Nozzle Loads, Piping Stresses, and the Effect of Piping on Equipment
Nozzle Loads, Piping Stresses, and the Effect of Piping on Equipment
Nozzle Loads, Piping Stresses, and the Effect of Piping on Equipment
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<str<strong>on</strong>g>Nozzle</str<strong>on</strong>g> Load Issues for Different Pump<br />
Types<br />
• Horiz<strong>on</strong>tal Overhung (OH2)<br />
– Stress engineers calculate <str<strong>on</strong>g>the</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g>rmal growth<br />
<str<strong>on</strong>g>of</str<strong>on</strong>g> each nozzle <str<strong>on</strong>g>and</str<strong>on</strong>g> insert that into <str<strong>on</strong>g>the</str<strong>on</strong>g><br />
assumed anchor <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> AutoPIPE calculati<strong>on</strong>.<br />
• Vertical In-Line (OH3)<br />
– Stress engineering needs to know if <str<strong>on</strong>g>the</str<strong>on</strong>g>se<br />
pumps are floating <strong>on</strong> <str<strong>on</strong>g>the</str<strong>on</strong>g> foundati<strong>on</strong>.<br />
– If <str<strong>on</strong>g>the</str<strong>on</strong>g>y are floating, <str<strong>on</strong>g>the</str<strong>on</strong>g> pump will move with<br />
<str<strong>on</strong>g>the</str<strong>on</strong>g> pipe expansi<strong>on</strong> at startup to a steady state<br />
positi<strong>on</strong>.<br />
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