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#60988 - 11/03/14 07:14 PM Spring Hanger Variation in WIND
MONTEK99 Offline
Member

Registered: 12/05/08
Posts: 15
Loc: PUNE, INDIA
Hello,
Please suggest about % variation in Hangers:

Is it necessary to satisfy 25% variation limit for Spring Hangers in WInd case also?

I am doing Large bore piping analysis with high temp of 426 deg celsius. There are many stand by cases as well . % variation for all stdby cases is OK. But when it comes to wind case, % variation (at design temp) increases up to 29 % . Say, if it is accepted by Spring vendor & it is in static equipment's vicinity, should I really bother for % variation in wind?


Kindly suggest.

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#60990 - 11/03/14 10:26 PM Re: Spring Hanger Variation in WIND [Re: MONTEK99]
CAESARIII Offline
Member

Registered: 10/30/13
Posts: 178
Loc: Seoul, S.Korea
Acc to MSS SP-58, Load variation of Spring support shall not exceed 25%. If the load variability factor is higher than 25%, decrease spring rate.
_________________________
Kind regards,
MK

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