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Recent content by carrabta

  1. C

    Combination Motor/Gearbox

    Thank you all for your answers and comment. So, effectively, I was wrong and EdStainless and dgeesaman point in the right direction: determine the power on load side, then multiply by x (1.3, 1.4, 1.5...) to compensate losses in the gearbox then you have the power required for the motor. All...
  2. C

    Combination Motor/Gearbox

    Hi, On inspection of a motor/gearbox assembly that drives a large axial fan, we've found that the 110kW rated motor was attached to the Siemens H2 NV110 gearbox, which sounded just right (assuming the '110' in the name was the rating of the gearbox). However, looking at the Acceptance...
  3. C

    Modification of an EN 12952 certified boiler

    Hi, I wanted to challenge here my understanding of the regulation, so herebelow the case: A manufacturer has designed and built a water tubes boiler in accordance with EN 12 952-7. This boiler has been erected and commissioned in the UK by the manufacturer, still under EN 12 952-7. All...
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