ATEX Explosion-Proof Electric Air Heaters Type FE1
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Technical Data
Available on backorder
Description
FE1 heaters are ATEX Approved to Directive 94/9/EC for use in hazardous locations. They are designed for dry indoor industrial applications such as oil refineries, petrochemical plants, pulp and paper mills, hazardous waste storage facilities, wastewater treatment plants, etc., where specific explosive gases or dusts maybe present.
The induced vacuum within the sealed core provides greater efficiency, even distribution of heat across the face of the exchanger, and a faster warm-up. When necessary, the entire core can be safely and easily replaced with a new or factory reconditioned exchange unit.
The heater core assembly is contained in a sturdy, epoxycoated. A steel cabinet which also carries the motor and fan assembly. Adjustable louvres allow directional control of the airflow. A narrow gap, two-piece fan guard is provided to shield all moving parts. All fasteners are zinc plated for corrosion protection.
General Specifications for all FE1 Models
| Approvals | ATEX Approved (Directive 94/9/EC) |
| Hazardous Location Classifications | II 2 G, EEx d IIA & IIB T3 Zones 1 & 2 |
| Enclosures | For indoor use only. Do not immerse in water. Do not store or use in areas exposed to rain or snow. |
| Motor Type | Explosion-proof. Thermally protected. Permanently lubricated ball bearings. |
| Fan | Aluminum blades with steel spider and hub, 15.9 mm bore. |
| Fan Guard | Split design with close wire spacing. 6.3 mm diameter probe will not enter. |
| Mounting Holes | Two 14.3 mm diameter holes at top of heater. |
| Heating Element s | Three long-life, low watt-density , high grade metal-sheathed element s. |
| Temperature High-Limit | Automatic reset type, snap-action bimetal, open on temperature rise. Rated 100,000 cycles at 10 amps. |
| Control Circuit | 120 Volts, 0.128 amps, 15VA. (Grounded) |
| Optional Built-in Thermostat | Flame-proof. 2°C to 28°C. |
| Control Transformer | Multiple primary, 120 volts secondary, 25 VA. |
| Contactor | 40 or 75 amp. Rated for 500,000 mechanical operations. 120 Volts, 15 VA coil (separately fuse-protected). |
| Heat Transfer Fluid | Long-life formulated ethylene glycol and water , freeze protected to -45 C. |
| Cabinet Material | 1.90 mm Steel. Epoxy coated with five-stage pretreatment, including iron phosphate. |
| Core | Core steel with integral aluminum fins, vacuum charged and sealed. |
| Conduit Material | Heavy wall, 3.1 mm steel. |
| Overpressure Protection | 14 Barg pressure relief valve, aluminum body, no serviceable parts. |
| Operational Temperature Limitations | -20°C to 40°C |
| Storage Limitations | -45°C to 80°C, short term to 150 C maximum 16 hours continuous. Do not immerse in water. Do not store or use in areas exposed to rain or snow. |
Performance Data for FE1 Models
| NOMINAL WATTAGE (kW) | MODEL | VOLTAGE | PHASE | TOTAL CURRENT (A) | AIR TEMPERATURE RISE oC |
|---|---|---|---|---|---|
| 2.5 | FE1-220150-025 | 220 | 1 | 11.4 | 11.0 |
| 4.2 | FE1-220150-042 | 220 | 1 | 19.1 | 18.4 |
| 6.3 | FE1-220150-063 | 220 | 1 | 28.6 | 15.8 |
| 8.4 | FE1-220150-084 | 220 | 1 | 38.2 | 21.1 |
| 12.6 | FE1-220150-126 | 220 | 1 | 57.3 | 15.3 |
| 2.8 | FE1-230150-028 | 230 | 1 | 12.0 | 12.1 |
| 4.6 | FE1-230150-046 | 230 | 1 | 20.0 | 20.1 |
| 6.9 | FE1-230150-069 | 230 | 1 | 29.9 | 17.3 |
| 9.2 | FE1-230150-092 | 230 | 1 | 40.0 | 23.1 |
| 13.8 | FE1-230150-138 | 230 | 1 | 59.9 | 16.7 |
| 3.0 | FE1-240150-030 | 240 | 1 | 12.4 | 13.1 |
| 5.0 | FE1-240150-050 | 240 | 1 | 20.8 | 21.9 |
| 7.5 | FE1-240150-075 | 240 | 1 | 31.2 | 18.8 |
| 10.0 | FE1-240150-100 | 240 | 1 | 41.6 | 25.1 |
| 15.0 | FE1-240150-150 | 240 | 1 | 62.5 | 18.2 |
| 2.5 | FE1-380350-025 | 380 | 3 | 3.8 | 11.0 |
| 4.2 | FE1-380350-042 | 380 | 3 | 6.4 | 18.4 |
| 6.3 | FE1-380350-063 | 380 | 3 | 9.6 | 15.8 |
| 8.4 | FE1-380350-084 | 380 | 3 | 12.8 | 21.1 |
| 12.5 | FE1-380350-125 | 380 | 3 | 19.0 | 15.1 |
| 16.7 | FE1-380350-167 | 380 | 3 | 25.4 | 20.2 |
| 20.9 | FE1-380350-209 | 380 | 3 | 31.8 | 12.2 |
| 2.8 | FE1-400350-028 | 400 | 3 | 4.1 | 11.7 |
| 4.6 | FE1-400350-046 | 400 | 3 | 6.6 | 19.6 |
| 6.9 | FE1-400350-069 | 400 | 3 | 10.0 | 17.2 |
| 9.3 | FE1-400350-093 | 400 | 3 | 13.4 | 22.9 |
| 13.9 | FE1-400350-139 | 400 | 3 | 20.1 | 16.7 |
| 18.5 | FE1-400350-185 | 400 | 3 | 26.7 | 22.3 |
| 23.1 | FE1-400350-231 | 400 | 3 | 33.3 | 13.6 |
| 3.7 | FE1-415350-037 | 415 | 3 | 5.1 | 16.2 |
| 7.5 | FE1-415350-075 | 415 | 3 | 10.4 | 18.8 |
| 14.9 | FE1-415350-149 | 415 | 3 | 20.7 | 18.0 |
| 22.4 | FE1-415350-224 | 415 | 3 | 31.2 | 13.1 |
To order a heater with a built-in room thermostat, add a “T” suffix to model number. All units rated 50 HZ.
Available at SESCO with all parts and accessories. See attached brochure above for details. Contact us for inquiries.
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