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National Stock Number:
4520-01-170-2414
Federal Supply Class:
4520
National Item Identification Number:
011702414
Description:
HEATER,DUCT TYPE,STATIONARY
Detail:
A DEVICE CAPABLE OF PRODUCING HEAT FROM GAS, LIQUID FUEL, OR AN ELECTRICAL HEATING ELEMENT DESIGNED FOR PERMANENT INSTALLATION IN SHEET METAL DUCTS OF A FORCED AIR CIRCULATING SYSTEM. IT CONSISTS OF (1) A FINNED, STEEL BURNER TUBE, A COMBUSTION AIR BLOWER, A CONTROL PANEL, AND A CONSTANT LEVEL FUEL SUPPLY SYSTEM OR (2) A DEVICE HAVING A HEATING ELEMENT WHICH WHEN CONNECTED TO AN ELECTRICAL SOURCE, DIRECTLY IMPARTS HEAT. IT MAY BE PROVIDED WITH A FLANGED OUTER CASING TO FACILITATE MOUNTING IN PLANNED OR EXISTING DUCT WORK. CIRCULATION OF THE HEATED AIR IS ACHIEVED BY USE OF A BLOWER OR FAN NOT INTEGRAL WITH THE HEATING UNIT.
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Manufacturer Information:
| 25EHM | 17032 | VALAD ELECTRIC HEATING CORP. | | 79-032 | 17032 | VALAD ELECTRIC HEATING CORP. | | TFZ-25M-NM | 74924 | INDEECO LLC | | M22594-25M NM | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-H-22594 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 79-0320 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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Techincal Specification:
| CURRENT RATING IN AMPS | 13.0 | | CURRENT TYPE | AC | | DEPTH | 9.250 INCHES NOMINAL | | FREQUENCY IN HERTZ | 50.0 OR 60.0 | | HEAT DELIVERY RATE | 19516.6 BRITISH THERMAL UNIT | | HEAT MEDIUM TYPE | AIR | | HEATING ELEMENT TYPE | ELECTRIC NONIMMERSION | | HEIGHT | 8.000 INCHES NOMINAL | | INCLOSURE MATERIAL | STEEL CORROSION RESISTING | | PHASE | THREE | | MOUNTING TYPE | VENTILATION DUCT | | NONDEFINITIVE SPEC/STD DATA | 25EH SIZE AND M TYPE | | SPECIAL FEATURES | NON-MAGNETIC | | VOLTAGE IN VOLTS | 440.0 | | WIDTH | 20.000 INCHES NOMINAL |
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