Explosion-Proof Heaters

Explosion-Proof Heater Manufacturers

Modine

Ouellet
Featured Explosion-Proof Heaters

Modine - Explosion-Proof Electric Unit Heater
Modine's HEX Series explosion-proof electric unit heaters are designed for hazardous industrial locations where the potential for explosion exists due to the presence of flammable gases, vapors, powdered metals, or dust. These heaters are UL-listed for specific hazardous environments, ensuring safety and reliability.
Features
UL Certification for Hazardous Locations
UL-listed for Class I, Divisions 1 & 2, Groups C & D; Class II, Division 1, Groups E, F, and G; and Class II, Division 2, Groups F and G, ensuring compliance with safety standards in explosive environments.
Durable Heat Exchanger Core
Features a liquid-to-air, finned tube heat exchanger core that can be removed from the bottom for ease of service.
Freeze Protection
Utilizes an ethylene glycol water mixture as the heat-transfer fluid in the heater core, providing freeze damage protection down to -49°F (-45°C).
Explosion-Proof Motor
Equipped with a thermally protected, automatic reset, explosion-proof motor-driven fan that moves air across finned tubes for even heat distribution.
Robust Enclosure
NEMA Type 7 & 9 enclosure with a large heavy-duty aluminum data plate houses crucial components for added protection.
Over-Temperature Protection
Includes an automatically resetting, bimetal high-limit switch rated for 100,000 cycles of service, providing over-temperature protection.
Over-Pressure Safety
Incorporates a pressure relief valve for over-pressure protection.
Sturdy Cabinet
Epoxy-coated, 14-gauge steel cabinet contains the heater core, motor, and fan assembly, ensuring durability.
Safety Guard
Narrow-gap, two-piece fan-guard shields all moving parts, enhancing safety during operation.
Adjustable Airflow
Adjustable extruded aluminum louvers allow directional control of the airflow to suit specific heating requirements.
Secure Wiring
Factory-wired motor connection with copper conductor wires enclosed in steel conduits carry all electrical power safely.
Specifications
Heat Output Range
Available in 26 model combinations, with 9 sizes ranging from 3 kW to 35 kW.
Mounting Options
Offers various mounting kits, including hanging, wall, and basic mounting options, providing flexibility for different installation requirements.
Optional Accessories
Factory-installed explosion-proof thermostat available for precise temperature control.
Warranty
Documents

Ouellet - Explosion-Proof Unit Heater
The OHX series explosion-proof unit heaters are engineered for hazardous industrial environments where flammable gases, vapors, or dusts are present. These rugged heaters feature multiple safety mechanisms and meet stringent certifications for explosive atmospheres.
Features
Hazardous Location Certification
Class I Div 1/2 (Groups C/D) and Class II Div 1/2 (Groups F/G) compliant with T3B/T3A temperature codes.
Safety Systems
Dual high-limit temperature controls (auto/manual reset) and stainless steel pressure relief device.
Mounting Flexibility
Multiple kit options for wall, ceiling, or pipe mounting configurations.
Specifications
Power Range
3-35kW models available for different space requirements.
Applications
Paint storage, petrochemical plants, refineries, and mining facilities.
International Standards
ATEX/IECEx approved (AHX models) for Zone 1/2 hazardous areas.
Warranty
Documents

Ouellet - Explosion-proof Sloped Top Convector Heater
Explosion-proof convectors with sloped tops prevent debris accumulation while meeting hazardous location certifications (e.g., Class I Div 1).
Features
Specifications
Warranty
Documents

Ouellet - Explosion-Proof Convection Heater
The XB series explosion-proof convection heaters are designed for hazardous locations where flammable gases, vapors, or dusts may be present. They feature protective grilles and optional built-in thermostats.
Features
Safety Design
Protective grille prevents accidental contact with heating elements.
Flexible Control
Optional built-in thermostat or compatible with wall thermostats.
Mounting
Vertical installation with included brackets.
Specifications
Certifications
Designed for Class I, Division 1 hazardous locations.
Heating Element
High-quality Incoloy® 800 element in OPXA models.
Warranty
Documents

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