Furnace Retube for Petrochemical Manufacturer
One of the largest petrochemical facilities in the Midwest needed to retube a furnace that reached its 400-cycle lifetime.
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Because of a Manhattan Mechanical Project Manager’s extensive experience working at the manufacturer’s ethylene facility and a solid working relationship, the client chose the company’s team of multi-skilled craftsmen to retube 880 feet worth of 5″ ANK400 tubes.
While actively working with the client to improve efficiency and safety, the Manhattan Mechanical team provided safe project execution to complete the furnace retube, which involved blinding the furnace, caulking of spring cans, cutting the furnace tubes, and removing them from the radiant-section doors.
In addition, Manhattan Mechanical’s craftsmen flew in new tubes, hung them from the spring cans, and set the tubes’ elevation. Once the elevation was set, the team purged the furnace with nitrogen to remove the air for the welding procedure. Once the air was removed, the coils/tubes were welded together and 100% X-ray inspected.
Thanks to Manhattan Mechanical’s safety-oriented, multi-skilled craftsmen, the client saved a considerable amount on overall project costs.
These craftsmen are pipefitters, boilermakers, insulators, carpenters, millwrights, ironworkers, scaffold builders, etc. During this particular capital project, the same group of craftsmen also handled welding and material handling, including operating cranes; plus helping with blinding and other aspects of the project scope. This led to increased efficiency and cost-savings for the ethylene manufacturer.
Materials:
Pipe diameter: 3/4” to 30”
Wall thickness: .1875” to 8” .125 to schedule 160
NBIC “R” Stamp: B31.3 and API 1104
Tightest Tolerances: 5/32” gap +- 1/8”
In Process Testing/Inspection Performed: 100% X-ray and final PT
Standards Met:
Safety Procedures:
Capabilities Applied:
Because of a Manhattan Mechanical Project Manager’s extensive experience working at the manufacturer’s ethylene facility and a solid working relationship, the client chose the company’s team of multi-skilled craftsmen to retube 880 feet worth of 5″ ANK400 tubes.
While actively working with the client to improve efficiency and safety, the Manhattan Mechanical team provided safe project execution to complete the furnace retube, which involved blinding the furnace, caulking of spring cans, cutting the furnace tubes, and removing them from the radiant-section doors.
In addition, Manhattan Mechanical’s craftsmen flew in new tubes, hung them from the spring cans, and set the tubes’ elevation. Once the elevation was set, the team purged the furnace with nitrogen to remove the air for the welding procedure. Once the air was removed, the coils/tubes were welded together and 100% X-ray inspected.
Thanks to Manhattan Mechanical’s safety-oriented, multi-skilled craftsmen, the client saved a considerable amount on overall project costs.
These craftsmen are pipefitters, boilermakers, insulators, carpenters, millwrights, ironworkers, scaffold builders, etc. During this particular capital project, the same group of craftsmen also handled welding and material handling, including operating cranes; plus helping with blinding and other aspects of the project scope. This led to increased efficiency and cost-savings for the ethylene manufacturer.
Materials:
Pipe diameter: 3/4” to 30”
Wall thickness: .1875” to 8” .125 to schedule 160
NBIC “R” Stamp: B31.3 and API 1104
Tightest Tolerances: 5/32” gap +- 1/8”
In Process Testing/Inspection Performed: 100% X-ray and final PT
Standards Met:
Safety Procedures:
Capabilities Applied:
