Pairs of parallel shaped steel fins are resistance welded to the single pressure tubes (pipes) surface under very carefully controlled conditions. The purpose build welding machine ensures very precise indexing along the entire length of the tubes (pipes) and exact parallel attachment.
A development of the single tubes (pipes) version, the 'Double H' design has the steel fins welded onto two tubes at the same time. For applications with cleaner gases the use of 'Double H' can reduce the number of supports required due to its inherent stiffness.
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Tube O.D.: |
25.0 to 73.0 (mm) |
.1/2” to 2-1/2” (NPS) |
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Tube Length: |
≤ 18,500 (mm) |
≤ 60.7’ |
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Fin Thickness: |
1.5 to 4.0 (mm) |
.060” to .157” |
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Fin Height: |
25.0 to 45.0 (mm) |
.98” to 1.77” |
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Fin Pitch: |
20 to 117 FPM |
1 to 3 FPI |
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Fin Type: |
H, HH |
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Fin Material: |
·Carbon Steel ·Stainless Steel |
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Tube Material: |
·Carbon Steel ·Stainless Steel |
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* For customized size please contact us. |
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