FE1 - Explosion-Proof Electric Air Heater

The Ruffneck™ FE1 Explosion-Proof Electric Air Heater is designed and manufactured for use in dry indoor industrial applications and hazardous locations where specific explosive gases or dusts may be present, such as oil refineries, petrochemical plants, pulp and paper mills, hazardous waste storage facilities and wastewater treatment plants.

All FE1 heaters utilize the VacuCore® liquid-to-air heat exchanger, which provides greater efficiency, faster warm-up and even heat distribution across the face of the exchanger. The entire core can be replaced easily and safely with a new core if required.

Features & Benefits At A Glance

• the heater core assembly is contained in a sturdy, epoxy-coated, 14-gauge steel cabinet, which also houses the motor and fan assembly
• adjustable louvers allow directional control of airflow
• aluminum fan blades with steel spider and hub
• narrow gap, two-piece fan guard provides safety against all moving parts
• zinc-plated fasteners for corrosion protection
• three long-life, low watt density, high grade metal-sheathed elements
• available in a range of wattages, from 2.5 kW to 23.1 kW
• optional built in thermostat
• standard metric field connection
• CE/ATEX and GOST approved for global markets

CF1 - ProVector® Explosion-Proof Convection Heater

Designed and manufactured specifically for demanding requirements and harsh operating conditions such as those in the oil and gas well drilling industry, the Ruffneck™ CF1 ProVector® Explosion-Proof Convection Heater offers the most reliable, dependable and trouble-free service available for heating hazardous locations.

Features & Benefits At A Glance

• sloped-top cabinet prevents objects that restrict airflow from being set on top
• no exposed copper or brass, limiting corrosion and making the unit suitable for H₂S environments
• high-velocity airflow generates heat faster and delivers better heat distribution
• 14-gauge steel cabinet (also available in stainless steel) offers rugged reliability and unsurpassed corrosion resistance
• shorter than average cabinet length saves wall and floor space
• optional built in thermostat reduces field installation costs
• incoloy 840 heating elements offer longer life expectancy
• radial-embossed aluminum plate fins reduce fin warping for better heat transfer performance
• galvanized steel mounting brackets for easy installation and removal
• available in a range of wattages, from 0.75 kW to 7.6 kW
• Group IIA, IIB & IIC CE/ATEX approved

CX1 - ProVector® Explosion-Proof Convection Heater

Designed and manufactured specifically for demanding requirements and harsh operating conditions such as those in the oil and gas well drilling industry, the Ruffneck™ CX1 ProVector® Explosion-Proof Convection Heater offers the most reliable, dependable and trouble-free service available for heating hazardous locations.

Features & Benefits At A Glance

• sloped-top cabinet prevents objects that restrict airflow from being set on top
• no exposed copper or brass, limiting corrosion and making the unit suitable for H₂S environments
• high-velocity airflow generates heat faster and delivers better heat distribution
• 14-gauge steel cabinet (also available in stainless steel) offers rugged reliability and unsurpassed corrosion resistance
• shorter than average cabinet length saves wall and floor space
• optional built in thermostat reduces field installation costs
• incoloy 840 heating elements offer longer life expectancy
• radial-embossed aluminum plate fins reduce fin warping for better heat transfer performance
• galvanized steel mounting brackets for easy installation and removal
• a range of wattages available, from 1.2 kW to 7.6 kW
• Group A, B, C, D approved; UL listed

EFX - Explosion-Proof Exhaust Fan

Specifically designed for both hazardous and general purpose industrial applications, the Ruffneck™ EFX Explosion-Proof Exhaust Fan is built for safety and durability. A number of optional features are available for customization to the unique needs of customers, including Heresite® coating on all non-motor components, backdraft dampers and rain hoods.

Features & Benefits At A Glance

• ships fully assembled for easy installation
• explosion-proof motors are CSA approved and/or UL listed
• spark resistant aluminum fan blades for hazardous locations
• epoxy-coated steel construction
• fan guards conform to OSHA specifications
• all motors come complete with electrical junction box

FX5 - Explosion-Proof Electric Air Unit Heater

UL-certified for use in hazardous locations where explosive gases or dusts may be present, and designed for the harshest industrial environments, the Ruffneck™ FX5 Explosion-Proof Electric Air Unit Heater is intended for dry indoor industrial applications such as oil refineries, petrochemical plants, pulp and paper mills, grain elevators, hazardous waste storage facilities, wastewater treatment plants and more.

