Continuous circulation heater
3 - 36 kW Durex Industries

Durex Industries, a long-time industry leader in electric heaters and temperature sensors, announces an expanded line of process fluid circulation heaters, designed for hydraulic cylinder and actuator compatibility.

These Durex circulation heaters feature all-welded construction of the steel shroud and flanges, hydrostatically pressure-tested ports, heavy-duty metal-sheathed heating elements of Incoloy or steel, galvanized or carbon steel containment pipe, NEMA1 terminal housings, bulb & capillary thermostats or solid-state controls, plus up to a 150-lb. forged steel flange with bolt construction connecting the terminal housing and containment vessel.

Optional Features
Weather Proof Insulated Shroud
All Stainless Steel Construction
ASME Section 8 Construction on Vessel
High Pressure Construction
High Temperature Ceramic Fiber Insulation
Passivation on all Wetted Surfaces
Other Sheath Materials: Carpenter 20, Model 400, Inconel 600, Hastelloy, and Titanium

Applications Factors
Heater selection is influenced by the following parameters:
The Heated Medium, Viscosity, Specific Heat, Density and Corrosive Properties
The Presence of Contaminants in the Medium
The Corrosion Resistant Properties of the Heated Medium
The Sheath Watt Density of the Heating Elements (the watts/in²) and the Flow Rate of the Heated Medium
The Vessel Design and Materials of Construction
Times, Temperature, and Pressure