Watlow's circulation heaters are compact heating systems for fluids and gases. These heaters are ideal for applications such as purified and inert gases, supercritical fluids and liquids like de-ionized water for use in semiconductor and electronics industries as well as for general liquid and gas heating applications.
Circulation Heaters
| Product | Material | Maximum Operating Temperatures | Maximum Watt Densities | |||
|---|---|---|---|---|---|---|
| °F | °C | W/in2 | W/cm2 | |||
 |
OPTIMAX® Heat Exchanger | Austenitic Stainless – 304/304L, 316/316L, 321 | 1200 | 650 | 0 | 0 |
| Duplex Stainless – 2205, 2507 | 1400 | 760 | 0 | 0 | ||
| Nickel-Iron-Chromium - 800, 825, 840 | 1800 | 982 | 0 | 0 | ||
| Nickel-Chromium-Iron – 600 | 1700 | 926 | 0 | 0 | ||
| Nickel-Chromium-Iron-Cobalt - 625 | 1800 | 982 | 0 | 0 | ||
| Nickel-Molybdenum-Chromium - C-276 | 1400 | 760 | 0 | 0 | ||
 |
STARFLOW™ Circulation Heaters | 316L Stainless steel | 1000 | 537 | 30 | 4.6 |
 |
WATROD and FIREBAR Circulation Heaters | Alloy 800/840 | 1600 | 870 | 120 | 18.6 |
| 316 Stainless steel | 1200 | 650 | 120 | 18.6 | ||
| Steel | 750 | 400 | 120 | 18.6 | ||
| N/A | 350 | 175 | 120 | 18.6 | ||