The Pipe Supports Blog » Transition Piece http://www.pipingtech.com/blog View standard and custom designed pipe supports from our past projects. Look at up-close pictures of variable spring hangers, constants and big ton springs. Read the project details, including specifications for a wide range of engineered products and services for various industries and applications. Tue, 22 May 2012 22:03:02 +0000 en hourly 1 http://wordpress.org/?v=3.1 Transition Piece for an Ammonia Plant http://www.pipingtech.com/blog/2007/12/12/transition-piece-for-an-ammonia-plant/ http://www.pipingtech.com/blog/2007/12/12/transition-piece-for-an-ammonia-plant/#comments Wed, 12 Dec 2007 23:58:55 +0000 Ray http://pipesupportsblog.com/?p=598  

Transition Piece for an Ammonia Plant

Transition Piece for an Ammonia Plant

Transition Piece for an Ammonia Plant

Transition Piece for an Ammonia Plant

SWECO Fab, Inc. designed and fabricated this transition piece for an ammonia plant in Egypt. The bottom rectangular flange measures 159″ long and 60″ wide. The top duct assembly has an outside diameter of 90″. The entire assembly measures 48″ high. The transition piece is fabricated from ASTM A516-70 carbon steel. It is used to connect a circular duct to a rectangular duct.

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]]> http://www.pipingtech.com/blog/2007/12/12/transition-piece-for-an-ammonia-plant/feed/ 0 Transition Piece for Olefin Site at Chocolate Bayou http://www.pipingtech.com/blog/2004/12/10/transition-piece-for-olefin-site-at-chocolate-bayou/ http://www.pipingtech.com/blog/2004/12/10/transition-piece-for-olefin-site-at-chocolate-bayou/#comments Fri, 10 Dec 2004 15:02:20 +0000 sylvibarra http://pipesupportsblog.com/?p=615
Transition Piece for Olefin Site at Chocolate Bayou

Transition Piece for Olefin Site at Chocolate Bayou

Transition Piece for Olefin Site at Chocolate Bayou

Transition Piece in Progress

Sweco Fab, Inc. recently designed and manufactured a 1,900 lb. transition piece for an olefin site at Chocolate Bayou on the Texas Gulf Coast. The product transitions from round to oval and is made of 36″ half pipe construction. The piece measures 36″ x 72″ x 60″ and is constructed of carbon steel. The transition piece will be used to regulate the flow of both air and liquid. Prior to shipping the product was hydrotested to guarantee quality.

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]]> http://www.pipingtech.com/blog/2004/12/10/transition-piece-for-olefin-site-at-chocolate-bayou/feed/ 0 April 2001 News http://www.pipingtech.com/blog/2001/04/10/april-2001-news/ http://www.pipingtech.com/blog/2001/04/10/april-2001-news/#comments Tue, 10 Apr 2001 14:42:50 +0000 sylvibarra http://pipesupportsblog.com/?p=2221 PT&P Manufactures Custom Designed Embed Plates for Gold Mine in Cajamarca, Peru
Piping Technology & Products, Inc., designed and manufactured 150 special embed plate pieces for Latin America’s largest gold producer. This project involved the production of one hundred fifty, 93″ x 27″ x 1″ embed plates which required the use of 80,000 pounds of steel and anchors. The custom designed, carbon steel, embed plates are to provide stability for the feed openings of four mineshaft reclaim tunnels and are scheduled to be put to use immediately.

Custom Embed Plates for Gold Mine in Cajamarca, Peru

Custom Embed Plates for Gold Mine in Cajamarca, Peru

How to Avoid Pipe Stress
What is Pipe Stress?
“Pipe Stress” refers to piping flexibility analysis.

High Stress Locations on Pipes
High stress areas generally occur at piping elbows, tees and other branch connections. The B 31.3 Piping Code provides stress intensification factors for such locations. Computer piping programs generally do piping flexibility analysis for those other than very simple systems.

Signs of Pipe Stress
An overstressed system could fail by fatigue, leading to a crack, buckling of the elbows, or overload on equipment nozzles.

How to Reduce Pipe Stress
High stress should be uncovered in the design stage. However, existing systems can be checked for incipient cracks by x-ray, ultrasound, acoustic emission or dye penetrant. Also, rerouting the pipe can provide more flexibility and sometimes reduce high stress. When rerouting is impossible or not practical, then pipe stress can be reduced significantly by adding Bellows Expansion Joints. Any sections of the pipe showing cracks must be replaced.

Product of the Month

Transition Piece

Transition Piece

Transition Piece

Transition Piece

(at left)47.25″ I.D. x 23.625″ I.D. 5A516-70 Transition Pieces w/ 5A36 stiffner for ethylene plant in Saudia Arabia. (at right)47.25″ I.D. Universal Expansion Joint w/ SB443 round corners bellows, and SA516-70 flanges for ethylene plant in Saudia Arabia.

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