The Series HX-350 (12 W/in2), HX-357 (20 W/in2) and HX-358 (50 W/in2) Heatrex circulation heaters are designed for heating mildly corrosive liquids or pure water solutions. This design may also be used for heating gases or liquids to high temperatures with optional thermostat and high temperature construction described in the Special Features section. These high quality Stainless Steel Heaters include the following standard features :
Incoloy sheathed .475" diameter heating elements
Insulated 304 stainless steel vessel with a galvanized jacket
NEMA Type 1 terminal enclosure
Built-on thermostat, 60-250°F range
Choice of mounting brackets or mounting pads
Flange heaters have class 150 stainless steel flanges which meet ANSI B16.5 standards