NEOTISS™ HPT Finned Tubes

NEOTISS™ HPT Finned Tubes are a finned tubular solution that yields numerous benefits for shell-and-tube heat exchangers. In 1974, HPT (High Performance Tube, Inc.) pioneered the manufacture of integral low-fin tubing in hard-to-work alloys such as titanium, stainless steels, and high-nickel alloys, paving the way for new industrial applications of enhanced-surface heat transfer.

Applications

NEOTISS HPT Low-Fin Tubes are used in shell-and-tube heat exchangers to improve energy efficiency in refining, petrochemical, LNG, power generation, refrigeration, heating and air conditioning plants worldwide.

Benefits

• Increased surface area for heat transfer
• Smaller heat exchanger footprint
• Fewer heat exchangers required
• Reduced equipment and installation cost
• Debottlenecking existing heat exchangers
• Upgrade to corrosion-resistant alloys without sacrificing heat transfer efficiency
• Reduced fouling (in some cases)

Tube types

HPT Type 1 — Low Fin OD / Smooth ID

30 fins per inch / 0.032" fin height — Titanium and High Nickel Alloys. Provides 2.5 to 3× greater external surface area compared to smooth tube. Ideal for shell-side controlling heat exchanger applications.

HPT Type 2 — 28 fins per inch

28 fins per inch / 0.035" fin height — Stainless Steel and Duplex Steel.

HPT Type 3 — 26 fins per inch

26 fins per inch / 0.049" fin height — Copper Alloys, Carbon Steel, and Ferritic Steel.

HPT Type 4 — 36 fins per inch (light wall)

36 fins per inch / 0.026" fin height — Titanium light wall.

HPT Types 6–8 — Low Fin OD with Internal Rib

Combines 2.5–3× greater external surface area with an enhanced ID surface. Internal helical ridges create higher heat transfer through increased turbulent flow. Available in Titanium (Type 6), Austenitic Stainless Steel (Type 7), and Copper Alloys/Carbon Steel (Type 8).

HPT Type 9 — Wave Tube

Ribbed OD and ID — Titanium, Stainless Steel. Recommended for ID-controlling cases where traditional low-fin OD is not appropriate.

HPT Type 10 — Smooth OD / Microfin ID

Smooth OD with Microfin ID — Titanium, Stainless Steel. Internal helical ridges for increased turbulent flow on ID-controlling applications.

NEOTISS Thermo-C / Thermo-B / 3D Fin

Engineered fin geometries for refrigerant condensing, nucleate boiling, and optimised 3D fin surfaces for high surface tension fluids. Available in Cu/Cu-Ni (Thermo-C36, Thermo-C46), Carbon Steel (Thermo-B), and Titanium/Cu-Ni/Carbon Steel (3D Fin).