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Anonymous Poster

Ammonia Storage Horton Spheres

07/13/2010 7:34 AM

We have two horton spheres each having capacity of 750 tones of Ammonia at 8kg/cm2 pressure and ambient temperature. Dia is 15 metres. These were built in 1968 by M/s Chiyoda Japan. We are unable to trace the exact MOC of these spheres. Can any body help in identifying the MOC used during that period.

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Engineering Fields - Piping Design Engineering - New Member

Join Date: Apr 2010
Posts: 66
Good Answers: 1
#1

Re: Ammonia Storage Horton Spheres

07/14/2010 2:15 AM

Three Ammonia Drums / Sphere at my location and following pressure plates were used:

1. Drum: Built 1966 - ASTM515 Gr. 70

2. Horton Sphere: Built 1966 - BH36S (ASTM225 Gr. A)

3. Drum: Built 1966 - 13S-1051-151 (ASTM414 Gr. D)

If you want to know any further details, do not hesitate.

Regards,

Ashfaq Anwer

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Participant

Join Date: Jun 2012
Posts: 1
#2

Re: Ammonia Storage Horton Spheres

03/20/2013 10:26 PM

The MOC of these spheres are HT60 which is a Low temp Steel .

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