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Butterflies of wire are created outer and inner side of pipes to boost the cooling of Steam. manufacturing metals are:

  1. Copper to Copper
  2. Copper to MS
  3. MS to Copper
  4. MS to MS

A strip of metal is used in both outer and inner side of pipes.
manufacturing metals are:

  1. Copper to Copper
  2. Copper to MS
  3. MS to Copper
  4. MS to MS

Aluminum Coil for Cooling of steam is the latest technology which uses aluminum pies and Z fins to enhance Cooling.