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  1. cosmalaserguy

    Dealer claims "low press N2 is new trend" ??

    Look into Laval nozzles it is a venturi type nozzle. The shape causes a increase in velocity which causes an pressure increase at the work piece. I have tried them however the process window cutting with these types of nozzles is very small. You can get approx a 30% increase in force however...
  2. cosmalaserguy

    Chiller Fluid Additives

    The water tends to evaporate. The DowFrost stays you should usually just add water. Change the water yearly.
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