Thursday, August 29, 2013

Speciality Tubular Products and its Types

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There are many specialty tubular products designed for special applications requiring unique manufacturing methods for production. Examples are the rifled boiler tube, the finned heat-exchanger tube, the duplex tube, and the double-wall tube.

Single rifled boiler tube
Fig. 1 - Single rifled boiler tube
The rifled boiler tube (Fig. 1) is used to provide an improved heat transfer surface on the inner surface of a boiler tube. The rifling twist, similar to that of a rifle, is produced by specially shaped mandrels over  which the tube is drawn.

Monday, August 5, 2013

Olden Days of 3D Modeling in Petrochemical Industry

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The olden days :)

This is what modeling looked like before computers. I wonder if anyone still does this. It looks like models of various plants.

So, before computer 3D modeling, there was this. And before models there was 'Plans/sections & details' drafted on a drafting board then they just built the plant. 

Tubular Product Classification (Piping and Tubing)

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Pipe and tubing are considered to be separate products, although geometrically they are quite similar. ‘‘Tubular products’’ infers cylindrical products which are hollow, and the classification of ‘‘pipe’’ or ‘‘tube’’ is determined by the end use.

 

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