Features & Benefits At A Glance

• the heater core assembly is contained in a sturdy, epoxy-coated, 14-gauge steel cabinet (optional Heresite® coating and stainless steel construction for corrosive environments available), which also houses the motor and fan assembly
• adjustable louvres allow directional control of airflow
• stainless steel cabinet construction available for harsh corrosive applications
• narrow gap, two-piece fan guard provides safety against all moving parts
• automatic reset bimetal high-limit; secondary ambient high-limit for added safety
• available in a range of wattages, from 3 kW to 35 kW
• approved for the following Hazardous Locations Classifications: Class I, Divisions 1 & 2, Groups C & D; Class II, Divisions 1 & 2, Groups E, F & G; Class I, Zones 1 & 2, Groups IIA & IIB; Temperature code T3B 165°C (329°F)

FX4 - Explosion-Proof Electric Air Unit Heater

Certified for use in hazardous locations, the Ruffneck™ FX4 Explosion-Proof Electric Air Unit Heater is designed for dry indoor industrial environments such as oil refineries, petrochemical plants, pulp and paper mills, grain elevators, hazardous waste storage facilities, wastewater treatment plants and more. This heater is ideal for areas where explosive gases or dusts may be present.

All FX4 heaters utilize the VacuCore® liquid-to-air heat exchanger. The induced vacuum within the sealed core provides greater efficiency, faster warm-up and even heat distribution across the face of the exchanger. The entire core can be removed through the bottom cabinet of the heater and replaced easily and safely with a new core if required.

Features & Benefits At A Glance

• the heater core assembly is contained in a sturdy, epoxy-coated, 14-gauge steel cabinet (optional Heresite® coating for corrosive environments available), which also houses the motor and fan assembly
• adjustable louvres allow directional control of airflow
• narrow gap, two-piece fan guard provides safety against all moving parts
• convenient terminals for room thermostat connection
• automatic reset bimetal high-limit
• high grade metal-sheathed immersion-type heating elements
• available in a range of wattages, from 3 kW to 35 kW
• approved for the following Hazardous Locations Classifications: Class I, Divisions 1 & 2, Groups C & D; Class II, Divisions 1 & 2, Groups E, F & G; Class I, Zones 1 & 2, Groups IIA & IIB; Temperature code T3B 165°C (329°F)

CR1 - Triton™ Corrosion-Resistant Unit Heater

Ruffneck™ CR1 Triton™ Unit Heaters are NEMA 4X corrosion-resistant washdown heaters, suitable for non-hazardous locations and applications using water pressure of less than 70 psi.

Features & Benefits At A Glance

• NEMA Type 4X construction for increased safety and protection against water penetration
• epoxy-coated fan blade and 16-gauge stainless steel cabinet for increased corrosion resistance
• custom configured stainless steel elements for improved heat distribution and corrosion protection
• available in a range of wattages, from 3 kW to 39 kW
• optional built-in accessories for flexibility and reduced field installation costs
• stainless steel wall/ceiling mounting kit for flexible mounting options, which allow the heater to be mounted to a maximum of 30° from vertical
• stainless steel temperature high-limit for increased safety and reliability
• UL listed for coast guard and marine applications

CRE1 - Triton™ Corrosion-Resistant Unit Heater (European Certification)

Ruffneck™ CRE1 Triton™ Unit Heaters are IP55 rated corrosion-resistant washdown heaters suitable for washdown applications in non-hazardous locations that use water pressure of less than 482 kPa.

Features & Benefits At A Glance

• IP55 enclosure for increased safety and protection against water penetration
• epoxy-coated fan blade and 16-gauge stainless steel cabinet for increased corrosion resistance
• custom configured stainless steel spiral-finned heating elements for improved heat distribution and corrosion protection
• high velocity airflow
• available in a range of wattages, from 2.5 kW to 40 kW
• optional built-in accessories for flexibility and reduced field installation costs
• stainless steel wall/ceiling mounting kit for flexible mounting options, which allow the heater to be mounted to a maximum of 30° from vertical
• stainless steel temperature high-limit for increased safety and reliability
• 120 volt controls for better contactor pull-in reliability
• CE approved for global markets

RXDF - Explosion-Proof Duct Heater

Ruffneck™ RXDF duct heaters are designed for heating air or gases in hazardous environments where potentially explosive substances are present, such as oil refineries, coal mines, petrochemical plants and sewage treatment plants. They use heavy walled carbon steel finned tubular (Calrod® Type)* elements with nickel plated finish to provide safe, efficient, low temperature heat transfer.

Features & Benefits At A Glance

• standard units provide painted steel duct with mounting holes for attachment to the duct section
• patented x-Max® terminal housing for easy access to wiring terminal connection
• approved for mounting in horizontal duct section
• available in three sizes, with either a single or double bank of heating modules
• available with T2D, T3A or T3B hazardous area temperature codes
• available in wattages up to 50kW
• differential pressure switch
• factory-installed high limit sensing thermocouples
• optional features include transition sections, stainless steel duct section, mechanical temperature control, special temperature code, outlet air thermostat and outlet air thermocouple

AH - Advanced Horizontal Unit Heater

Ruffneck™ AH Series Advanced Horizontal Unit Heaters are designed for rugged industrial applications and can be used with a variety of heat transfer fluids such as steam, circulating hot water, and glycol heating systems or in liquid cooling applications, including flash stream condensers, lube oil coolers, pump seal coolers and more. They are available in 37 models, from 6,000 to 1,200,000 BTU/hour. Explosion-proof models suitable for hazardous locations are also available on custom order.

