| Pressure washers direct a high-pressure
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| | plunger pumps may be more efficient in
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| stream or jet of water against a surface
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| | electrical energy costs compared to
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| to clean, descale, degrease or prepare a
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| | intensifiers, but at high pressures
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| surface. Pressure washers may use either
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| | (>20,00 psi) seals must be periodically
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| cold water or hot water and steam to
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| | replaced. Crankshaft driven plunger
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| perform their function, and the water is
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| | pumps also provide a virtually ripple
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| often mixed with various cleansers,
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| | free pressure source in comparison to
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| detergents or solvents. They are used
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| | intensifiers. An accumulator may be
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| for cleaning, or for the demolition of
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| | required to smooth out pressure
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| products made of metal, wood, concrete,
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| | fluctuations if an intensifier pump is
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| stone, plastic, glass or other building
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| | used.
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| materials.
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| | Dust collection or filtration systems
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| Pressure washers are available as
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| | remove fine particle sizes of abrasive,
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| complete machines or systems, or they can
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| | swarf, grease or other blasting waste
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| be purchased in component form and built
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| | (removed scale or stock in the form of
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| from the ground up, or to replace worn
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| | dust or fine swarf) that would otherwise
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| out parts. Specific available parts
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| | contaminate the environment.
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| include the gun or lance, the pumping
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| | Pressure washing cabinets are
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| unit, separators or reclaimers,
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| | glovebox-like vessels that hold the
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| filtration system, blast cabinets and
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| | workpiece and the blasting process. Wash
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| blast rooms, water blast wheel, and water
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| | cabinets usually consist of a chamber
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| storage tank.
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| | with glove ports, viewing window and
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| The gun or lance directs the stream fluid
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| | internal lighting. The workpieces rest
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| (air or water) through a nozzle and at
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| | on an open grid that allows used wash
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| the appropriate region of the workpiece.
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| | fluid to drop through for recycling. The
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| Some pressure washers have wear resistant
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| | operator may hold the washing nozzle on
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| nozzles and optional abrasive injectors
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| | the end of a lance. The workpieces rest
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| to provide wet sandblasting capability.
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| | on open grid flooring that allows used
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| The pumping unit is the pressure
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| | water and/or cleanser to drop through for
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| generator used to force out the carrier
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| | recycling or treatment.
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| fluid at high velocity. Plunger-type
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| | The water blast wheel propels and directs
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| intensifier pumps are commonly used to
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| | a wide stream of abrasives and carrier
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| generate high-pressure water for water
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| | (water or air) at the appropriate region
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| jet cutting and wet or water abrasive
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| | of the workpiece.
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| blasting for non-abrasive pressure
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| | Water tanks or hoppers are used by
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| washing or rinsing. Crankshaft driven
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| | pressure washers for the storage of dry
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| plunger pumps are commonly used for
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| | abrasive grains, blasting media or
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| pressure generation. Crankshaft driven
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| | abrasive-water slurry mixtures.
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