PTFE (Polytetrafluoroethylene) coil heat exchangers and immersion systems are used in various industrial applications
for efficient heat transfer. PTFE is a highly inert and non-reactive material, making it suitable for use in corrosive environments
and with a wide range of chemicals.
Coil heat exchangers are designed with a coiled PTFE tube that allows for a large surface area to maximize heat transfer.
The coil is typically housed in a shell, and the fluid to be heated or cooled flows through the coil while the heat transfer
medium (such as steam or hot water) flows around the coil. This arrangement facilitates efficient heat exchange between
the two fluids.
PTFE immersion systems, on the other hand, involve immersing a PTFE coil or bundle of PTFE tubes directly into a tank or
vessel containing the fluid to be heated or cooled. The heat transfer medium is circulated through the PTFE coil, transferring
heat to or from the surrounding fluid.
Both PTFE coil heat exchangers and immersion systems offer several advantages. PTFE is resistant to corrosion, high temperatures, and most chemicals, making it suitable for use with aggressive or corrosive fluids. It also has excellent thermal conductivity, allowing
for efficient heat transfer. Additionally, PTFE is non-stick, which minimizes fouling and scaling, reducing maintenance requirements
and improving system performance.
These heat exchangers and immersion systems find applications in industries such as chemical processing, pharmaceuticals, food
and beverage, and semiconductor manufacturing. They are used for processes such as heating or cooling of chemicals, solvents,
acids, and other fluids, as well as for condensation and evaporation processes.
In summary, PTFE coil heat exchangers and immersion systems offer efficient and reliable heat transfer solutions for a wide range
of industrial applications. Their corrosion resistance, thermal conductivity, and non-stick properties make them ideal for use with aggressive fluids and in demanding environments.
| PTFE Heating and cooling coils |
| Exchange area Sq.Ft | Connections Inch | Length In./mm | Width In./mm | Thickness In./mm | Model No. |
| 5.5 | 3/4 FNPT | 11.5(292) | 11.5(292) | 2(51) | XC-12-12 |
| 11 | 3/4 FNPT | 15.5(394) | 15.5(394) | 2(51) | XC-16-16 |
| 16.5 | 3/4 FNPT | 17.5(445) | 17.5(445) | 2.36(60) | XC-18-18 |
| 22 | 3/4 FNPT | 19.7(500) | 15.7(400) | 2.36(60) | XC-20-16 |
| 27.5 | 3/4 FNPT | 19.7(500) | 19.7(500) | 2.36(60) | XC-20-20 |
| 33 | 3/4 FNPT | 23.5(597) | 23.5(597) | 2.36(60) | XC-24-24 |
| 38.5 | 3/4 FNPT | 27.5(700) | 23.5(597) | 2.36(60) | XC-28-24 |
| 44 | 3/4 FNPT | 27.5(700) | 27.5(700) | 2.76(70) | XC-28-28 |
| 49.5 | 3/4 FNPT | 31.5(800) | 31.5(800) | 2.76(70) | XC-32-32 |
| 55 | 1 FNPT | 33.9(860) | 33.9(860) | 2.76(70) | XC-34-34 |
| 60.5 | 1 FNPT | 35.5(900) | 31.5(800) | 2.76(70) | XC-36-32 |
| 66 | 1 FNPT | 35.5(900) | 33.9(860) | 2.76(70) | XC-36-34 |
| 71.5 | 1 FNPT | 35.5(900) | 35.5(900) | 2.76(70) | XC-36-36 |
| 77 | 1 FNPT | 39.5(1000) | 33.9(860) | 3.15(80) | XC-40-34 |
| 83.5 | 1 FNPT | 39.5(1000) | 35.5(900) | 3.15(80) | XC-40-36 |
| 89 | 1 FNPT | 39.5(1000) | 39.5(1000) | 3.15(80) | XC-40-40 |
| 94.5 | 1 FNPT | 39.5(1000) | 39.5(1000) | 3.15(80) | XC-41-41 |
| 99 | 1 FNPT | 43.3(1100) | 39.5(1000) | 3.15(80) | XC-43-40 |
| 104 | 1-1/2 FNPT | 43.3(1100) | 39.5(1000) | 3.54(90) | XC-44-40 |
| 110 | 1-1/2 FNPT | 45.3(1150) | 39.5(1000) | 3.54(90) | XC-45-40 |
| 115 | 1-1/2 FNPT | 47.2(1200) | 39.5(1000) | 3.54(90) | XC-47-40 |
| 120 | 1-1/2 FNPT | 47.2(1200) | 39.5(1000) | 3.54(90) | XC-48-41
|
We also deliver fluoroplastic heat exchangers. These heat exchangers are made of fluoroplastics such as PTFE, FEP an PFA. Fluoroplastics are fully resistant against corrosive liquids and have very good non-stick properties. This means there is no building up of pollution and it reduces fouling and scaling. Fluoroplastics are pure and contain no softeners or plasticisers and are therefore very suitable for handling ultra-high-pure (UHP) applications in the semi-conductor industry.
All types of fluoroplastic heat exchanger units feature a proven unique honeycomb structure. The tubes are integrated in the pipe sheet which provides a lightweight compact bundle design. This ensures a leak free flow of the process liquids. PFTE heat exchangers are almost maintenance free and have a very long lifetime.
Shell & tube heat exchangers
Shell and Tube heat exchangers are single pass, typically countercurrent flow units designed for heating, cooling and condensing applications. Units incorporate flexible fluoropolymer tube bundles joined together to form integral honeycomb tube sheets and are available with FEP or Q-Series tubing with PTFE lined heads. Standard shell construction is carbon steel. Other shell materials available on request. The heat exchangers are ASME coded and equipped with nozzles according to ANSI or DIN. For a better heat transfer performance the heat exchangers can be equipped with PFA/Graphite tubes (Q-series).
Coil
Coils are widely used in the metal finishing and chemical processing industries, and are especially suited to batch and continuous steel pickling applications. The inherent non-stick characteristics of PTFE resist corrosion and fouling, extend heat exchanger service life, and improve value-in-use through savings in plant maintenance costs.
Tube bundle
Tube bundle heat exchangers are used for heating and cooling of corrosive fluids in a wide range of processes and applications. The well-known non-stick characteristics of fluoropolymer resist corrosion and reduce fouling. Reactor Coils are designed for immersion directly into the process vessel, and are most efficient when agitated in the process solution. During agitation, the flexing action of the coils helps reduce fouling and dislodges deposits that may have formed. This and other unique design features make the Reactor Coil ideal for crystallizer applications.
Minicoils
Minicoils heat exchangers fully made of fluoroplastics are suitable for small pickling baths. The inherently high electrical resistance also helps prevent short circuits and stray currents in plating baths.
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