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Cutting Plate
Steel plate is cut to the dimensions as
indicated on the fabrication drawing. |
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Rolling Plate Rolling machine forms the cut steel plate into a cylinder. |
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Finished Rolling Plate
A steel plate that has been rolled into a
cylinder. Seam is welded to complete the process. |
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Braces Bell ring, spigot ring and flange, as well
as braces, are attached to the cylinder.
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Wire Mesh
Wire mesh is laid out on both the inside
and outside the cylinder. |
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Wire mesh is welded onto the
cylinder |
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After the completed fitting
assembly is inspected, it is moved to the coating/lining area for lining. |
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Application of Lining and
Coating
Lining and coating of fittings is done
using the gunite machine. |
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Completed
Fittings
Both coating and lining are finished by
hand. Edges of coating and lining and any other irregularities are
smoothed. In the same manner as in standard pipes, completed fittings are brought to the yard for further finishing including
application coal-tar epoxy coating, painting of exposed steel surfaces
with a rust inhibiting paint, painting the pipe exterior with white
sun-reflective paint, and covering the ends with plastic caps. |
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