the acceptable nozzle loading for the pump is dictated by API 610. The API
requires that the piping layout should not cause excessive shaft
mislaignment ot distortion of the casing. Translation - ensure that the
calculated pipe stress is less than the API610 allowable. Current industry
practice is to limit the casing distortion to .002".
The key to API 610 is to ensure that the resultant force and moment
(applied) satifsy the interaction formula by a factor not exceeding 2.
Please observe also that the equation for the load allowables is
based on the pump weight and flange size.
> ----------
> From: shivakumar angadi[SMTP:shivku_2000@yahoo.com]
> Reply To: <a href="/group/PipingDesign/post?postID=CzWj5seHixtXyfOGtStS-eKTebzEjrcyDItHCNyuSiAoByo5F65uki_QznoIthnj4qrF9cH_ODrBtZTh-RC5kO2qgvE">PipingDesign@yahoogroups.com</a>
> Sent: 16 September, 2001 9:07 AM
> To: <a href="/group/PipingDesign/post?postID=CzWj5seHixtXyfOGtStS-eKTebzEjrcyDItHCNyuSiAoByo5F65uki_QznoIthnj4qrF9cH_ODrBtZTh-RC5kO2qgvE">PipingDesign@yahoogroups.com</a>
> Subject: [PipingDesign] Pump Nozzle loads
>
> Hello All,
>
> It has been observed in Pump nozzle loadings, In case
> of Thermal load analysis, even at ambient temp. loads
> on nozzles comes very very high compare to sustained
> loads. Unimaginably high loads leave analysing
> engineer without any solutions. Even system may not
> worth to add any expansion loops nor bellows. Any
> suggestions from dear and experienced membsers to tame
> this loads ( forces and moments)within allowable?
>
> Thanks
>
> shivakumar
>
>
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Received on Sun Sep 16 06:32:00 2001