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  • Users: lylek
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  1. lylek

    HVOF Coating Thickness

    I've been looking into hardface coatings on pipeline Ball Valves and was wondering what the typical coating thickness was for HVOF Tungsten Carbide on balls and seats. Are there specific minimum/maximum coating thickness limits that give the best performance? Does the thickness put down depend...
  2. lylek

    Ball Valve Seat Geometry

    I'm looking into differences in ball valve design, especially with respect to Ball/Seat combinations in metal sealing applications. From what I have seen to get bubble tight sealing, balls are match lapped to their seats, but is it usual to start with a seat which has an initial spherical...
  3. lylek

    Measuring Projector Light Output

    I'm looking for a way to measure the light output in lumens from a projection system. Any suggestions?

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