![]() Today it is still regarded as the most effective design in the world for preventing surface rock jams, and can be found on all of the 3" and larger dredges. We pioneered the original non-clogging power jet system many years ago.Here is where the advantages of owning a Proline become more apparent. Indoor-outdoor carpeting and rubber riffles don't even come close to matching the performance of Nomad. Nomad matting ("Miners Moss") is installed in all powered equipment for the full length of the recovery system.We don't use cast pulleys, as they're weak and don't run as true. Our compressor drives include high quality belts and steel pulleys. We supply the best American made diving air compressors on the market.All steel components are plated for corrosion resistance.We use grade 8 hardware and nylon lock-nuts on every piece of equipment.Our footvalves are made out of steel and aluminum, and can be rebuilt if necessary.Extensive use of highly accurate laser-cut steel and aluminum parts simplifies assembly, and the replacement of those parts when necessary.This is the toughest, most UV resistant plastic available. We make our pontoons, flares, and hoppers out of 100% pure cross link polyethylene.Our sluice boxes are made out of thick aircraft grade aluminum, and are heli-arc welded inside and out. ![]() We CNC machine them, install American made gaskets and seals, then hand assemble them to check clearances.
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