Typical applications

Reactor vessel heating

Jacketed vessel heating

Platen or Press heating

Tank heating

Suction heating

Heated molds or dies

Calendar roll heating

Ovens and fryers

Dryers

Autoclaves

In line liquid heating

In line gas heating

Indirect steam generators

Building heaters

Process reboilers

Due to its superior thermophysical properties, water is an ideal heat transfer medium. Closed loop liquid phase hot water or glycol solution systems are an excellent choice for indirect process heating up to approximately 300F. Because the water is used in a closed loop with no direct feedwater source, heaters are typically built to ASME Section VIII and do not require a licensed boiler operator.

Sigma Thermal offers two types of standard water and glycol solution heating system packages, as well as custom engineered packages. Contact one of our application engineers and let us help you decide which solution is right for your project.

  • HC-2

    This heater uses a high efficiency, three‐pass, double helical coil design. This three pass helical coil configuration cools flue gasses significantly before they contact the external shell, eliminating the need for internal shell insulation which reduces long term maintenance issues associated with internally insulated heater shells. read more »

  • HC-1

    This heater is a two‐pass, single helical coil design that offers sturdy reliability at a lower cost than the HC‐2. read more »

  • Engineered Water - Glycol Heaters

    Engineered water or glycol heaters can be custom designed by Sigma Thermal to meet unique specifications. Dirty fuels, bio‐mass fuels, and API‐560 requirements are all reasons to think about a custom engineered heater design. read more »