Features & Benefits At A Glance

• 1½" NPT male inlet and outlet connections for reduced costs and easy installation; other connections available (check factory for availability)
• bolt-together cabinet offers easy, convenient maintenance and cleaning without disturbing the mounting arrangement or electrical connections
• heavy gauge embossed, high performance fan blade for long life and improved air flow
• epoxy powder coated, split fan guard for safety and easy replacement
• UL-listed and/or CSA-approved motors
• maximum operating pressure of 450 psi and maximum operating temperature of 650°F
• extruded aluminum louvers provide two-way directional control of discharge air
• optional Heresite® coating available for demanding corrosive environments

AV - Advanced Vertical Unit Heater

Ruffneck™ AV Series Advanced Vertical Throw Unit Heaters are designed for rugged industrial applications meeting the most demanding service and long life requirements. While perfect for steam, circulating hot water or glycol heating systems, these heaters are also suitable for a wide range of other heating fluids. In addition, they can be used for both space heating and liquid cooling applications. Explosion-proof models suitable for hazardous locations available on custom order.

Features & Benefits At A Glance

• 12 available models with CRN registered heat exchangers
• range of 6,000 to 1,200,000 BTU/hr
• maximum operating pressure and temperature rating of 450 psi and 650°F
• UL-listed and/or CSA-approved motors
• anodized extruded aluminum louver blades
• epoxy powder coated cabinet and nozzle; optional Heresite® coated or stainless steel cabinet available for demanding corrosive environments

HP - High Pressure Heat Exchanger Unit Heater

Ruffneck™ HP Heat Exchanger Unit Heaters are extra heavy duty (including heavy gauge steel construction) to meet the most demanding service and long life requirements for rugged industrial applications. The HP Series heaters are suitable for a wide range of heating fluids including steam, hot water, glycol, oil, etc. for both space heating and liquid cooling applications. Explosion-proof models suitable for hazardous locations available on custom order.

Features & Benefits At A Glance

• engineered for easy maintenance, all parts are easily removed; core is fully removable without disturbing heater mounting arrangement or electrical connections
• epoxy coated 14-gauge steel cabinet construction
• plated capscrew fasteners; no sheet metal screws used
• steel construction core with tension-wound, close fitting aluminum fins
• highly resistant to corrosive agents, including hydrogen sulphide
• pressure ratings based on a nominal, 5:1 safety factor; designed for pressures up to 400 psi; all units are 100% leak tested
• semicircular headers to withstand high operating pressures for steam or liquid service
• available in single-pass or multi-pass configurations (multi-pass for liquid service only)
• narrow-gap, epoxy coated fan guard
• available in a range of btu ratings
• optional Heresite® coating on core and/or cabinet for severe corrosive environments
• UL-listed and/or CSA-approved motors available in 8 voltages, 2 phases and 2 frequencies
• all models are Canadian CRN approved

FR - Frost Resistant Heat Exchanger Unit Heater

Ruffneck™ FR Heat Exchanger Unit Heaters are extra heavy duty (including heavy gauge steel construction) to meet the most demanding service and long life requirements for rugged industrial applications. The FR Series heaters are specifically designed for steam applications that may be subject to freezing conditions, and are of particular value for outdoor applications such as drilling rigs. They gain their resistance to frost damage through the use of rectangular top and bottom headers. Explosion-proof models suitable for hazardous locations available on custom order.

Features & Benefits At A Glance

• engineered for easy maintenance, all parts are easily removed; core is fully removable without disturbing heater mounting arrangement or electrical connections
• epoxy coated 14-gauge steel cabinet construction
• plated capscrew fasteners; no sheet metal screws used
• steel construction core with tension-wound, close fitting aluminum fins
• highly resistant to corrosive agents, including hydrogen sulphide
• pressure ratings based on a nominal, 5:1 safety factor; designed for pressures up to 100 psi; all units are 100% leak tested
• rectangular top and bottom headers distort to a circular shape during accidental freeze-up without serious damage
• available in a single-pass configuration, best suited to steam and high flow rate liquid applications
• narrow-gap, epoxy coated fan guard
• available in a range of btu ratings
• optional Heresite® coating on core and/or cabinet for severe corrosive environments
• UL-listed/CSA-approved motors available in 8 voltages, 2 phases and 2 frequencies
• all models are Canadian CRN approved

RGX - Heavy Duty Unit Heater

Ruffneck™ RGX Heavy Duty Unit Heaters are specifically engineered for heavy duty use in industrial environments, such as mine shafts, pulp & paper mills, hoist houses, welding shops, maintenance shops, sewage treatment plants, chemical plants and more. The heavy duty construction of this heater will reduce the downtime and maintenance costs associated with standard design heaters.

Please note that in Canada, these units are marketed under the Caloritech™ brand name. If you are a Canadian customer, please refer to the Caloritech™ GX Heavy Duty Unit Heater.