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  • Users: Geby
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  1. Geby

    Pump construction for typical HVAC applications

    I have a question and will appreciate any input. Cast iron, bronze fitted pumps seem to work well for most HVAC applications. As I work to revise my employer’s standard specification for HVAC pumps, I will need to generate a list of any HVAC applications for which special pump construction...
  2. Geby

    Pump construction for typical HVAC applications

    Greetings to all, I have a question and will appreciate any input. Cast iron, bronze fitted pumps seem to work well for most HVAC applications. As I work to revise my employer’s standard specification for HVAC pumps, I will need to generate a list of any HVAC applications for which special...
  3. Geby

    Condenser water pumps - strainers

    I am attempting to solve a pump cavitation problem in a condenser water system with an open cooling tower. The pumps are base mounted single suction with inlet strainers installed. I am thinking that the additional pressure drop caused by the inlet strainers may be causing the pumps to...
  4. Geby

    close coupled vs base mounted pumps

    Pump manufacturers such as B&G offer the same pump in either a base mounted or a close-coupled design. I am wondering why close-coupled pumps are used so infrequently when compared to base mounted pumps. Base mounted pumps need to be aligned, which requires special skills and tools. I suspect...
  5. Geby

    Flanged Steam Piping - Proper installation method

    I would like to thank each of you for taking the time to respond to my post. This is the first time that I have posted a question to this forum and I can't believe how much good advice you all have offered. What a resource this forum is. I now have my work cut out for me reading through the...
  6. Geby

    Flanged Steam Piping - Proper installation method

    Leaks have occurred in flanged piping joints at a 125psi working steam pressure. Piping is schedule 40 steel. Leaks have occurred in pipe sizes 4", 6", 8", & 10". I have been tasked with identifying what needs to be specified for future installations to ensure that no leaks occur. I...

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