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  • Users: TheRyno
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  1. TheRyno

    Socket weld leaks at overlap/crater

    Hi All, I'm trying to decrease frequency of weld leaks in an automated GMAW-P socket weld process. It is a weld between a "cap" and a tube which are pressed together, then welded in an automated rotating fixture. It is SAE 1010 steel, and the cap has wall thickness .080" and the tube is .049"...
  2. TheRyno

    NPSHR for Grainger pump 4RU77

    Hi All, I have called grainger about getting the technical data for their DAYTON 4RU77 pump, i.e. I wanted a pump curve and NPSHR. They faxed me basically a maintenance and repair guide. The only useful piece of info I got from it was that for swimming pool application the Suction head can be...

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