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Typical water jet cutting machines have a working envelope as small as a few square feet, or up to hundreds of square feet. Ultra-high-pressure water pumps are available from as low as 40,000 psi (280 MPa) up to 100,000 psi (690 MPa). [44] There has also been a growth in small, desktop-sized machines that operate at pressures under 10kpsi.
Ultra high pressure water jet cutters are used to cut a wide variety of materials including granite, concrete (see hydrodemolition), ceramics, fabric and even Kevlar. [15] One such cutter delivers 55,000 psi (380 MPa) through a nozzle 0.003 inches (76 μm) in diameter at 1 kilometre per second, which can cut a person at a close range.
Its product range includes high-pressure pumps and units with pressures of up to 3000 bar, as well as water tools for lower pressures. [64] [65] High-pressure water jet technology is used for the removal of paints and coatings, the repair of concrete, the cleaning of containers, and the precise cutting of metal. [66]
Pages for logged out editors learn more. Contributions; Talk; High-pressure water jetting
A deluge gun can discharge 7,500 litres (2,000 US gal) per minute or more. A master stream is a fire service term for a water stream of 1,250 litres (330 US gal) per minute or greater.
A similar technology is the high pressure hybrid water-abrasive-ice jet treatment. Such technology is based on a high- pressure abrasive-water jet with addition of dry-ice pellets CO 2 . Borkowski et al. [Bor03] show that effectiveness of surface treatment with the hybrid jet depends on the quality of ice particles.
A pump-jet, hydrojet, or water jet is a marine system that produces a jet of water for propulsion. The mechanical arrangement may be a ducted propeller ( axial-flow pump ), a centrifugal pump , or a mixed flow pump which is a combination of both centrifugal and axial designs.
These include water, sand, crushed glass, dry ice and soda. High-pressure water blasting method uses 30,000 psi (210 MPa) water jet system on a truck equipped with vacuum heads to blast out the markings and suction up the water and debris back to the storage area of the truck. The method can remove markers at speeds of 2 mph (3.2 km/h).
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