Industrial Electric Process Heaters & Circulation Systems Warren Electric Corporation / Warren Electric

Warren Electric Corporation / Warren Electric industrial process circulation heaters, flanged immersion heaters, and ASME Section VIII pressure vessels. Global engineering equipment supply.

Industrial Process Circulation Heaters

Warren Electric circulation heaters heat process fluids and gases at pressures up to 1500 PSIG. The packaged heating vessels deliver ratings up to 800 kW with standard ANSI flanged connections. Units feature robust calcium silicate thermal insulation and protective jackets.

Circulation heater systems from 0.5 to 800 kW
Water, chemical solutions, process oils & gases
Pressures up to 1500 PSIG, ANSI flanges up to 24"
Heating element bundles, gaskets & vessel casings

Industrial Flanged Immersion Heaters

Warren Electric flanged immersion heaters provide direct heating for tanks and pressure vessels. Built with standard ANSI flanges from 2 to 24 inches, they operate at pressures up to 1500 PSIG. Sheath materials include Incoloy, Inconel, copper, and stainless steel.

ANSI flanges 2" to 24", capacities up to 800 kW
Process water, thermal oils, chemical tanks & vats
Ratings up to 1500 PSIG, supply voltages to 600V
Replacement element bundles, thermowells & gaskets

Screw Plug Immersion Process Heaters

Screw plug immersion heaters install directly into tank walls or pipe couplings via NPT threads. Warren Electric manufactures fittings up to 4 inches NPT in brass, bronze, steel, and stainless steel. Units deliver up to 100 kW with operating pressures up to 300 PSIG.

Screw plug fittings 1" to 4" NPT, ratings to 100 kW
Process water, freeze protection & lube oil sumps
Operating pressure to 300 PSIG, NEMA terminal boxes
Replacement screw plugs, tubular elements & O-rings

Over-the-Side Tank Immersion Heaters

Over-the-side immersion heaters insert through the top of open tanks, drums, and process vessels. They eliminate through-the-wall penetrations in chemical etching and plating applications. Units feature custom leg heights, bottom-mount profiles, and corrosion-resistant sheaths.

L-shaped and bottom-mount over-the-side profiles
Electroplating tanks, chemical rinses & drum heating
Customized immersion depths and support mounting legs
Replaceable heating elements, brackets & power leads

Custom Pressure Vessels & Casing Assemblies

Warren Electric manufactures custom circulation casings and pressure vessels to exact project criteria. Fabricated according to ASME Section VIII requirements, vessels carry National Board registrations. Chambers ship fully assembled with heaters, insulation, and steel jackets.

Welded and seamless vessels per ASME Section VIII
Circulation heating loops & fluid holding tanks
National Board registered, ratings up to 1500 PSIG
Flanged vessel covers, nozzles, gaskets & stud sets

Temperature Sensors, Thermocouples & Controls

Warren Electric temperature monitoring components deliver dependable thermal control across process systems. The range includes Type J and K thermocouples alongside precision platinum RTD sensors. Industrial adjustable bulb thermostats withstand heavy vibrations and ambient dust.

Type J & K thermocouples, platinum RTD Pt100 sensors
Furnaces, thermal transfer loops & chemical reactors
Extended temperature ranges, NEMA 4 & 7 enclosures
Capillary bulb units, protective thermowells & blocks

Heavy Fuel Oil, Bunker & Asphalt Heaters

Warren Electric fuel oil preheaters condition Bunker C, heavy oils, and asphalt prior to combustion or pumping. Units operate at low watt densities to eliminate fluid degradation and carbon coking on element sheaths. They serve power plants, marine vessels, and asphalt terminals.

Fuel oil suction and circulation heating assemblies
Bunker C, heavy fuel oils, asphalt & viscous crude
Low watt density design prevents fluid overheating
Modular heating cores, flange seals & nozzle fittings

Custom Engineered Electric Process Heaters

Warren Electric designs custom process heaters tailored to unique chemical and mechanical requirements. Engineers fabricate specialized bundle geometries, custom flange shapes, and explosion-proof NEMA terminal boxes. Each assembly undergoes rigorous dielectric and pressure testing.

Tailored heating assemblies built to client schematics
Aggressive chemicals, high-purity gases & extreme fluids
NEMA 7/9 explosion-proof ratings, full ASME hydrostatic tests
Custom terminal enclosures, mounting hardware & elements

Engineering Circulation Systems and Pressure Vessels for Heavy Industrial Loads

Engineered fabrication compliant with ASME Section VIII guarantees mechanical integrity under cyclic thermal expansion in petrochemical and power processing facilities.

Corrosion-Resistant Sheath Metallurgy for Demanding Process Environments

Selection of appropriate heating element sheath alloys ensures long service life in deionized water, hydrocarbons, and aggressive gas streams. Engineers evaluate Incoloy 800, Inconel 600, stainless steels 304/316, and copper to balance watt density against fluid film temperatures.

Warren Electric Corporation / Warren Electric and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Warren Electric Corporation / Warren Electric and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.