Ragworm® Water Jet Cutting Machine Removes Storage Tank Floors, Roofs When a Norwegian oil refinery set its sights on becoming the safest refinery in Europe, it challenged Jet Set Hydro Technics B.V. of theNetherlands to develop a method for removing worn storage tank bottoms with ultra-high pressure waterjet. Jet Set met this challenge by developing RAGWORM®, a unique robotic system that uses dual 46,400 psi (3,200 bar) waterjets to strip the tank walls from their old floors and roofs without the risk of explosion or creation of toxic fumes associated with traditional cutting methods such as oxyacetylene torches. Jet Set President Martin Grijpstra said his product is not only safer, but also is much more efficient than traditional cutting methods. "RAGWORM® is at least 5 times faster th

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