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EXH Series Explosionproof Electric Heater

EXH Series Explosionproof Electric Heater
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EXH Series Explosionproof Electric Heater - 1

3A EXH Series Explosionproof Electric Air Heaters Cl. I, Div. 1 & 2, Groups C, D Explosionproof Cl. II, Div. 1, Groups E, F, G Dust-Ignitionproof Cl. II, Div. 2, Groups F, G NEMA 7CD, 9EFG Applications: EXH explosionproof electric heaters are used: • In areas made hazardous by the presence of flammable gases and vapors, and combustible dusts • For rugged locations including: oil refineries, petrochemical plants, rigs, pumping stations, turbine compressors, pulp and paper mills, coal mines, grain elevators, etc. • In areas where flammable vapors or gases or highly combustible dusts may be present due to accidental or abnormal conditions • For standby heat to prevent process heat loss, or for personnel comfort during maintenance/repair operations Features: • Split fan guard for easy access to fan • Compact design makes handling during installation easy • Evacuated cores heat up quickly with even heat distribution • Larger models offer greater kilowatt range providing more economical means to heat large areas • Permanently sealed cores improve reliability and make field servicing easier • Control box provides easy access for installation and maintenance Certifications and Compliances: • Class I, Division 1 & 2, Groups C, D • Class II, Division 1, Groups E, F, G • Class II, Division 2, Groups F, G • NEMA: 7CD, 9EFG • UL Standard: 823 • CSA Standard: C22.2 Nos. 25, 30, 46 Standard Materials and Finishes: • Fan - Aluminum blade; steel spider and hub with 5/8 in. (15.875 mm.) bore • Core - Steel with integral aluminum fins, vacuum charged and hermetically sealed • Heating Elements - Three long life, low watt-density, high grade metal sheathed elements • Heat Transfer Fluid - Long life formulated ethylene glycol and water, freeze protected to -49°F (-45°C) • Cabinet Material - 14 gauge (0.075 in.) (1.90 mm) steel; epoxy coated with 5 stage pre-treatment including iron phosphate • Conduit Material - Heavy walled, 0.122 in (3.1 mm.) steel cadmium plated Heater shown has optional built-in thermostat. Options: The following special options are available: Description Suffix Accessories: • Basic mounting kit - suitable for applications where the support arm can be bolted or welded directly to structural steel or concrete. Cat. # BMK-EXH5 (insert fan size: 12, 16 or 20) • Wall mounting kit - suitable for mounting on Z sections. Cat. # WMK-EXH5 (insert fan size: 12, 16 or 20) • Hanging mounting kit - simple and economical if adequate overhead structure exists. Requires V211 pipe, cut and threaded — not supplied. Cat. # HMK-EXH5 • Swivel hanging mount kit - swivels 360°. Requires V2" pipe, cut and threaded - not supplied. Cat. # SHMK-EXH5 (insert fan size: 12, 16 or 20) • Pipe mounting kit - useful in buildings with insufficient strength to use other types of mounts. requires 3" pipe. Cat. # PMKEXH5 (insert fan size: 12, 16 or 20) BMK Basic Mounting Kit SHMK Swivel Hanging HMK Hanging Mounting Kit Mounting Kit WMK Wall Mounting Kit 704 CAN: 1-800-265-0502 Copyright© 2013 Eaton’s Crouse-Hinds Business PMK Pipe Mounting Kit Crouse-Hinds

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EXH Series Explosionproof Electric Heater - 2

EXH Series Explosionproof Electric Air Heaters Cl. I, Div. 1 & 2, Groups C, D Explosionproof Cl. II, Div. 1, Groups E, F, G Dust-Ignitionproof Cl. II, Div. 2, Groups F, G NEMA 7CD, 9EFG Motor Type Explosionproof. Thermally protected. Permanently lubricated ball bearings. 1725 RPM. Fan Guard Split design with close wiring spacing. Vi in. (6.3mm.) probe will not enter. Heating Elements Three long-life, low watt-density, high grade metal-sheathed elements. Temperature High-Limit Automatic reset type, snap-action bimetal, open on temperature rise. Rated 100,000 cycles at 10 amps,...

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EXH Series Explosionproof Electric Heater - 3

3A EXH Series Explosionproof Electric Air Heaters Cl. I, Div. 1 & 2, Groups C, D Explosionproof Cl. II, Div. 1, Groups E, F, G Dust-Ignitionproof Cl. II, Div. 2, Groups F, G NEMA 7CD, 9EFG Ordering Information: Nominal Maximum Total Temperature Rise Heat Output Wattage (kW) Voltage Phase Cat. # Current (Amperes) °F °C BTU/Hr. Catalog Number Example:

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EXH Series Explosionproof Electric Heater
3Pages