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  • Users: lostmeche
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  1. lostmeche

    Boilder Blowdown Piping Welding Certifications

    Hey, there. I have a question regarding welder qualifications for blowdown piping of one of our boilers. We have two boilers feeding a common header and they produce saturated steam between 200-220PSIG. Each boiler's blowdown line is connected to a common header and go to a flash tank before...
  2. lostmeche

    Spiral wound gasket keeps unwinding shortly after startup

    Hello. We have a 300PSIG MAWP - 20700lb/hr natural gas powered boiler. We have had three different spiral gaskets unwind shortly after startup. Two of them are installed by one tech and the third by different tech. The first one started leaking right off the bat where as the second one unwound...
  3. lostmeche

    Electric motor bearing fit damaged by overgreasing?

    Hello! We have a 4160V, 500HP, 1200RPM 5000 frame electric motor used in vacuum pump application. It is belt driven. The motor took a crap after the DE bearing temperature shot over 300 degrees and the shaft seized up. We pulled the cap and saw the a substantial amount of grease on the...
  4. lostmeche

    Moment capacity of bolted connection to top flange

    Hello. I'm new the community and this is my first thread. So forgive me in advance for any mistakes I make. I am designing a double overhung monorail for an electric motor and gearbox. Only one overhang will ever be loaded. Due to the location of the motor and gearbox, I am limited to how the...

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