-jet cleaning is a more powerful form of power washing, employed to remove buildup and debris in tanks and lines.
Video Pressure washing
See also
- Briggs & Stratton
- Kärcher
- Nilfisk
- Reverse graffiti
Maps Pressure washing
References
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Further reading
- Steel Structures Painting Council (1995), Surface Preparation and Cleaning of Steel and Other Hard Materials by High- and Ultrahigh-Pressure Water Jetting Prior to Recoating. Pittsburgh, PA. SSPC
- U.S. Water Jet Technology Association, Recommended Practices for the Use of Manually Operated High-Pressure Water Jetting Equipment, St. Louis, MO: US Water Jet Technology Association, 1987
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External links
Source of the article : Wikipedia
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