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  • Users: GHartmann
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  1. GHartmann

    Should I apply to job direct or through recruiting agency?

    I have found a job I want to proactively apply for. I am trying to decide whether to apply directly to the company with the job opportunity or through a recruiting agency. I first learned of the job through an internet job search that ultimately linked me to a recruiting agency. I do not have...
  2. GHartmann

    Pressure Gain in Pipe Expansions?

    I have always assumed the K friction values and equations utilized for sudden or gradual expansions was a true friction loss in pressure. However, just the other day someone suggested that there would actually be a gain in pressure as the velocity head lost was converted back to pressure. In...
  3. GHartmann

    API Guidelines for Fire Protection

    I have a pressurized liquid ammonia storage tank (12' ID x 124' long = 108,000 gallons) that requires pressure protection for: Heat input from steam coil Blocked flow The design pressure of the vessel is 275 psig. What I am wondering is since ammonia is not easily flammable (although the...
  4. GHartmann

    Ruhrpumpen Pumps Reliability

    Does anyone have any experience with Ruhrpumpen pumps: 1) Vertical Turbine Pump Type VCT 37KXH - Utilized in below grade cooling tower basin for providing 16,500 GPM of cooling water at 65 psig 2) Horizontal (axial) split case between bearing (non API610) type HSM - Utilized for boiler...

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