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Surface preparation

Stripping coatings & corrosion

Surface preparation generally refers to the stripping of coatings & corrosion using Ultra High Pressure (UHP) water jetting equipment at 2000-3000bar (30,000-43,500psi). 
At these pressures the velocity of the water jet is 500-600m/sec (Mach 1/speed of sound is 340 m/sec) which will strip the toughest of coatings with plain, fresh water.

Hughes Pumps manufactures a range of UHP pumps to cater for various surface preparation tasks, from the compact UB10, single gun unit for blasting small areas typically offshore on oil & gas platforms or on ships during voyage where space & fresh water are at a premium, through to the larger UB24 which can be used with single or twin jetting guns or with an automated crawler for stripping large areas, typically ships hulls & oil storage tanks.

 

The velocity of the water jet is over the speed of sound which will strip the toughest of coatings

Benefits of Water Jetting

  • Dust free allowing other trades to work in the vicinity
  • Minimal waste disposal, 98% less than grit blasting
  • Environmentally friendly
  • Reduces time during dry-docking
  • No contamination of sensitive rotating equipment
  • In marine environments removes all chlorides from substrate leaving a perfect surface for new paint
  • Unlike grit blasting does not profile steel so does not trap chloride contaminants in the substrate
  • Minimal water consumption, most of which evaporates
  • Sheeting not required
  • Can be used in wet & windy conditions
  • The pump is versatile & can be used for other cleaning & cutting applications

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Water Jetting brochure

Find out about our range of water jetting equipment - pumps, units and large range of accessories. 

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Process Pumps brochure

Find out about our range of process pumps, which cover a large range of applications.

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